CN108551477A - Data transmission channel establishment system, network storage device, server and method - Google Patents

Abstract

The invention discloses a system for establishing a data transmission channel, a network storage device, a server and a method. The system includes: control server, intelligent network storage device and terminal device; the control server receives the TS server address request information of the intelligent network storage device and terminal device APP, and feeds back the best TS server address to the intelligent network storage device and terminal device according to the scheduling rules APP; the intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, and the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP. The data transmission channel establishment system and method provided by the present invention select the best TS server through scheduling rules, and establish a data transmission channel through the best TS server, so that the intelligent network storage device and the terminal device APP are in the data transmission channel and in the TS server Data transmission is completed with the assistance of , saving bandwidth and reducing memory loss.

Description

Data transmission channel establishment system, network storage device, server and method

technical field

The invention relates to data communication, in particular to a system for establishing a data transmission channel, a network storage device, a server and a method.

Background technique

At present, a new generation of smart hardware, or also known as network storage devices, or can also be called "money-making mobile cloud disk". It is difficult for this new generation of intelligent hardware to directly transmit data with the terminal, and the TS server can only be used to assist the two to complete data interaction. However, when the new generation of intelligent hardware is powered on and connected to the TS server, it will greatly It wastes memory. In addition, when the terminal device APP sends a download request, the problem of slow data download occurs due to limited bandwidth.

Contents of the invention

In view of this, the system and method for establishing a data transmission channel provided by the present invention can solve the technical problems of TS server memory waste, slow downloading and the inability of the new generation of intelligent hardware to directly interact with the terminal device APP in the prior art.

In order to achieve the above purpose, an embodiment of the present invention provides a system for establishing a data transmission channel, which specifically includes:

Control servers, intelligent network storage devices and terminal devices;

The intelligent network storage device and the terminal device are respectively connected in communication with the control server;

The control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the best TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rule;

The intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, and the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP.

Preferably, the control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the best TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rules, specifically include:

The terminal device APP sends a request to the control server to obtain the address of the TS server;

The control server feeds back the optimal TS server address to the terminal device APP according to the scheduling rule, and sends a session identification code to the terminal device APP;

The intelligent network storage device sends a request to the control server to obtain the address of the TS server;

The control server feeds back the optimal TS server address to the intelligent network storage device according to the scheduling rule, and issues the same session identification code to the intelligent network storage device.

Preferably, the intelligent network storage device and the terminal device APP establish a connection with the corresponding best TS server according to the address of the best TS server, and the best TS server establishes data for the smart network storage device and the terminal device APP Transmission channels, specifically including:

The intelligent network storage device and the terminal device APP respectively establish a TCP three-way handshake with the best TS server;

The optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP;

The optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship.

Preferably, the optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP, specifically including:

The intelligent network storage device and the terminal device APP respectively send the allocation request to the best TS server, wherein the allocation request includes a universal unique identification code;

After the optimal TS server receives the allocation request, it allocates a mapping port for the intelligent network storage device and the terminal device APP, and stores the mapping port in the Key-Value association structure;

The terminal device APP sends a connection request to the optimal TS server, wherein the connection request includes the session identification code;

The best TS server looks up the port address of the mapping relationship to be established in the Key-Value association structure, and initiates the TCP connection of the intelligent network storage device and the terminal device APP to the mapping port;

The optimal TS server sends a connection response request to the terminal device APP, so that the mapping relationship is successfully established, wherein the connection response request includes a connection identification code attribute field.

Preferably, the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship, specifically including:

The optimal TS server sends a connection attempt request to the intelligent network storage device, wherein the connection attempt request includes the connection identification code attribute field;

The intelligent network storage device responds to the attempted connection request, and establishes a TCP three-way handshake connection with the terminal device APP through the best TS server according to the mapped connection relationship, and establishes a data transmission channel.

In addition, in order to achieve the above purpose, the embodiment of the present invention also provides a method for establishing a data transmission channel, which specifically includes:

The control server receives the TS server address request information of the intelligent network storage device and the terminal device APP, and feeds back the best TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rule;

The intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, and the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP.

