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CN109756466A - Shared data transmission protocol SDTP message transmission method and network device - Google Patents

Shared data transmission protocol SDTP message transmission method and network device Download PDF

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Publication number
CN109756466A
CN109756466A CN201711084752.0A CN201711084752A CN109756466A CN 109756466 A CN109756466 A CN 109756466A CN 201711084752 A CN201711084752 A CN 201711084752A CN 109756466 A CN109756466 A CN 109756466A
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China
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sdtp
message
fragmented
packet
packets
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Chinese (zh)
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吕品
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China Mobile Communications Group Co Ltd
China Mobile Communication Co Ltd
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China Mobile Communications Group Co Ltd
China Mobile Communication Co Ltd
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Priority to CN201711084752.0A priority Critical patent/CN109756466A/en
Publication of CN109756466A publication Critical patent/CN109756466A/en
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Abstract

本发明提供了一种共享数据传输协议SDTP消息传输方法及网络设备,应用于源节点,其方法包括:获取待传输的原始信令的至少两个分片包;根据至少两个分片包,生成待传输的共享数据传输协议SDTP消息;其中,SDTP消息包括:至少两个分片包中一个分片包的包头以及每个分片包的包体;将SDTP消息发送至目标节点。本发明在待传输原始信令为分片信令,即原始信令包括至少两个分片包时,将至少两个分片包中一个分片包的包头以及每个分片包的包体封装在一个待传输SDTP消息中发送至目标节点,这样无需每个分片包均携带包头,可节省SDTP消息的传输带宽,提高网络传输带宽的利用率。

The present invention provides a shared data transmission protocol SDTP message transmission method and network device, which are applied to a source node. The method includes: acquiring at least two fragmented packets of the original signaling to be transmitted; according to the at least two fragmented packets, A shared data transmission protocol SDTP message to be transmitted is generated; wherein the SDTP message includes: a header of one of the at least two fragmented packets and a packet body of each fragmented packet; and the SDTP message is sent to the target node. In the present invention, when the original signaling to be transmitted is fragmented signaling, that is, the original signaling includes at least two fragmented packets, the packet header of one fragmented packet and the packet body of each fragmented packet among the at least two fragmented packets It is encapsulated in an SDTP message to be transmitted and sent to the target node, so that each fragmented packet does not need to carry a packet header, which can save the transmission bandwidth of SDTP messages and improve the utilization rate of network transmission bandwidth.

