KR101233238B1 - Method for simultaneously transmitting data in heterogeneous network - Google Patents

Abstract

The present invention provides a simultaneous transmission service for dividing data for data transmission and reception and transmitting / receiving using a plurality of heterogeneous networks, wherein the transmitting apparatus has sequence information for each destination / traffic session corresponding to the divided partial data. A heterogeneous network-based data transmission service method is disclosed that can solve the disordering of partial data according to different latency between heterogeneous networks by allocating / integrating and transmitting partial data based on sequence information. In the heterogeneous network-based data transmission service method of the present invention, a transmitting apparatus divides transmission target data into two or more partial data, and the transmission apparatus corresponds to each partial data divided from the transmission target data, and thus destination information and partitioning are performed. If the sequence information according to at least one of the sequences is allocated, and each of the sequence information is included in the corresponding partial data to be transmitted through the corresponding specific network among two or more networks, the receiving device receives through the two or more networks. Based on the sequence information included in the partial data to be divided, two or more partial data divided from one transmission target data having the same destination information is divided, and the divided two or more partial data according to the division order based on the order information The two or more portions that are reordered by reordering It combines the data includes a configuration for generating the transmission subject data.

Description

Heterogeneous network-based data transmission service method {METHOD FOR SIMULTANEOUSLY TRANSMITTING DATA IN HETEROGENEOUS NETWORK}

The present invention relates to a heterogeneous network-based data simultaneous transmission service method, and more particularly, to provide a simultaneous transmission service for splitting data for data transmission and reception and transmitting / receiving using a plurality of heterogeneous networks. The device allocates / includes the sequence information for each destination / traffic session to the divided partial data and transmits it, and the receiving device combines the partial data based on the sequence information to solve the disordering of the partial data according to different latency between heterogeneous networks. A heterogeneous network-based data transmission service method, a method of operating a transmitter and a transmitter, and a method of operating a receiver and a receiver.

Recently, operators often provide services based on multiple wireless technologies at the same time. In Korea, major operators are building and servicing networks by introducing WCDMA, CDMA, WiBro and WLAN (WiFi) technology, which is the nearest wireless network. In addition, LTE (Long Term Evolution) network is actively being introduced recently.

The present method in which a terminal device uses a data service in a heterogeneous network environment in which a plurality of networks are mixed is a method in which a controllability of a provider is excluded by an access network selection method by directly changing a terminal device user It is a passive method when considering the position of the business operator.

Meanwhile, as various wireless devices such as smartphones and tablet PCs are increasing, data rates are getting cheaper, and various large data services are increasing at the same time, as network load rate of operators is rapidly increasing, network investment is excessively expended and service stability. The situation is being threatened.

Accordingly, there is a need for a new service method for efficiently selecting an access network of a terminal device according to the state of a network in a heterogeneous network environment where a plurality of networks are mixed and efficiently transmitting data using the selected network.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to achieve that the transmitting device divides the transmission target data into two or more partial data, and the transmission apparatus divides each partial data from the transmission target data. In response to this, if the sequence information according to at least one of the destination information and the division order is allocated, each of the allocated sequence information is included in the corresponding partial data and transmitted through the corresponding specific network among two or more networks, Based on the order information included in the partial data received through the two or more networks, the two or more partial data divided from one transmission target data having the same destination information is divided, and according to the division order based on the order information. Reorder two or more divided pieces of data The said two or more portions by combining the data provided by the heterogeneous network based on the data broadcast service method of generating the transmission subject data, and solving the disordering of the partial data according to the different latency between different types of networks.

The present invention has been made in view of the above circumstances, and another object to be achieved in the present invention is to divide the transmission target data into two or more partial data, and to receive the destination information and the corresponding partial data divided from the transmission target data. Partial data transmission step of allocating the sequence information according to at least one of the division order, including each assigned sequence information in the corresponding partial data, and transmitting the respective partial data through a corresponding specific network of two or more networks The present invention provides a transmitter and a method of operating the transmitter to solve disordering of partial data according to different latency between heterogeneous networks.

The present invention has been made in view of the above circumstances, and another object of the present invention is to receive partial data through two or more networks, and to at least one of destination information and division order included in the received partial data. According to the order information according to the divided two or more partial data divided from one transmission target data having the same destination information, and based on the order information contained in the divided two or more partial data, the divided according to the division order Reordering at least two partial data and combining the reordered at least two partial data to generate the transmission target data provides a method of operating a receiving device and the receiving device to provide different latency between heterogeneous networks. To solve the disordering of the partial data.

A transmission apparatus according to the first aspect of the present invention for achieving the above object, a multi-communication unit for supporting two or more network interfaces through two or more networks; A data division controller for dividing the transmission target data into two or more partial data; And an order information allocating unit including, for each of the two or more pieces of partial data divided from the data to be transmitted, order information including partial data identification information and division order.

Preferably, the partial data identification information may be destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a traffic session type corresponding to the destination.

A receiving apparatus according to a second aspect of the present invention for achieving the above object is a multi-supporting two or more network interfaces via two or more networks and receiving two or more partial data divided from the transmission target data through the two or more networks Communication unit; The two or more partial data including the same partial data identification information are classified based on the partial data identification information included in the two or more partial data received, and the division is performed based on the division order included in the divided two or more partial data. A data reordering unit for reordering the separated two or more pieces of partial data in order; And a data combiner configured to combine the reordered two or more pieces of partial data to generate the transmission target data.

Preferably, the partial data identification information is destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a type of traffic session corresponding to the destination, and the data The reordering unit may distinguish the same partial data from at least one of the destination access information and the destination port information based on the destination access information and the destination port information included in each of the two or more pieces of partial data.

Preferably, the data reordering unit may reorder the divided two or more pieces of partial data according to the division order based on the division order included in the divided two or more pieces of partial data.

A heterogeneous network-based data transmission service method according to a third aspect of the present invention for achieving the above object comprises the steps of: a transmission apparatus dividing transmission target data into two or more partial data; Including, by the transmitting apparatus, order information including partial data identification information and division order for each of the two or more partial data; Transmitting, by the transmitting device, the two or more pieces of partial data to a receiving device through two or more networks; Discriminating, by the receiving apparatus, at least two partial data including the same partial data identification information based on the order information included in the at least two partial data received through the at least two networks; Reordering the divided two or more pieces of partial data according to the division order based on the order information included in the divided two or more pieces of partial data; And generating, by the receiving apparatus, the transmission target data by combining the separated two or more partial data.