Preferably, the control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the best TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rules , including:

The terminal device APP sends a request to the control server to obtain the address of the TS server;

The control server feeds back the optimal TS server address to the terminal device APP according to the scheduling rule, and sends a session identification code to the terminal device APP;

The intelligent network storage device sends a request to the control server to obtain the address of the TS server;

The control server feeds back the optimal TS server address to the intelligent network storage device according to the scheduling rule, and issues the same session identification code to the intelligent network storage device.

Preferably, the intelligent network storage device and the terminal device APP establish a connection with the corresponding best TS server according to the address of the best TS server, and the best TS server establishes data for the smart network storage device and the terminal device APP The method of transmission channel, specifically including:

The intelligent network storage device and the terminal device APP respectively establish a TCP three-way handshake with the best TS server;

The optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP;

The optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship.

Preferably, the optimal TS server establishes a mapping connection method for the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP, specifically comprising:

The intelligent network storage device and the terminal device APP respectively send the allocation request to the best TS server, wherein the allocation request includes a universal unique identification code;

After the optimal TS server receives the allocation request, it allocates a mapping port for the intelligent network storage device and the terminal device APP, and stores the mapping port in the Key-Value association structure;

The terminal device APP sends a connection request to the optimal TS server, wherein the connection request includes the session identification code;

The best TS server looks up the port address of the mapping relationship to be established in the Key-Value association structure, and initiates the TCP connection of the intelligent network storage device and the terminal device APP to the mapping port;

The optimal TS server sends a connection response request to the terminal device APP, so that the mapping relationship is successfully established, wherein the connection response request includes a connection identification code attribute field.

Preferably, the method for the best TS server to establish a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship specifically includes:

The optimal TS server sends a connection attempt request to the intelligent network storage device, wherein the connection attempt request includes the connection identification code attribute field;

The intelligent network storage device responds to the attempted connection request, and establishes a TCP three-way handshake connection with the terminal device APP through the best TS server according to the mapped connection relationship, and establishes a data transmission channel.

A system and method for establishing a data transmission channel provided by an embodiment of the present invention selects the optimal TS server through scheduling rules, and establishes a data transmission channel for the intelligent network storage device and the terminal device APP through the optimal TS server, so that the intelligent network storage device And the terminal device APP can quickly transmit data through the data transmission channel with the assistance of the best TS server, which improves the performance of the TS server, saves bandwidth, and reduces memory loss.

In addition, in order to achieve the above object, an embodiment of the present invention also provides an intelligent network storage device, including:

An address request module, configured to send TS server address request information to the control server;

A receiving module, configured to receive the best TS server address fed back by the control server and the issued session identification code;

A connection module, configured to establish a communication connection with the best TS server according to the address of the best TS server and the issued session identification code;

The transmission module is used for data transmission with the terminal equipment through the data transmission channel established by the optimal TS server.

Preferably, the connection module includes an allocation request module, a mapping response module, and a connection response module, wherein:

An allocation request module, configured to send the allocation request to the best TS server;

A mapping response module, configured to receive the mapped port assigned by the best TS server, and respond to the nearest TS server when port mapping is performed;

The connection response module is configured to respond to the nearest TS server according to the mapping relationship when receiving the connection attempt request of the best TS server.

In addition, in order to achieve the above object, the embodiment of the present invention also provides a control server, which is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the best TS server address to the intelligent network according to the scheduling rule Storage device and terminal device APP.

The intelligent network storage device provided by the embodiment of the present invention can quickly perform data transmission with the terminal device in the data transmission channel with the assistance of the TS server.

The control server provided by the embodiment of the present invention can schedule the TS server so that the TS server can establish a data transmission channel so that the intelligent network storage device and the terminal device APP can quickly perform data transmission through the data transmission channel with the assistance of the best TS server .

Description of drawings

Fig. 1 is a structural block diagram of an embodiment of the data transmission channel establishment system of the present invention;

FIG. 2 is a data communication interaction diagram of an implementation mode of establishing a data transmission channel by the data transmission channel establishment system in FIG. 1;

FIG. 3 is a schematic flowchart of a first embodiment of a method for establishing a data transmission channel according to the present invention;

4 is a schematic flowchart of a second embodiment of the method for establishing a data transmission channel according to the present invention;

5 is a schematic flowchart of a third embodiment of a method for establishing a data transmission channel according to the present invention;

6 is a schematic flowchart of a fourth embodiment of a method for establishing a data transmission channel according to the present invention;

FIG. 7 is a structural block diagram of an embodiment of an intelligent network storage device according to the present invention;

Fig. 8 is a structural block diagram of an embodiment of a sub-module of the connection module in Fig. 7 .