Description

Shared data transmission agreement SDTP method for message transmission and the network equipment
Technical field
The present invention relates to field of communication technology more particularly to a kind of shared data transmission agreement SDTP method for message transmission and The network equipment.
Background technique
Existing mobile communication system planning is the framework thought based on functional stratification, as shown in Figure 1, existing system has Body is responsible for acquiring all correlations from core net by uniform depth packet check (Deep Packet Inspection, DPI) system Interface data, then by synthesis module carry out data verification, backfill and synthesis, finally by shared data transmission agreement Data are reported to application system or received by the IF2 interface in (Shared Data Transfer Protocol, SDTP) to be applied The reverse data of system is inquired.Wherein, IF2 interface is the sole criterion approach of application system Yu DPI system interaction, a province Generally there was only a set of DPI system, this DPI system can dock multiple application systems, and IF2 interface will efficiently improve application system Value, also can further embody the value of DPI system.
Specifically, as shown in Fig. 2, SDTP protocol stack is divided into: bearing bed, transport layer and application layer.Wherein, bearing bed IP Layer, is mainly used for providing reliable data transmission channel.Transport layer includes: transmission control protocol (Transmission Control Protocol, TCP) layer and SDTP layers, it is mainly used for providing general Data Transport Protocol for upper layer application.Using (Application, APP) layer is mainly used for package outside data (External Data Representation, XDR) or original Beginning signaling code stream.
Wherein, as shown in table 1, the original signaling of following message type transfers can be used in SDTP message:
Table 1
Further, a SDTP message can carry multiple original signalings, can also only carry an original signaling, The general packet header SDTP carries the link information and timestamp in practical packet capturing network, wherein when SDTP transmits original signaling Message format, such as the corresponding message format of 0x8006 are as shown in table 2:
Table 2
Original signaling code stream is transmitted based on existing SDTP agreement, is IP packet fragmentation packet in the network packet that DPI system acquisition arrives When, the general packet header SDTP, Ethernet, IP, TCP header etc. calculate are as follows: 14+14+20+20=according to the most common situation 68Bytes.Letter is requested for the session initiation protocol (Session Initiation Protocol, SIP) of three fragment It enables, these heads need to repeat transmission 3 times, to waste 2*68Bytes=126Bytes.And a SIP call establishment, it is corresponding Source code flow may to have 2 to 3 message (such as: Invite, 180,183, Update, 200) be fragment, that is to say, that it is primary SIP calling will waste the bandwidth of about 400Bytes in the corresponding source code signaling flow in the collection point of an interface.Assuming that one There is 20,000,000 super voice long term evolution (Voice over Long Term Evolution, VoLTE) user in province, daily Calling ticket amount is probably 2,000,000,000,000 (multiplex roles), and the bandwidth of waste is about 80G, when DPI system needs to answer to multiple simultaneously When transmitting original signaling with system, this bandwidth waste can increase at double.Therefore, DPI system acquisition to network packet be When IP packet fragmentation packet, the efficiency of agreement is relatively low, wherein the general packet header SDTP and original signaling itself Ethernet, IP, TPC/UDP/SCTP head, even virtual LAN (Virtual Local Area Network, VLAN) marking head and The package safety load of Internet protocol safety (Internet Protocol Security, IPSec) The head (Encapsulate Security Payload, ESP) can repeat to transmit, there are bulk redundancy, cause network bandwidth and The waste of computing resource.
Summary of the invention
The present invention provides a kind of shared data transmission agreement SDTP method for message transmission and the network equipment, solves traditional The problem of network bandwidth and computing resource waste in SDTP protocol signaling transmission process.
The embodiment of the present invention provides a kind of shared data transmission agreement SDTP method for message transmission, is applied to source node, Include:
Obtain at least two fragment packets of original signaling to be transmitted;
According at least two fragment packets, shared data transmission agreement SDTP message to be transmitted is generated;Wherein, SDTP message It include: the backpack body of the packet header of fragment packets and each fragment packets at least two fragment packets;
SDTP message is sent to destination node.
Wherein, packet header includes: the general head of SDTP, Ethernet Ethernet, IP and TCP header.
Wherein, SDTP message includes: SDTP message header and SDTP message body, and SDTP message body includes: at least two fragments The backpack body of the packet header of fragment packets and each fragment packets in packet.
Wherein, according at least two fragment packets, the step of generating shared data transmission agreement SDTP message to be transmitted, packet It includes:
The backpack body of first fragment packets in packet header and at least two fragment packets is encapsulated as first source code flow frame;
Successively other fragment backpack bodies at least two fragment packets are packaged according to preset order, are generated to be transmitted SDTP message;Wherein, other fragment packets are the fragment packets at least two fragment packets in addition to first fragment packets.
Wherein, according at least two fragment packets, the step of generating shared data transmission agreement SDTP message to be transmitted, also Include:
According at least two fragment packets, segmental identification information is determined;Wherein, segmental identification information is used to indicate original signaling For fragment signaling;
By segmental identification Information encapsulation in SDTP message.
The embodiment of the invention also provides a kind of network equipments, are applied to source node, comprising:
Module is obtained, for obtaining at least two fragment packets of original signaling to be transmitted;
Generation module, for generating shared data transmission agreement SDTP message to be transmitted according at least two fragment packets; Wherein, SDTP message includes: the backpack body of the packet header of fragment packets and each fragment packets at least two fragment packets;
Sending module, for SDTP message to be sent to destination node.
Wherein, packet header includes: the general head of SDTP, Ethernet Ethernet, IP and TCP header.
Wherein, SDTP message includes: SDTP message header and SDTP message body, and SDTP message body includes: at least two fragments The backpack body of the packet header of fragment packets and each fragment packets in packet.
Wherein, generation module includes:
First encapsulation unit, for the backpack body of first fragment packets in packet header and at least two fragment packets to be encapsulated as One source code flow frame;