According to a fourth aspect of the present invention, there is provided a method of operating a transmitter, comprising: a data division step of dividing transmission target data into two or more partial data; A sequence information allocating step of including sequence information including partial data identification information and a split sequence for each of the two or more pieces of partial data divided from the transmission target data; And a partial data transmission step of transmitting the two or more partial data through two or more networks.

A method of operating a receiver according to a fifth aspect of the present invention for achieving the above object comprises the steps of: receiving two or more pieces of partial data divided from data to be transmitted through two or more networks; Distinguishing at least two partial data including the same partial data identification information based on the partial data identification information included in the received at least two partial data; A data reordering step of reordering the divided two or more pieces of partial data according to the division order based on the division order included in the divided two or more pieces of partial data; And combining the reordered two or more pieces of partial data to generate the transmission target data.

According to a sixth aspect of the present invention, there is provided a computer-readable recording medium comprising: a data dividing step of dividing a transfer target data into two or more partial data; A sequence information allocating step of including sequence information including partial data identification information and a split sequence for each of the two or more pieces of partial data divided from the transmission target data; And instructions for executing a partial data transmission step of transmitting the two or more partial data through two or more networks.

Preferably, the partial data identification information may be destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a traffic session type corresponding to the destination.

According to a seventh aspect of the present invention, there is provided a computer-readable recording medium comprising the steps of: receiving at least two pieces of partial data divided from data to be transmitted through two or more networks; Distinguishing at least two partial data including the same partial data identification information based on the partial data identification information included in the received at least two partial data; A data reordering step of reordering the divided two or more pieces of partial data according to the division order based on the division order included in the divided two or more pieces of partial data; And generating the transmission target data by combining the divided two or more pieces of partial data.

Preferably, the partial data identification information is destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a type of traffic session corresponding to the destination, In the data classification step, at least one of the destination access information and the destination port information may be distinguished based on the destination access information and the destination port information included in each of the two or more pieces of partial data.

Preferably, the data reordering step may be arranged by reordering the divided two or more pieces of partial data according to the division order based on the division order included in the divided two or more pieces of partial data.

Therefore, according to the heterogeneous network-based data simultaneous transmission service method of the present invention, in an environment for providing a simultaneous transmission service that allows data to be transmitted and received using a plurality of heterogeneous networks, the data is transmitted and received. Heterogeneous network by generating the order information for each destination / traffic session in the divided partial data and assigning / integrating it to the partial data in the split order, and receiving the device by reordering and combining the partial data based on the order information. It can effectively solve the disordering of partial data according to different latency.

1 is a block diagram showing a heterogeneous network-based simultaneous data transmission service system according to a preferred embodiment of the present invention.
2 is a block diagram showing the configuration of a terminal apparatus that operates as a transmitting apparatus and a receiving apparatus according to a preferred embodiment of the present invention.
3 is a block diagram showing the configuration of a management apparatus operating as a transmitting apparatus and a receiving apparatus according to a preferred embodiment of the present invention.
4 is a flowchart illustrating a flow of a heterogeneous network-based data transmission service method according to a preferred embodiment of the present invention.
5 is an operation flowchart showing a method of operating a transmitter according to an exemplary embodiment of the present invention.
6 is a flowchart illustrating a method of operating a receiver according to an exemplary embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a diagram illustrating a heterogeneous network-based simultaneous data transmission service system according to a preferred embodiment of the present invention.

As shown in FIG. 1, a heterogeneous network-based data simultaneous transmission service system according to the present invention includes a management apparatus 400 for supporting a simultaneous transmission service in which data to be transmitted is divided into two or more partial data and transmitted through two or more networks. And a terminal device 100 connected to the management device 400 through two or more networks to use a simultaneous transmission service.

Here, in consideration of the uplink data traffic, the terminal apparatus 100 corresponds to the transmitting apparatus according to the present invention, and the management apparatus 400 corresponds to the receiving apparatus of the present invention. ) Corresponds to the transmitting apparatus according to the present invention, and the terminal apparatus 100 corresponds to the receiving apparatus of the present invention.

In addition, two or more networks, that is, heterogeneous networks, may include WCDMA, CDMA, WiBro, WLAN (WiFi), Long Term Evolution (LTE), and the like.

In the present invention, for convenience of description, a first network (hereinafter, referred to as a "3G network"), which refers to a wireless packet service network (WCDMA) of two or more networks, and a second wireless network (WiFi) Embodiments will be described with reference to two networks (hereinafter referred to as "WiFi networks"). Accordingly, the first network device 200 refers to a gateway GPRS support node (GGSN) device for operating a 3G network, that is, a wireless packet service network, and the second network device 300 is a WiFi network, It refers to an access point (AP) for operating a local area wireless network.

Furthermore, the heterogeneous network-based data simultaneous transmission service system according to the present invention includes a policy management for providing an external device 500 and a network selection policy for receiving the combined / restored data according to the simultaneous transmission service from the management device 400. Has a configuration that includes an apparatus 600.

The external device 500 refers to a server device that transmits and receives data to and from the terminal device 100 through the management device 400. The external device 500 is connected to the terminal device 100 through data transmission / For example, various services such as a portal service and a content providing service can be provided.

In addition, the policy management apparatus 600 may include, for example, the terminal apparatus 100 and the management apparatus according to various network parameters and network state changes on heterogeneous networks including subscriber preferences, subscriber types, subscription plans, types of service target applications, and the like. The network selection policy is determined based on the network state information received from 400 and provided to the terminal device 100 and the management device 400.

Accordingly, the heterogeneous network-based data transmission service according to the present invention divides one data between the terminal device 100 and the management device 400 for data transmission and reception between the terminal device 100 and the external device 500. The divided partial data is transmitted using a plurality of heterogeneous networks (eg, 3G and WiFi), and a simultaneous transmission service for combining the received partial data and restoring the original data is implemented.

As described above, according to the simultaneous transmission service according to the present invention, partial data divided from one data is transmitted using a plurality of heterogeneous networks (eg, 3G and WiFi), and different latency (eg, 3G-about each network) is different. 100msec, WiFi-about 20msec), even if partial data is transmitted through heterogeneous networks (eg 3G and WiFi) simultaneously, the receiving side will have disordering due to latency differences between networks.

Accordingly, the present invention further proposes a configuration that can solve the partial data disordering problem of the receiving side caused by different latency for each network in transmitting partial data divided from one data through a plurality of heterogeneous networks as described above. do.

The terminal device 100 performs a service registration procedure for the management device 400 through two or more networks to be used through a simultaneous transmission service.

When the service registration procedure is normally completed as described above, the terminal device 100 may access the management device 400 through two or more networks (eg, 3G and WiFi) to use the simultaneous transmission service.