Detailed ways

Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

Referring to FIG. 1 , FIG. 1 is a structural block diagram of an embodiment of a system for establishing a data transmission channel according to the present invention.

In this embodiment, the data transmission channel establishment system includes a control server 10 , an intelligent network storage device 20 and a terminal device 30 .

Further, the control server 10 may be a group of far-field control servers, such as an access server (Interface Services, IS), a transportation management system server (Transportation Management System, TMS server) and the like. The intelligent network storage device 20 can be a new generation of intelligent hardware, or a mobile cloud disk, such as the Wanke cloud. The terminal equipment is a mobile intelligent communication terminal, a PC terminal or other intelligent terminals.

Specifically, the intelligent network storage device 20 and the terminal device 30 are respectively connected in communication with the control server 10;

The control server 10 is used to receive the TS server address request information of the application program APP of the intelligent network storage device 20 and the terminal device 30, and feed back the optimal TS server address to the intelligent network storage device 20 and the terminal according to the scheduling rules The application program APP of the device 30 .

Specifically, there may be more than one optimal TS server, and the scheduling rule may be set according to multiple factors such as the area where the TS server is located, network card capability, CPU occupancy rate, and memory usage rate. The specified weight selects the TS server with the highest weight or within the set weight range.

The application program APP of the intelligent network storage device 20 and the terminal device 30 establishes a connection with the corresponding optimal TS server according to the optimal TS server address, and the optimal TS server is the intelligent network storage device 20 and the terminal device The application program APP of 30 establishes a data transmission channel.

The data transmission channel is a transfer channel established by the TS server, and the application program APP of the intelligent network storage device 20 and the terminal device 30 can quickly perform data interaction through the transfer channel, thereby improving the user experience of the terminal device 30 , improving the favorability of human-computer interaction.

For the specific data transmission channel establishment process, please refer to FIG. 2 . FIG. 2 is a data communication interaction diagram of an implementation mode for establishing a data transmission channel by the data transmission channel establishment system in FIG. 1 .

In this data communication interaction diagram, when a data transmission channel needs to be established, the terminal device APP sends a request to the control server to obtain the TS server address, and at the same time, the intelligent network storage device sends a request to the control server to obtain the TS server address. The request server address.

The control server feeds back the optimal TS server address to the terminal device APP according to the scheduling rule, and sends a session identification code to the terminal device APP, and at the same time, the control server feeds back the best TS server address according to the scheduling rule. The optimal TS server address is sent to the intelligent network storage device, and the same session identification code is issued to the intelligent network storage device.

Specifically, there may be more than one optimal TS server, and the scheduling rule may be set according to multiple factors such as the area where the TS server is located, network card capability, CPU occupancy rate, and memory usage rate. The specified weight selects the TS server with the highest weight or within the set weight range.

Further, the session identification code is a unique encrypted key, and the session identification code may be a UUID (Universally Unique Identifier)), which is a globally unique UUID assigned by the control server to the terminal device APP and the intelligent network storage device, The UUID is an identification code, and the same UUID can be issued so that the terminal device APP and the intelligent network storage device can match.

After the control server assigns the best TS server to the terminal device APP and the intelligent network storage device, the best TS server establishes a data transmission channel for the application program APP of the intelligent network storage device 20 and the terminal device 30, specifically including:

First, the intelligent network storage device and the terminal device APP respectively establish a TCP three-way handshake with the optimal TS server. Specifically, the connection is established through the TCP three-way handshake to ensure the normal operation of subsequent communication interactions between the intelligent network storage device, the terminal device APP, and the best TS server.

Then, the optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP, specifically including:

Step 1. The intelligent network storage device and the terminal device APP respectively send distribution requests to the optimal TS server, wherein the distribution requests include a universal unique identification code. Specifically, the Universally Unique Identifier (UUID) has unique identification information, and the distribution request includes the UUID to ensure the uniqueness of the distribution request and prevent confusion.

Step 2: After receiving the allocation request, the optimal TS server allocates mapping ports for the intelligent network storage device and the terminal device APP, and stores the mapping ports in the Key-Value association structure. It should be noted that, after the intelligent network storage device and the terminal device APP are assigned a mapping port, they can request the establishment of a data transmission channel through the mapping port.

Step 3, the terminal device APP sends a connection request to the best TS server, wherein the connection request includes the session identification code, and the session identification code (UUID) is that the control server is the terminal device APP and the smart phone A globally unique UUID assigned by a network storage device.

Obviously, the current terminal device APP and the intelligent network storage device can be identified according to the session identification code (UUID).

Step 4, the best TS server searches the Key-Value association structure for the port address to establish the mapping relationship, and initiates the TCP connection between the intelligent network storage device and the terminal device APP to the mapping port, so that the mapping relationship is successful Establish. Obviously, the Key-Value association structure stores the mapping port.

Specifically, the TCP connection between the best TS server and the mapped port of the intelligent network storage device is a passive connection, that is, once the mapped port is determined, when data transmission occurs, a TCP connection is made through this port, and the best TS server and The TCP connection of the mapped port of the terminal device APP is an active connection, and the terminal device APP needs to send a request, and then the best TS server searches the Key-Value association structure for the port address to establish the mapping relationship, and then performs the TCP connection of the mapped port .

Step 5, the best TS server sends a connection response request to the terminal device APP, so that the mapping relationship is successfully established, wherein the connection response request includes a connection identification code attribute field. Specifically, the attribute field of the connection identification code is an attribute field assigned by the best TS server to the terminal device APP for identifying request information, and provides an identifier for subsequent unique identification with the intelligent network storage device.

In this way, the optimal TS server successfully establishes a mapping connection for the intelligent network storage device and the terminal device APP.

Finally, the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship, and this communication process specifically includes the following:

Step 1, the best TS server sends a connection attempt request to the intelligent network storage device, wherein the connection attempt request includes the connection identification code attribute field, wherein the connection identification code attribute field is the above-mentioned best The attribute field of the connection identification code assigned by the TS server to the terminal device APP is the same, and the intelligent network storage device and the terminal device APP can be matched through the same connection identification code.

Step 2: The intelligent network storage device responds to the attempted connection request, and establishes a TCP three-way handshake connection with the terminal device APP through the best TS server according to the mapped connection relationship, and establishes a data transmission channel, wherein, After the intelligent network storage device and the terminal device APP match through the same connection identification code, a virtual connection can be established through the TCP three-way handshake, and a data transmission channel can be established.

In this way, the optimal TS server successfully establishes a data transmission channel for the intelligent network storage device and the terminal device APP.

After the data transmission channel is established, the data transmission process of the intelligent network storage device and the terminal device APP includes the following:

The intelligent network storage device and the terminal device APP respectively send a binding request to the best TS server, and the binding request includes the connection identification code attribute field. Obviously, the connection identification code attribute field is also the same as the above-mentioned The attribute field of the connection identification code assigned by the optimal TS server to the APP of the terminal device is the same.

The optimal TS server binds the data transmission channel according to the mapping connection, and obtains a single data transmission channel for data communication between the intelligent network storage device and the terminal device APP. Among them, when the binding is successful, the data transmission channel can be used as a transit channel to enable the intelligent network storage device and the terminal device APP to complete data transmission with the assistance of the TS server.

After the intelligent network storage device and the terminal device APP are bound, data transmission can be completed with the assistance of the TS server without sending other requests.

A system for establishing a data transmission channel provided by an embodiment of the present invention selects the best TS server through scheduling rules, and establishes a data transmission channel for the smart network storage device and the terminal device APP through the best TS server, so that the smart network storage device and the terminal The device APP completes fast data transmission through the data transmission channel and with the assistance of the TS server, which improves the performance of the TS server, saves bandwidth, and reduces memory loss.

Referring to FIG. 3 , FIG. 3 is a schematic flowchart of a first embodiment of a method for establishing a data transmission channel according to the present invention.

In step S301, the control server receives the TS server address request information of the intelligent network storage device and the terminal device APP, and feeds back the optimal TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rule.

Specifically, there may be more than one optimal TS server, and the scheduling rule may be set according to multiple factors such as the area where the TS server is located, network card capability, CPU occupancy rate, and memory usage rate. The specified weight selects the TS server with the highest weight or within the set weight range.