First, the uplink data traffic is considered as follows.

The terminal device 100 as a transmission device according to the present invention divides the transmission target data to be transmitted into two or more pieces of partial data.

In addition, the terminal apparatus 100 allocates sequence data according to at least one of partial data identification information, that is, destination information and division order, corresponding to each piece of data divided from the transmission target data, and assigns each piece of order information to each other. Include in each piece of data.

In other words, the terminal apparatus 100 corresponds to the transmission target data generated by a specific application therein, so that the destination access information (Destination IP) corresponding to the destination of the transmission target data, that is, the IP of the external device 600 and the transmission target. For each port of the destination port (Destination Port) indicating the traffic session type of the data, that is, the corresponding port of the external device 600, sequence information is sequentially generated according to the order of division in the data to be transmitted.

The terminal device 100 may allocate and include sequentially generated sequence information for each of the partial data divided from the transmission target data.

Accordingly, the terminal device 100 transmits each partial data including the order information through a corresponding specific network among two or more networks (for example, 3G and WiFi).

That is, the terminal device 100 transmits the first partial data including the above-described order information through the 3G network interface via the first network device 200, and transmits the second partial data including the above-mentioned order information. When transmitting via the WiFi network interface via the 2 network device 300, the management device 400 will receive the first partial data through the 3G network interface and the second partial data through the WiFi network interface.

At this time, the management device 400, the partial data transmitted from the terminal device 100 will receive in accordance with the order in which the simple transmission, unlike the division order due to the different latency between the 3G network and the WiFi network.

Accordingly, the management device 400 as a reception device according to the present invention is based on the above-described order information included in the partial data received through two or more networks (eg, 3G, WiFi), The divided two or more pieces of partial data are divided, and the divided two or more pieces of partial data are reordered according to the partitioning order.

The management apparatus 400 restores the original transmission target data by generating data by combining the reordered two or more pieces of partial data.

The management apparatus 400 transmits the restored target data to the corresponding external apparatus 500.

Meanwhile, the downlink data traffic will be described below.

The management apparatus 400 as the transmission apparatus according to the present invention divides the transmission target data to be transmitted into two or more pieces of partial data.

Then, the management apparatus 400 allocates the sequence information according to at least one of the destination information and the division order, corresponding to each partial data divided from the transmission target data, and each partial data corresponding to each of the allocated sequence information. Include it in

In other words, when the transmission target data for requesting the transmission from the specific external device 500 to the specific terminal device 100 is received, the management device 400 corresponds to the destination of the transmission target data corresponding to the received transmission target data. For each destination port information (Destination IP), that is, the destination port information (Destination Port) indicating the traffic session type of the IP of the terminal apparatus 100 and the transmission target data, that is, the port corresponding to the corresponding application of the terminal apparatus 100, the transmission target Order information is sequentially generated according to the order of division in the data.

The management apparatus 400 may allocate and include sequentially generated sequence information for each of the partial data divided from the transmission target data.

Accordingly, the management device 400 transmits the partial data including the order information through a corresponding specific network among two or more networks (for example, 3G and WiFi).

That is, the management device 400 transmits the first partial data including the above-described order information via the 3G network interface via the first network device 200, and transmits the second partial data including the above-mentioned order information. When transmitting via the WiFi network interface via the 2 network device 300, the terminal device 100 will receive the first partial data through the 3G network interface and the second partial data through the WiFi network interface.

In this case, the terminal device 100 will receive the partial data transmitted from the management device 400 in accordance with the order in which the simple transmission is different from the division order due to the different latency between the 3G network and the WiFi network.

Accordingly, the terminal device 100 as a receiving device according to the present invention, based on the above-described sequence information included in the partial data received through two or more networks (eg, 3G, WiFi), from the transmission target data according to a specific traffic session The divided two or more pieces of partial data are divided, and the divided two or more pieces of partial data are reordered according to the partitioning order.

The terminal device 100 restores the original transmission target data by generating data by combining the reordered two or more pieces of partial data.

Hereinafter, a management apparatus 400 having a configuration as a transmitter and a receiver according to the present invention will be described in more detail with reference to FIG. 2.

The management apparatus 400 operating as a transmission apparatus according to the present invention includes a multi-communication unit 410 for supporting two or more network interfaces through two or more networks, and a data division control unit for dividing transmission target data into two or more partial data ( 420 and corresponding to at least one of the destination information and the dividing order, corresponding to each partial data divided from the transmission target data, and an order of including the allocated order information in each corresponding partial data. It includes an information allocation unit 430.

The multi communication unit 410 is a communication function unit supporting two or more network interfaces through two or more different networks. For example, referring to two networks, the multi communication unit 410 may include a first communication unit 412 supporting the first network and a second communication unit 414 supporting the second network.

Here, the first communication unit 412 is a communication module for transmitting and receiving data by supporting the first network interface through the first network, for example, a communication module for interworking with the first network device 200 using a 3G network. Can be.

The second communication unit 414 is a communication module that transmits and receives data by supporting a second network interface through a second network, and is, for example, a communication module for interworking with the second network device 300 using a WiFi network. Can be.

The data division controller 420 divides the transmission target data into two or more partial data.

In more detail, the data division control unit 420 may maintain subscriber-specific table information including network connection information (eg, virtual IP) of a terminal device that is registered for each subscriber for simultaneous transmission service.

In more detail, the management apparatus 400 includes the first network and the second mapped on the basis of table information for each subscriber, for example, device identification information (eg, IMSI) of a terminal device registered for each subscriber as described above. Access information such as network access information (eg 3G IP and WiFi IP), separate network access information (eg virtual IP), service classification information (Initial, Update, Remove), and for distributing traffic in heterogeneous network environment. Network selection policy For example, it may have subscriber-specific table information including source IP, source port, destination IP, destination port, protocol (UDP, TCP, etc.) information for traffic classification, and traffic distribution rate for 3G network and WiFi network. have.

Accordingly, the data division controller 420 divides the transmission target data into two or more partial data when the transmission target data for requesting transmission from the specific external device 500 to the specific terminal device 100 is received.

That is, the data division control unit 420 divides the data to be transmitted into two or more pieces of partial data so as to correspond to the number of networks for simultaneous data transmission using the 3G network and the WiFi network. It can be performed according to the traffic distribution rate for each network that is changed according to the network selection policy or real-time network state detection delivered from).

The data division controller 420 inserts network connection information (eg, virtual IP) of the corresponding terminal device 100 that is recognized based on the subscriber-specific table information retained as described above in the two or more pieces of data. Preferably, the data division controller 420 connects the connection information of the external device 500 to the two or more pieces of partial data as source connection information, and uses network connection information (eg, virtual IP) of the terminal device 100 as a destination connection. Headers to be included as information can be inserted.

The order information allocating unit 430 allocates order information according to at least one of the destination information and the split order, corresponding to each piece of data divided from the transmission target data, and each piece of data corresponding to the allocated order information. Include it in

More specifically, the sequence information allocating unit 430 may include at least one of destination connection information corresponding to a destination and destination port information indicating a type of traffic session corresponding to the destination, based on the transmission target data. Recognizing destination information, generating order information according to the order of division based on the recognized destination information, and sequentially assigning the generated order information to each partial data divided from the transmission target data.

That is, the order information allocating unit 430 corresponds to the destination destination information (Destination IP) corresponding to the destination of the transfer target data corresponding to the transfer target data processed by the data division control unit 420, that is, the connection information of the terminal device 100. (Eg, virtual IP) and destination port information indicating a traffic session type of transmission target data, that is, at least one of a port corresponding to a corresponding application of the terminal device 100 may be recognized.

Accordingly, the order information allocating unit 430 is destination destination information (Destination IP), that is, connection information (for example, virtual IP) of the terminal device 100, and destination port information (Destination Port) indicating the traffic session type of the transmission target data. That is, the sequence information is generated according to the divided order based on at least one of the ports corresponding to the corresponding application of the terminal device 100.

That is, the sequence information allocating unit 430 divides the transmission target data according to the traffic sessions of the terminal apparatus 100 and the transmission target data corresponding to the transmission target data processed by the data division control unit 420. Accordingly, order information may be sequentially generated.

In this case, the generated sequence information includes a destination identifier indicating destination access information corresponding to a destination recognized in correspondence with the transmission target data, and a session identifier and division indicating destination port information indicating a type of traffic session corresponding to the destination. It may include at least any one of the order identifier to indicate the divided order.

For example, the sequence information may include destination access information (eg, xxxx), which means destination access information corresponding to a destination to be recognized corresponding to the transmission target data, that is, access information (eg, virtual IP) of the terminal apparatus 100; Destination port information indicating the type of traffic session corresponding to the destination, that is, a session identifier (eg, yyyy) indicating a port corresponding to a corresponding application of the terminal device 100, and an order identifier (eg, 001) indicating a divided partition order. It may include at least one of).

As such, the sequence information allocating unit 430 corresponds to xxxx-yyyy-001 and xxxx- corresponding to the transmission target data corresponding to the traffic session corresponding to the specific application to the specific terminal device 100 processed by the data division control unit 420. Order information such as yyyy-002, xxxx-yyyy-003 ... can be generated sequentially.

In addition, the sequence information allocating unit 430 may sequentially allocate the sequence information sequentially generated as described above to each of the partial data divided from the transmission target data.

Accordingly, the sequence information allocating unit 430 divides the partial data divided from the transmission target data according to the traffic session corresponding to the specific application to the specific terminal device 100, for each specific destination, that is, the specific device, and specific traffic. A session, that is, sequence information generated sequentially for each specific traffic session corresponding to a specific application of the terminal device 100 is included in the split order.

In this case, the order information allocating unit 430 may include the respective order information allocated to a specific field of tunneling information included in each piece of data in order to induce a route to a corresponding one of two or more networks. Do.

For example, the data division control unit 420 described above may insert tunneling information, that is, a tunneling header, for inducing a route to the 3G network into the first partial data divided from the transmission target data, and split from the transmission target data. Tunneling information, that is, tunneling header, may be inserted into the second partial data to induce a route to the WiFi network.

Accordingly, the order information allocating unit 430 includes order information sequentially generated in the partial data to be divided from the transmission target data in the split order as described above, and is included in the tunneling information of the corresponding partial data, that is, the specific field of the tunneling header. Can be included.

As such, the partial data including / inserted the order information will be transmitted through the corresponding specific network among two or more networks through the multi communication unit 410.

That is, the first partial data including the above-described order information is transmitted through the 3G network interface via the first network device 200, and the second partial data including the above-mentioned order information is transmitted to the second network device 300. Through the WiFi network interface will be transmitted through, the terminal device 100 will receive the first partial data via the 3G network interface and the second partial data through the WiFi network interface.

On the other hand, the management device 400 operating as a receiving device according to the present invention, as shown in Figure 2 includes a data reordering unit 440 and the data combining unit 450.

The data reordering unit 440 divides from one transmission target data having the same destination information based on the order information according to at least one of the destination information and the division order included in the partial data received through the two or more networks. The separated two or more pieces of partial data are distinguished and the separated two or more pieces of partial data are reordered according to the division order.

In more detail, the data reordering unit 440 checks at least one of a destination identifier and a session identifier corresponding to the destination information included in the order information of each piece of data received through two or more networks. Distinguish two or more pieces of partial data divided from one transmission target data, and identify an order identifier corresponding to the division order included in the order information of the divided pieces of partial data, and convert the divided two or more pieces of partial data into an order identifier. Can be rearranged and reordered.

For example, when considering the uplink data traffic, the data reordering unit 440 may receive the partial data transmitted from two or more networks (eg, 3G, WiFi) from the specific terminal device 100. Here, for example, the order information may include at least one of a destination identifier (for example, xxxz), a session identifier (for example, yyyz), and an order identifier (for example, 001).

Accordingly, the data reordering unit 440 receives received by classifying / dividing the partial data having the same destination identifier and session identifier by checking the destination identifier and the session identifier included in the order information included in the received partial data. Two or more pieces of partial data may be distinguished from the transmission target data according to one specific traffic session among the partial data.

In addition, the data reordering unit 440 rearranges the divided two or more pieces of partial data according to the order identifiers of the order information included in the divided two or more pieces of partial data, thereby splitting the two or more pieces of data in one specific traffic session. Data can be reordered according to the partitioning order.

The data combiner 450 may generate / restore original transmission target data by combining the two or more pieces of partial data reordered by the data reordering unit 440 to generate data.

Accordingly, the management device 400 will transmit the generated / restored transmission target data to the corresponding external device 500.

Hereinafter, a terminal device 100 having a configuration as a transmitter and a receiver according to the present invention will be described in more detail with reference to FIG. 3.

The terminal device 100, which operates as a transmitting device according to the present invention, includes a multi-communication unit 110 supporting two or more network interfaces through two or more networks, and a data division control unit for dividing transmission target data into two or more partial data ( 120) and an order of allocating the order information according to at least one of the destination information and the dividing order corresponding to each partial data divided from the transmission target data, and including each allocated order information in the corresponding partial data. The information allocating unit 130 is included.