In step S302, the smart network storage device and the terminal device APP establish a connection with the corresponding best TS server according to the address of the best TS server, and the best TS server establishes a connection for the smart network storage device and the terminal device APP Data transmission channel.

Specifically, when a data transmission channel needs to be established, the terminal device APP sends a request to the control server to obtain the address of the TS server, and at the same time, the intelligent network storage device sends a request to the control server to obtain the address of the TS server.

The control server feeds back the optimal TS server address to the terminal device APP according to the scheduling rule, and sends a session identification code to the terminal device APP, and at the same time, the control server feeds back the best TS server address according to the scheduling rule. The optimal TS server address is sent to the intelligent network storage device, and the same session identification code is issued to the intelligent network storage device.

Further, the session identification code is a unique encrypted key, and the session identification code may be a UUID, which is a globally unique UUID assigned by the control server to the terminal device APP and the intelligent network storage device, and the UUID is an identity identification code , issuing the same UUID allows the terminal device APP and smart network storage device to match.

The data transmission channel is a transfer channel established by the TS server, and the application program APP of the intelligent network storage device 20 and the terminal device 30 can quickly perform data interaction through the transfer channel, thereby improving the user experience of the terminal device 30 , improving the favorability of human-computer interaction.

A method for establishing a data transmission channel provided by an embodiment of the present invention selects the best TS server through scheduling rules, and establishes a data transmission channel for the smart network storage device and the terminal device APP through the best TS server, so that the smart network storage device and the terminal The device APP completes fast data transmission through the data transmission channel and with the assistance of the TS server, which improves the performance of the TS server, saves bandwidth, and reduces memory loss.

Referring to FIG. 4 , FIG. 4 is a schematic flowchart of a second embodiment of a method for establishing a data transmission channel according to the present invention. Specifically, Fig. 4 shows that the intelligent network storage device and the terminal device APP in Fig. 3 establish a connection with the corresponding optimal TS server according to the address of the optimal TS server, and the optimal TS server is the intelligent network storage device And a schematic diagram of the specific process for establishing the APP data transmission channel of the terminal device.

In step S401, the intelligent network storage device and the terminal device APP respectively establish a TCP three-way handshake with the optimal TS server.

Specifically, a virtual connection is established by establishing a TCP three-way handshake to ensure the normal operation of subsequent communication interactions between the intelligent network storage device, the terminal device APP, and the best TS server.

In step S402, the optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP.

Specifically, mapped connections can be connected through port mapping.

In step S403, the terminal device APP performs a TCP three-way handshake with the intelligent network storage device according to the mapping connection relationship, and establishes a data transmission channel.

Specifically, a virtual connection can be established through the TCP three-way handshake, and a data transmission channel can be established

Preferably, the intelligent network storage device and the terminal APP respectively send a binding request to the best TS server, and the binding request includes the connection identification code attribute field, obviously, the connection identification code attribute field It is also the same as the attribute field of the connection identification code assigned to the terminal device APP by the above-mentioned optimal TS server.

The optimal TS server binds the data transmission channel according to the mapping connection, and obtains a single data transmission channel for data communication between the intelligent network storage device and the terminal device APP. Among them, when the binding is successful, the data transmission channel can be used as a transit channel to enable the intelligent network storage device and the terminal device APP to complete data transmission with the assistance of the TS server.

After the intelligent network storage device and the terminal device APP are bound, data transmission can be completed with the assistance of the TS server without sending other requests.

A method for establishing a data transmission channel provided by an embodiment of the present invention selects the best TS server through scheduling rules and establishes a data transmission channel for the smart network storage device and the terminal device APP through the best TS server, so that the smart network storage device and the terminal device The APP completes fast data transmission through the data transmission channel and with the assistance of the TS server, which improves the performance of the TS server, saves bandwidth, and reduces memory loss.

Referring to FIG. 5 , FIG. 5 is a schematic flowchart of a third embodiment of a method for establishing a data transmission channel according to the present invention. Specifically, FIG. 5 is a schematic flow diagram of establishing a mapping connection for the intelligent network storage device and the terminal device APP by the optimal TS server in FIG. 4 according to the allocation request of the intelligent network storage device and the terminal device APP.