The multi communication unit 110 is a communication function unit that supports two or more network interfaces through two or more different networks. For example, referring to two networks, the multi communication unit 110 may include a first communication unit 112 supporting the first network and a second communication unit 114 supporting the second network.

Here, the first communication unit 112 is a communication module for transmitting and receiving data by supporting the first network interface through the first network, for example, a communication module for interworking with the first network device 200 using a 3G network. Can be.

The second communication unit 114 is a communication module for transmitting / receiving data by supporting a second network interface through a second network, for example, a communication module for interworking with the second network device 300 using a WiFi network. Can be.

The data division controller 120 divides the transmission target data into two or more partial data.

In more detail, the data division controller 120 transmits data to be transmitted if the data to be transmitted is requested to be transmitted from the specific application App 1 to the specific external device 500 among various applications 105. Split into two or more pieces of partial data.

That is, the data division controller 120 divides the data to be transmitted into two or more pieces of partial data so as to correspond to the number of networks for simultaneous data transmission using the 3G network and the WiFi network. It can be performed according to the traffic distribution rate for each network that is changed according to the network selection policy or real-time network state detection delivered from).

Then, the data division controller 120 inserts network connection information (eg, virtual IP) of the terminal device 100. Preferably, the data division controller 120 uses the network connection information (for example, virtual IP) of the terminal apparatus 100 as source connection information to each of two or more pieces of partial data, and access information (IP) of the external device 500. Header may be inserted that includes as the destination connection information.

The sequence information allocating unit 130 allocates sequence information according to at least one of the destination information and the division sequence, corresponding to the respective partial data divided from the transmission target data, and the respective partial data corresponding to each allocated sequence information. Include it in

In more detail, the sequence information allocating unit 130 includes a destination including at least one of destination connection information corresponding to a destination and destination port information indicating a type of traffic session corresponding to the destination, based on the transmission target data. Recognizing information, generating order information according to the order of division based on the recognized destination information, and sequentially assigning the generated order information to each partial data divided from the transmission target data.

That is, the sequence information allocating unit 130 corresponds to the destination destination information (Destination IP) corresponding to the destination of the transmission target data corresponding to the transmission target data processed by the data division control unit 120, that is, the connection information of the external device 500. At least one of the destination port information (Destination Port) indicating a traffic session type of the transmission target data, that is, a port corresponding to the corresponding application of the external device 500 may be recognized.

Accordingly, the order information allocating unit 130 is destination destination information (Destination IP), that is, connection information (IP) of the external device 500, and destination port information (Destination Port) indicating the type of traffic session of the transmission target data, that is, external. The sequence information is generated according to the divided order based on at least one of the ports corresponding to the corresponding application of the device 500.

That is, the order information allocating unit 130 may be divided in order of being divided from the transmission target data for each traffic session of the external device 500 and the transmission target data corresponding to the transmission target data processed by the data division control unit 120. Accordingly, order information may be sequentially generated.

In this case, the generated sequence information includes a destination identifier indicating destination access information corresponding to a destination recognized in correspondence with the transmission target data, and a session identifier and division indicating destination port information indicating a type of traffic session corresponding to the destination. It may include at least any one of the order identifier to indicate the divided order.

For example, the sequence information may include destination access information corresponding to a destination recognized according to the transmission target data, that is, a destination identifier (for example, xxxz) representing the connection information (IP) of the external device 500, and the destination. At least one of destination port information indicating a corresponding traffic session type, that is, a session identifier (eg, yyyz) indicating a port corresponding to a corresponding application of the external device 500, and an order identifier (eg, 001) indicating a split partitioning order. It may include any one.

The order information allocator 130 corresponds to xxxz-yyyz-001 and xxxz-yyyz in response to the transmission target data corresponding to the traffic session corresponding to the specific application to the specific external device 500 processed by the data division control unit 120. Order information such as -002, xxxz-yyyz-003 ... can be generated sequentially.

In addition, the sequence information allocating unit 130 may sequentially allocate sequence information generated as described above to each of the partial data divided from the transmission target data.

Accordingly, the order information allocating unit 130 may divide the partial data divided from the transmission target data according to the traffic session corresponding to the specific application to the specific external device 500, for each specific destination, that is, for the specific external device 500, and also for specific traffic. The session, that is, sequence information generated sequentially for each specific traffic session corresponding to the specific application of the external device 500 is included in the split order.

In this case, the order information allocating unit 130 may include the respective order information allocated to a specific field of tunneling information included in each piece of data in order to induce a route to a corresponding specific network among two or more networks. Do.

For example, the above-described data division controller 120 may insert tunneling information, that is, a tunneling header, for inducing a route to the 3G network into the first partial data divided from the transmission target data, and split from the transmission target data. Tunneling information, that is, tunneling header, may be inserted into the second partial data to induce a route to the WiFi network.

Accordingly, the order information allocating unit 130 includes, in the division order, the order information sequentially generated in the partial data divided from the transmission target data, as described above, in the tunneling information of the corresponding partial data, that is, in a specific field of the tunneling header. Can be included.

As such, the partial data including / inserted the order information will be transmitted through the corresponding specific network among two or more networks through the multi communication unit 110.

That is, the first partial data including the above-described order information is transmitted through the 3G network interface via the first network device 200, and the second partial data including the above-mentioned order information is transmitted to the second network device 300. It will be transmitted through the WiFi network interface, so that the management device 400 will receive the first partial data through the 3G network interface and the second partial data through the WiFi network interface.

On the other hand, the terminal device 100 that operates as a receiving device according to the present invention, as shown in Figure 2 includes a data reordering unit 140 and the data combining unit 150.

The data reordering unit 140 may divide two or more pieces of partial data from one piece of data to be transmitted based on at least one of destination information included in the partial data received through the two or more networks and order information according to at least one of the division order. And reorder the separated two or more pieces of partial data according to the partitioning order.

In more detail, the data reordering unit 140 checks at least one of a destination identifier and a session identifier corresponding to the destination information included in the order information of each piece of data received through two or more networks. Distinguish two or more pieces of partial data divided from one transmission target data, and identify an order identifier corresponding to the division order included in the order information of the divided pieces of partial data, and convert the divided two or more pieces of partial data into an order identifier. Can be rearranged and reordered.

For example, when considering downlink data traffic, the data reordering unit 140 is provided from a specific external device 500 and transmitted by two or more networks (eg, 3G, WiFi) by the management device 400. You will receive each piece of data. Here, for example, the order information may include at least one of a destination identifier (for example, xxxx), a session identifier (for example, yyyy), and an order identifier (for example, 001).

Accordingly, the data reordering unit 140 receives the target identifier and the session identifier included in the sequence information included in the received partial data to classify / divide the partial data having the same destination identifier and the session identifier. Two or more pieces of partial data may be distinguished from the transmission target data according to one specific traffic session among the partial data.

The data reordering unit 140 may rearrange the two or more pieces of partial data according to the order identifiers of the order information included in the two or more pieces of divided data, thereby splitting the two or more pieces of data in one specific traffic session. Data can be reordered according to the partitioning order.

The data combiner 150 may generate / restore original transmission target data by combining the two or more partial data reordered by the data reordering unit 140 to generate data.

Accordingly, the transmission target data generated / restored by the data combiner 150 may be provided to a specific application (App 1) therein.

As described above, a heterogeneous network-based data transmission service system including a transmitter and a receiver according to the present invention divides data for transmission and reception of data to be transmitted and transmits / receives using a plurality of heterogeneous networks. In the environment of providing simultaneous transmission service, the transmitting device generates sequence information for each destination / traffic session in the divided partial data and allocates / includes it to the partial data in the split order and transmits the partial information based on the sequence information. By reordering and combining data, we can effectively solve the disordering of partial data due to the different latency between heterogeneous networks.

Hereinafter, a heterogeneous network-based data transmission method according to a preferred embodiment of the present invention will be described with reference to FIGS. 4 to 6. Here, for convenience of description, the components shown in FIGS. 1 to 3 will be described with reference to corresponding reference numerals.

First, a heterogeneous network-based simultaneous data transmission method according to a preferred embodiment of the present invention will be described with reference to FIG. 4.

First, the downlink data traffic is considered as follows.

When the management device 400 as the transmission device according to the present invention receives the transmission target data requesting the transmission from the specific external device 500 to the specific terminal device 100 (S10), the transmission target data to be transmitted is 2 The above-described partial data is divided (S20).

Then, the management apparatus 400 allocates the sequence information according to at least one of the destination information and the division order, corresponding to each partial data divided from the transmission target data, and each partial data corresponding to each of the allocated sequence information. Include in (S30).

In other words, the management apparatus 400 corresponds to the received transmission target data, and determines the destination access information (Destination IP) corresponding to the destination of the transmission target data, that is, the IP of the terminal apparatus 100 and the traffic session type of the transmission target data. For each port corresponding to the destination port information (Destination Port), that is, the corresponding application of the terminal device 100, the sequence information is sequentially generated according to the order of division in the transmission target data.

The management apparatus 400 may allocate and include sequentially generated sequence information for each of the partial data divided from the transmission target data.

Accordingly, the management device 400 transmits each partial data including the order information through a corresponding specific network among two or more networks (for example, 3G and WiFi) (S40 and S45).

That is, the management device 400 transmits the first partial data including the above-described order information via the 3G network interface via the first network device 200, and transmits the second partial data including the above-mentioned order information. When transmitting via the WiFi network interface via the 2 network device 300, the terminal device 100 will receive the first partial data through the 3G network interface and the second partial data through the WiFi network interface.

In this case, the terminal device 100 will receive the partial data transmitted from the management device 400 in accordance with the order in which the simple transmission is different from the division order due to the different latency between the 3G network and the WiFi network.

Accordingly, the terminal device 100 as a receiving device according to the present invention, based on the above-described sequence information included in the partial data received through two or more networks (eg, 3G, WiFi), from the transmission target data according to a specific traffic session The divided two or more pieces of partial data are divided, and the divided two or more pieces of partial data are reordered according to the division order (S50).

The terminal device 100 will restore the original transmission target data by generating data by combining the reordered two or more pieces of partial data (S60).

On the other hand, when considering the uplink data traffic as follows.

The terminal device 100 as a transmission device according to the present invention divides the transmission target data to be transmitted into two or more pieces of partial data (S70).

Then, the terminal apparatus 100 allocates order information according to at least one of destination information and division order, corresponding to each partial data divided from the transmission target data, and assigns each assigned sequence information to the corresponding partial data. Included (S80).

In other words, the terminal apparatus 100 corresponds to the transmission target data generated by a specific application therein, so that the destination access information (Destination IP) corresponding to the destination of the transmission target data, that is, the IP of the external device 600 and the transmission target. For each port of the destination port (Destination Port) indicating the traffic session type of the data, that is, the corresponding port of the external device 600, sequence information is sequentially generated according to the order of division in the data to be transmitted.

The terminal device 100 may allocate and include sequentially generated sequence information for each of the partial data divided from the transmission target data.

Accordingly, the terminal device 100 transmits each partial data including the order information through a corresponding specific network among two or more networks (for example, 3G and WiFi) (S90 and S95).

That is, the terminal device 100 transmits the first partial data including the above-described order information through the 3G network interface via the first network device 200, and transmits the second partial data including the above-mentioned order information. When transmitting via the WiFi network interface via the 2 network device 300, the management device 400 will receive the first partial data through the 3G network interface and the second partial data through the WiFi network interface.

At this time, the management device 400, the partial data transmitted from the terminal device 100 will receive in accordance with the order in which the simple transmission, unlike the division order due to the different latency between the 3G network and the WiFi network.

Accordingly, the management device 400 as a reception device according to the present invention is based on the above-described order information included in the partial data received through two or more networks (eg, 3G, WiFi), The divided two or more pieces of partial data are divided, and the divided two or more pieces of partial data are reordered according to the division order (S100).

The management apparatus 400 restores the original transmission target data by generating data by combining the reordered two or more pieces of partial data (S110).

Then, the management device 400 will transmit the restored target data to the corresponding external device 500 (S120).

Hereinafter, an operation method of the transmitter according to the present invention will be described in more detail with reference to FIG. 5.

In the operation method of the transmitter according to the present invention, the transmission target data to be transmitted through the simultaneous transmission service is received (S130).

For example, the operation method of the management device 400 as a transmission device may be provided with transmission target data requesting transmission from a specific external device 500 to a specific terminal device 100.

Alternatively, the operation method of the terminal device 100 as a transmission device may receive transmission target data requesting transmission from a specific application App 1 to a specific external device 500 among various applications 105 therein.

As described above, when the transmission target data to be transmitted through the simultaneous transmission service is received, the transmission method according to the present invention divides the transmission target data (S140).

For example, in the method of operating a transmitter according to the present invention, for simultaneously transmitting data using a 3G network and a WiFi network, data to be transmitted is divided into two or more pieces of partial data so as to correspond to the number of networks. This may be performed according to a network distribution policy that is changed according to a network selection policy or a real-time network state detection transmitted from the policy management apparatus 600.