In step S501, the intelligent network storage device and the terminal device APP respectively send the distribution request to the optimal TS server, wherein the distribution request includes a universal unique identification code.

Specifically, the Universally Unique Identifier (UUID) has unique identification information, and the distribution request includes the UUID to ensure the uniqueness of the distribution request and prevent confusion.

In step S502, after receiving the assignment request, the best TS server assigns mapped ports to the intelligent network storage device and the terminal device APP, and stores the mapped ports in the Key-Value association structure.

It should be noted that, after the intelligent network storage device and the terminal device APP are assigned a mapping port, they can request the establishment of a data transmission channel through the mapping port.

In step S503, the terminal device APP sends a connection request to the optimal TS server, wherein the connection request includes the session identification code.

The session identification code (UUID) is the globally unique UUID assigned by the control server to the terminal device APP and the intelligent network storage device before.

Obviously, the current terminal device APP and the intelligent network storage device can be identified according to the session identification code (UUID).

In step S504, the optimal TS server searches the Key-Value association structure for the port address to be mapped, and initiates a TCP connection between the intelligent network storage device and the terminal device APP to the mapped port. Obviously, the Key-Value association structure stores the mapping port.

Specifically, the TCP connection between the best TS server and the mapped port of the intelligent network storage device is a passive connection, that is, once the mapped port is determined, when data transmission occurs, a TCP connection is made through this port, and the best TS server and The TCP connection of the mapped port of the terminal device APP is an active connection, and the terminal device APP needs to send a request, and then the best TS server searches the Key-Value association structure for the port address to establish the mapping relationship, and then performs the TCP connection of the mapped port .

In step S505, the optimal TS server sends a connection response request to the terminal device APP, so that the mapping relationship is successfully established, wherein the connection response request includes a connection identification code attribute field.

Specifically, the attribute field of the connection identification code is an attribute field assigned by the best TS server to the terminal device APP for identifying request information, and provides an identifier for subsequent unique identification with the intelligent network storage device.

Referring to FIG. 6 , FIG. 6 is a schematic flowchart of a fourth embodiment of a method for establishing a data transmission channel according to the present invention. Specifically, FIG. 6 is a schematic flowchart of the best TS server in FIG. 4 establishing a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship.

In step S601, the optimal TS server sends a connection attempt request to the intelligent network storage device, wherein the connection attempt request includes the connection identification code attribute field. Wherein, the attribute field of the connection identification code is the same as the attribute field of the connection identification code assigned to the terminal device APP by the above-mentioned optimal TS server, and the intelligent network storage device and the terminal device APP can be matched through the same connection identification code.

In step S602, the intelligent network storage device and the terminal device APP respectively send a TCP three-way handshake to establish a data transmission channel. Among them, when the intelligent network storage device and the terminal device APP are matched through the same connection identification code, a virtual connection can be established through the TCP three-way handshake, and a data transmission channel can be established.

Preferably, the intelligent network storage device and the terminal APP respectively send a binding request to the best TS server, and the binding request includes the connection identification code attribute field, obviously, the connection identification code attribute field It is also the same as the attribute field of the connection identification code assigned to the terminal device APP by the above-mentioned optimal TS server.

The optimal TS server binds the data transmission channel according to the mapping connection, and obtains a single data transmission channel for data communication between the intelligent network storage device and the terminal device APP. Among them, when the binding is successful, the data transmission channel can be used as a transit channel to enable the intelligent network storage device and the terminal device APP to complete data transmission with the assistance of the TS server.

After the intelligent network storage device and the terminal device APP are bound, data transmission can be completed with the assistance of the TS server without sending other requests.

A method for establishing a data transmission channel provided by an embodiment of the present invention selects the best TS server through scheduling rules, and establishes a data transmission channel for the smart network storage device and the terminal device APP through the best TS server, so that the smart network storage device and the terminal The device APP completes fast data transmission through the data transmission channel and with the assistance of the TS server, which improves the performance of the TS server, saves bandwidth, and reduces memory loss.

Referring to FIG. 7 , FIG. 7 is a structural block diagram of an embodiment of an intelligent network storage device according to the present invention.

In this embodiment, the intelligent network storage device includes an address request module 700 , a receiving module 702 , a connection module 704 and a transmission module 706 .