At this time, the operation method of the transmission apparatus according to the present invention, in response to each partial data divided from the transmission target data, assigns the order information according to at least one of the destination information and the division order (S145), each assigned order Information is included in the corresponding partial data (S150).

More specifically, the operation method of the transmitter according to the present invention includes at least one of destination connection information corresponding to a destination and destination port information indicating a type of traffic session corresponding to the destination based on the transmission target data. Recognizing the destination information, and generates the sequence information according to the divided order on the basis of the recognized destination information, the generated sequence information can be sequentially assigned to each piece of data divided from the transmission target data.

For example, the operation method of the management device 400 as a transmission device includes destination destination information (Destination IP) corresponding to the destination of the transmission target data corresponding to the transmission target data, that is, connection information of the terminal apparatus 100 (eg, At least one of destination port information (Destination Port) indicating a traffic session type of the transmission target data and a corresponding port of the corresponding application of the terminal device 100 may be recognized.

Accordingly, the operation method of the management device 400 includes destination destination information (Destination IP), that is, connection information (for example, virtual IP) of the terminal device 100, and destination port information (Destination) indicating a traffic session type of transmission target data. Port), that is, order information is generated according to the order of division based on at least one of the ports corresponding to the corresponding application of the terminal device 100.

That is, the operation method of the management apparatus 400 may sequentially generate sequence information according to the order of division in the transmission target data for each traffic session of the terminal device 100 and the transmission target data corresponding to the transmission target data. It may be (S145).

In this case, the generated sequence information includes a destination identifier indicating destination access information corresponding to a destination recognized in correspondence with the transmission target data, and a session identifier and division indicating destination port information indicating a type of traffic session corresponding to the destination. It may include at least any one of the order identifier to indicate the divided order.

For example, the sequence information may include destination access information (eg, xxxx), which means destination access information corresponding to a destination to be recognized corresponding to the transmission target data, that is, access information (eg, virtual IP) of the terminal apparatus 100; Destination port information indicating the type of traffic session corresponding to the destination, that is, a session identifier (eg, yyyy) indicating a port corresponding to a corresponding application of the terminal device 100, and an order identifier (eg, 001) indicating a divided partition order. It may include at least one of).

As described above, the operation method of the management device 400 corresponds to xxxx-yyyy-001, xxxx-yyyy-002, xxxx-yyyy- in response to the transmission target data according to the traffic session corresponding to the specific application to the specific terminal device 100. Order information such as 003 ... can be generated sequentially.

In addition, the operation method of the management device 400 may sequentially allocate the sequence information generated sequentially as described above to each of the partial data divided from the transmission target data (S150).

Thus, the operation method of the management device 400, the partial data divided from the transmission target data according to the traffic session corresponding to the specific application to the specific terminal device 100, for each specific destination, that is, the terminal device 100, and also specified The traffic information, that is, sequence information generated sequentially for each specific traffic session corresponding to the specific application of the terminal device 100 is included in the split order.

Alternatively, the operation method of the terminal apparatus 100 as a transmission apparatus includes destination destination information (Destination IP) corresponding to a destination of the transmission target data, that is, connection information (IP) of the external device 500 and a transmission target corresponding to the transmission target data. At least one of destination port information indicating a traffic session type of data, that is, a port corresponding to a corresponding application of the external device 500 may be recognized.

Accordingly, the operation method of the terminal apparatus 100 includes destination destination information (Destination IP), that is, connection information (IP) of the external device 500, and destination port information (Destination Port) indicating the traffic session type of the transmission target data. The sequence information is generated according to the divided order based on at least one of the ports corresponding to the corresponding application of the external device 500.

That is, the operation method of the terminal apparatus 100 may sequentially generate sequence information according to the order of division in the transmission target data for each traffic session of the external device 500 and the transmission target data corresponding to the transmission target data. It may be (S145).

In this case, the generated sequence information includes a destination identifier indicating destination access information corresponding to a destination recognized in correspondence with the transmission target data, and a session identifier and division indicating destination port information indicating a type of traffic session corresponding to the destination. It may include at least any one of the order identifier to indicate the divided order.

For example, the sequence information may include destination access information corresponding to a destination recognized according to the transmission target data, that is, a destination identifier (for example, xxxz) representing the connection information (IP) of the external device 500, and the destination. At least one of destination port information indicating a corresponding traffic session type, that is, a session identifier (eg, yyyz) indicating a port corresponding to a corresponding application of the external device 500, and an order identifier (eg, 001) indicating a split partitioning order. It may include any one.

As described above, the operation method of the terminal device 100 corresponds to xxxz-yyyz-001, xxxz-yyyz-002, xxxz-yyyz- in response to data to be transmitted according to a traffic session corresponding to a specific application to a specific external device 500. Order information such as 003 ... can be generated sequentially.

In operation S150, the terminal apparatus 100 may sequentially allocate the sequence information sequentially generated as described above to the partial data divided from the transmission target data.

Accordingly, the operation method of the terminal device 100 may be further specified for each specific destination, i.e., the external device 500, to the partial data divided in the transmission target data according to the traffic session corresponding to the specific application to the specific external device 500. The traffic information, that is, sequence information generated sequentially for each specific traffic session corresponding to the specific application of the external device 500 is included in the split order.

In this case, the operation method of the transmitting apparatus according to the present invention includes the respective order information included in the specific field of the tunneling information included in each piece of data in order to induce a route to a corresponding specific network among two or more networks. It is preferable.

For example, in the method of operating the transmitter according to the present invention, tunneling information, that is, a tunneling header for inducing a route to the 3G network, can be inserted into the first partial data divided from the transmission target data, Tunneling information, that is, tunneling header, may be inserted into the divided second partial data to induce a route to the WiFi network.

Accordingly, in the method of operating the transmitter according to the present invention, in order to include the sequence information to be sequentially generated in the partial data divided from the transmission target data as described above, the tunneling information of the corresponding partial data, that is, specifying the tunneling header Can be included in the field.

In addition, the operation method of the transmitter according to the present invention transmits the partial data including / inserting the sequence information through the corresponding specific network among two or more networks (S160).

That is, the first partial data including the above-described order information is transmitted through the 3G network interface via the first network device 200, and the second partial data including the above-mentioned order information is transmitted to the second network device 300. Will be transmitted through the WiFi network interface, the terminal device 100 or the management device 400 to receive the first partial data through the 3G network interface and the second partial data through the WiFi network interface. will be.

Hereinafter, a method of operating a receiver according to the present invention will be described with reference to FIG. 6.

In the operation method of the reception device according to the present invention, partial data is received through two or more networks (S200).

In addition, the method of operating the receiver according to the present invention includes two or more divided from one transmission target data having the same destination information based on the order information according to at least one of the destination information and the division order included in the received partial data. The partial data are separated and the two or more divided partial data are reordered according to the division order.

In more detail, in the operation method of the receiving apparatus according to the present invention, the sequence information included in each piece of data received through two or more networks is checked (S210).

Accordingly, in the method of operating a reception device according to the present invention, two or more parts divided from one transmission target data by identifying at least one of a destination identifier and a session identifier corresponding to the destination information based on the sequence information of the received partial data. The data may be divided (S220), and the two or more pieces of divided data may be rearranged according to the order of division according to the order identifier of the order information included in the two or more pieces of divided data (S230).

For example, the operation method of the management device 400 as a reception device will receive each piece of data transmitted from two or more networks (eg, 3G, WiFi) from a specific terminal device 100. Here, for example, the order information may include at least one of a destination identifier (for example, xxxz), a session identifier (for example, yyyz), and an order identifier (for example, 001).

Thus, the operation method of the management device 400, by identifying the destination identifier and the session identifier included in the order information included in each of the received partial data to classify the partial data having the same destination identifier and session identifier, the received portion Two or more pieces of partial data may be distinguished from data to be transmitted according to one specific traffic session among data.

And, the operation method of the management device 400, by rearranging the divided two or more pieces of partial data according to the order identifier of the order information included in the divided two or more pieces of partial data, two or more divided in one specific traffic session Partial data can be reordered according to the division order.

Alternatively, the operation method of the terminal device 100 as a reception device may be provided from a specific external device 500 to receive each piece of data transmitted by two or more networks (eg, 3G, WiFi) by the management device 400. Will be done. Here, for example, the order information may include at least one of a destination identifier (for example, xxxx), a session identifier (for example, yyyy), and an order identifier (for example, 001).

Thus, the operation method of the terminal device 100, by identifying the destination identifier and the session identifier included in the order information included in each of the received partial data to classify the partial data having the same destination identifier and session identifier, the received portion Two or more pieces of partial data may be distinguished from data to be transmitted according to one specific traffic session among data.

In addition, the operation method of the terminal apparatus 100 may rearrange the two or more divided pieces of partial data according to the order identifiers of the order information included in the divided two or more pieces of partial data, thereby splitting the two or more pieces divided in one specific traffic session. Partial data can be reordered according to the division order.

In operation S240, the method of operating the receiver according to the present invention may generate / restore original transmission target data by combining data of two or more reordered partial data to generate data.

Accordingly, according to the operation method of the management device 400 as a receiving device, the generated / restored transmission target data will be transmitted to the corresponding external device 500, and according to the operating method of the terminal device 100 as the receiving device, the generation / restore Will be provided to the specific application (App 1) therein.

As described above, the heterogeneous network-based data simultaneous transmission service method according to the present invention provides an environment for providing a simultaneous transmission service that divides data for transmission and reception of data to be transmitted and uses a plurality of heterogeneous networks to transmit and receive data. In the present invention, the transmitting apparatus generates order information for each destination / traffic session in the divided partial data, assigns and includes them to the partial data in the split order, and transmits them by reordering and combining the partial data based on the order information. As a result, it is possible to effectively solve the disordering of partial data due to different latency between heterogeneous networks.

Meanwhile, the steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of both. A software module may reside in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such that the processor can read information from, and write information to, the storage medium. Alternatively, the storage medium may be integrated into the processor. The processor and the storage medium may be included within an ASIC. The ASIC may be included in the user terminal device. In the alternative, the processor and the storage medium may be included as separate components within the user terminal device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

According to the heterogeneous network-based simultaneous data transmission service method according to the present invention, a transmission apparatus in an environment for providing a simultaneous transmission service for splitting data for transmission and reception data transmission and transmission and reception using a plurality of heterogeneous networks, Generates sequence information for each destination / traffic session in the divided partial data and allocates / includes it to the partial data in the split order, and transmits them by reordering and combining the partial data based on the sequence information. Since it is possible to effectively solve the disordering of partial data according to different latency, the possibility of marketing or sales of the applied device is not only sufficient for the use of the related technology but also practically obviously performed because the limitation of the existing technology is overcome. Degree Since the invention in the industrial applicability.

400: management device
410: multi communication unit 420: data division controller
430: sequence information allocation unit 440: data reordering unit
450: data combining unit

Claims (11)

delete A multi communication unit supporting at least two network interfaces through at least two networks;
A data division controller for dividing the transmission target data into two or more partial data; And
And an order information allocating unit including a part data identification information and order information including a split order for each of the at least two pieces of partial data divided from the data to be transmitted.
The partial data identification information,
And destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a type of traffic session corresponding to the destination. delete A multi-communication unit supporting at least two network interfaces through at least two networks and receiving at least two partial data divided from data to be transmitted through the at least two networks;
The two or more partial data including the same partial data identification information are classified based on the partial data identification information included in the two or more partial data received, and the division is performed based on the division order included in the divided two or more partial data. A data reordering unit for reordering the separated two or more pieces of partial data in order; And
And a data combiner configured to combine the reordered two or more pieces of partial data to generate the transmission target data.
The partial data identification information,
Destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a type of traffic session corresponding to the destination;
The data reordering unit,
And at least one of the destination access information and the destination port information distinguishes the same partial data based on the destination access information and the destination port information included in each of the at least two partial data. delete delete delete A data division step of dividing the transmission target data into two or more partial data;
A sequence information allocating step of including sequence information including partial data identification information and a split sequence for each of the two or more pieces of partial data divided from the transmission target data; And
A partial data transmission step of transmitting the two or more partial data through two or more networks,
The partial data identification information,
And destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a type of traffic session corresponding to the destination. delete Receiving at least two partial data divided from the data to be transmitted through at least two networks;
Distinguishing at least two partial data including the same partial data identification information based on the partial data identification information included in the received at least two partial data;
A data reordering step of reordering the divided two or more pieces of partial data according to the division order based on the division order included in the divided two or more pieces of partial data; And
Combining the reordered two or more partial data to generate the transmission target data;
The partial data identification information,
Destination information including at least one of destination connection information corresponding to a destination of the transmission target data and destination port information indicating a type of traffic session corresponding to the destination;
The partial data classification step,
And at least one of the destination access information and the destination port information distinguishes the same partial data based on the destination access information and the destination port information included in each of the at least two partial data. delete

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