The address request module 700 is configured to send TS server address request information to the control server.

The receiving module 702 is configured to receive the optimal TS server address fed back by the control server and the issued session identification code.

The connection module 704 is configured to establish a communication connection with the best TS server according to the address of the best TS server and the issued session identification code.

Specifically, there may be more than one optimal TS server, and the scheduling rule may be set according to multiple factors such as the area where the TS server is located, network card capability, CPU occupancy rate, and memory usage rate. The specified weight selects the TS server with the highest weight or within the set weight range.

The transmission module 706 is configured to perform data transmission with the terminal device through the data transmission channel established by the optimal TS server.

Further, referring to FIG. 8 , FIG. 8 is a structural block diagram of an embodiment of a sub-module of the connection module in FIG. 7 .

Specifically, the connection module 704 includes an allocation request module 7040 , a mapping response module 7042 and a connection response module 7044 .

The allocation request module 7040 is configured to send the allocation request to the optimal TS server.

Typically, the assignment request includes a UUID. After receiving the allocation request, the optimal TS server allocates a mapped port for the intelligent network storage device, and stores the mapped port in an associated array.

The mapping response module 7042 is configured to receive the mapping port assigned by the best TS server, and respond to the closest TS server when performing port mapping.

Specifically, the optimal TS server looks up the port address to establish a mapping relationship in the associative array, and initiates a TCP connection between the intelligent network storage device and the mapped port.

The connection response module 7044 is configured to respond to the closest TS server according to the mapping relationship when receiving the connection attempt request of the best TS server.

Specifically, the optimal TS server sends a connection response request to the mobile device APP, so that the mapping relationship is successfully established.

The intelligent network storage device provided by the embodiment of the present invention can quickly perform data transmission with the terminal device in the data transmission channel with the assistance of the TS server.

The control server provided by the embodiment of the present invention can schedule the TS server so that the TS server can establish a data transmission channel so that the intelligent network storage device and the terminal device APP can quickly perform data transmission through the data transmission channel with the assistance of the best TS server .

The above-mentioned embodiment is only a preferred embodiment of the present invention, and cannot be used to limit the protection scope of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (13)

1. A system for establishing a data transmission channel, characterized in that the system includes: Control servers, intelligent network storage devices and terminal devices; The intelligent network storage device and the terminal device are respectively connected in communication with the control server; The control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the best TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rule; The intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, and the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP. 2. A system for establishing a data transmission channel according to claim 1, wherein the control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the information according to the scheduling rules The best TS server address is given to the intelligent network storage device and the terminal device APP, specifically including: The terminal device APP sends a request to the control server to obtain the address of the TS server; The control server feeds back the optimal TS server address to the terminal device APP according to the scheduling rule, and sends a session identification code to the terminal device APP; The intelligent network storage device sends a request to the control server to obtain the address of the TS server; The control server feeds back the optimal TS server address to the intelligent network storage device according to the scheduling rule, and issues the same session identification code to the intelligent network storage device. 3. A system for establishing a data transmission channel according to claim 2, wherein the intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, so The above optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP, specifically including: The intelligent network storage device and the terminal device APP respectively establish a TCP three-way handshake with the best TS server; The optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP; The optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship. 4. A kind of data transmission channel establishment system according to claim 3, it is characterized in that, described best TS server according to the assignment request of described intelligent network storage device and terminal equipment APP, to described intelligent network storage device and The terminal device APP establishes a mapping connection, specifically including: The intelligent network storage device and the terminal device APP respectively send the allocation request to the best TS server, wherein the allocation request includes a universal unique identification code; After the optimal TS server receives the allocation request, it allocates a mapping port for the intelligent network storage device and the terminal device APP, and stores the mapping port in the Key-Value association structure; The terminal device APP sends a connection request to the optimal TS server, wherein the connection request includes the session identification code; The best TS server looks up the port address of the mapping relationship to be established in the Key-Value association structure, and initiates the TCP connection of the intelligent network storage device and the terminal device APP to the mapping port; The optimal TS server sends a connection response request to the terminal device APP, so that the mapping relationship is successfully established, wherein the connection response request includes a connection identification code attribute field. 5. A system for establishing a data transmission channel according to claim 4, wherein the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship, specifically include: The optimal TS server sends a connection attempt request to the intelligent network storage device, wherein the connection attempt request includes the connection identification code attribute field; The intelligent network storage device responds to the attempted connection request, and establishes a TCP three-way handshake connection with the terminal device APP through the best TS server according to the mapped connection relationship, and establishes a data transmission channel. 6. A method for establishing a data transmission channel, characterized in that the method comprises: The control server receives the TS server address request information of the intelligent network storage device and the terminal device APP, and feeds back the best TS server address to the intelligent network storage device and the terminal device APP according to the scheduling rule; The intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, and the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP. 7. A method for establishing a data transmission channel according to claim 6, wherein the control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the information according to the scheduling rules The method for giving the best TS server address to the intelligent network storage device and the terminal device APP, specifically includes: The terminal device APP sends a request to the control server to obtain the address of the TS server; The control server feeds back the optimal TS server address to the terminal device APP according to the scheduling rule, and sends a session identification code to the terminal device APP; The intelligent network storage device sends a request to the control server to obtain the address of the TS server; The control server feeds back the optimal TS server address to the intelligent network storage device according to the scheduling rule, and issues the same session identification code to the intelligent network storage device. 8. A method for establishing a data transmission channel according to claim 7, wherein the intelligent network storage device and the terminal device APP establish a connection with the corresponding optimal TS server according to the optimal TS server address, so The above optimal TS server is established for the intelligent network storage device and terminal device APP data transmission channel, specifically including: The intelligent network storage device and the terminal device APP respectively establish a TCP three-way handshake with the best TS server; The optimal TS server establishes a mapping connection to the intelligent network storage device and the terminal device APP according to the allocation request of the intelligent network storage device and the terminal device APP; The optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship. 9. A method for establishing a data transmission channel according to claim 8, wherein the optimal TS server assigns the intelligent network storage device and the terminal device APP according to the distribution request of the intelligent network storage device and the terminal device APP. The terminal device APP establishes a mapping connection, specifically including: The intelligent network storage device and the terminal device APP respectively send the allocation request to the best TS server, wherein the allocation request includes a universal unique identification code; After the optimal TS server receives the allocation request, it allocates a mapping port for the intelligent network storage device and the terminal device APP, and stores the mapping port in the Key-Value association structure; The terminal device APP sends a connection request to the optimal TS server, wherein the connection request includes the session identification code; The best TS server looks up the port address of the mapping relationship to be established in the Key-Value association structure, and initiates the TCP connection of the intelligent network storage device and the terminal device APP to the mapping port; The optimal TS server sends a connection response request to the terminal device APP, so that the mapping relationship is successfully established, wherein the connection response request includes a connection identification code attribute field. 10. A method for establishing a data transmission channel according to claim 9, wherein the optimal TS server establishes a data transmission channel for the intelligent network storage device and the terminal device APP according to the mapping connection relationship, specifically include: The optimal TS server sends a connection attempt request to the intelligent network storage device, wherein the connection attempt request includes the connection identification code attribute field; The intelligent network storage device responds to the attempted connection request, and establishes a TCP three-way handshake connection with the terminal device APP through the best TS server according to the mapped connection relationship, and establishes a data transmission channel. 11. An intelligent network storage device, characterized in that the device comprises: An address request module, configured to send TS server address request information to the control server; A receiving module, configured to receive the best TS server address fed back by the control server and the issued session identification code; A connection module, configured to establish a communication connection with the best TS server according to the address of the best TS server and the issued session identification code; The transmission module is used for data transmission with the terminal equipment through the data transmission channel established by the optimal TS server. 12. The intelligent network storage device according to claim 11, wherein the connection module includes an allocation request module, a mapping response module, and a connection response module, wherein: An allocation request module, configured to send the allocation request to the best TS server; A mapping response module, configured to receive the mapped port assigned by the best TS server, and respond to the nearest TS server when port mapping is performed; The connection response module is configured to respond to the closest TS server according to the mapping relationship when receiving the connection attempt request of the best TS server. 13. A control server, characterized in that the control server is used to receive the TS server address request information of the intelligent network storage device and the terminal device APP, and feed back the best TS server address to the intelligent network storage device according to the scheduling rules And terminal equipment APP.