Second encapsulation unit, for successively being carried out to other fragment backpack bodies at least two fragment packets according to preset order Encapsulation, generates SDTP message to be transmitted;Wherein, other fragment packets be at least two fragment packets in addition to first fragment packets Fragment packets.
Wherein, generation module further include:
Determination unit, for determining segmental identification information according at least two fragment packets;Wherein, segmental identification information is used In indicating that original signaling is fragment signaling;
Third encapsulation unit is used for segmental identification Information encapsulation in SDTP message.
The embodiment of the invention also provides a kind of network equipment, the network equipment includes processor, memory and is stored in On memory and the computer program that can run on a processor, processor realize above-mentioned shared number when executing computer program According to the step in transport protocol SDTP method for message transmission.
The embodiment of the invention also provides a kind of computer readable storage medium, it is stored on computer readable storage medium Computer program realizes above-mentioned shared data transmission agreement SDTP method for message transmission when computer program is executed by processor The step of.
The beneficial effect of above-mentioned technical proposal of the invention is: when original signaling to be transmitted is fragment signaling, i.e., original letter It enables when including at least two fragment packets, by the packet header of fragment packets at least two fragment packets and the backpack body of each fragment packets It is encapsulated in a SDTP message to be transmitted and is sent to destination node, carry packet header without each fragment packets in this way, can save The transmission bandwidth of SDTP message improves the utilization rate of network transmission bandwidth.
Detailed description of the invention
Fig. 1 shows the networking relation schematic diagrams between application system, DPI system, VoLTE network;
The interface diagram of original signaling transfer protocol stack of Fig. 2 expression based on SDTP;
Fig. 3 indicates the flow diagram of SDTP method for message transmission in the embodiment of the present invention;
Fig. 4 indicates the module diagram of the network equipment of the embodiment of the present invention;
The network equipment block diagram of Fig. 5 expression embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction " in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention Process constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information Determine B.
As shown in figure 3, being answered the embodiment provides a kind of shared data transmission agreement SDTP method for message transmission For source node, specifically includes the following steps:
Step 31: obtaining at least two fragment packets of original signaling to be transmitted.
It here is to say, when original signaling to be transmitted is fragment signaling, original signaling includes at least two fragment packets.
Step 32: according at least two fragment packets, generating shared data transmission agreement SDTP message to be transmitted.
Wherein, SDTP message includes: the packet of the packet header of fragment packets and each fragment packets at least two fragment packets Body.Since SDTP message can carry an original signaling, multiple original signalings can also be carried.For carrying an original letter When enabling, when especially carrying a fragment signaling, source node can generate one according at least two fragment packets in fragment signaling SDTP message.In order to improve efficiency of transmission, the mode that at least two fragment packets are multiplexed to same packet header can be used, to reduce SDTP The data volume of message.For example, for the signaling of three fragment packets, it is assumed that the packet header of single fragment packets is 68 bytes (bytes), It needs to send three times if the packet header of each fragment repeats to send, i.e. 68*3=204 byte.It is incited somebody to action using in the embodiment of the present invention Three fragment packets are multiplexed the mode in same packet header, then only need to send packet header once, i.e. 68 bytes can save 68*2=136 in this way Byte.
Step 33: SDTP message is sent to destination node.
The SDTP message of generation is sent to destination node, to realize the interaction of SDTP message.Wherein it is worth noting that, Source node and destination node are network node, and identity can be interchanged, that is to say, that when first network node is to the second network When node sends SDTP message, first network node is source node, and the second network node is destination node;When the second network node When sending SDTP message to first network node, first network node is destination node, and the second network node is source node.
Wherein, the packet header of above-mentioned fragment packets includes: the general head of SDTP, Ethernet Ethernet, IP and TCP header.
Further, above-mentioned SDTP message includes: SDTP message header (Message header) and SDTP message body (Message body), SDTP message body include: the packet header of fragment packets and each fragment packets at least two fragment packets Backpack body.Wherein, the packet header of fragment packets includes: the general head of SDTP, Ethernet Ethernet, IP and TCP header.Fragment packets Backpack body includes the data carried in fragment packets, such as SIP, Diameter layer message.
Wherein, above-mentioned steps 32 can specifically be realized by following steps: by first in packet header and at least two fragment packets The backpack body of a fragment packets is encapsulated as first source code flow frame;According to preset order successively to other at least two fragment packets Fragment backpack body is packaged, and generates SDTP message to be transmitted.Wherein, other fragment packets are that first is removed at least two fragment packets Fragment packets except a fragment packets.That is, when original signaling to be transmitted includes at least two fragment packets, multiplexing first The general head of the SDTP of a fragment, Ethernet, IP and TCP header, successive fragment packet no longer transmits these packet header, to avoid net The waste of network bandwidth.
Further, in order to further avoid the wasting of resources, step 32 further include: according at least two fragment packets, determine Segmental identification information;Wherein, it is fragment signaling that segmental identification information, which is used to indicate original signaling,;By segmental identification Information encapsulation in In SDTP message.That is, increasing segmental identification field in SDTP message, such destination node passes through SDTP receiving When the original signaling that message transmits, it is no longer necessary to be deep into inside IP header field and go to judge whether these packets are fragment packets, only From the segmental identification field of external SDTP message it is known that is received is fragment packets, then frament reassembling can be directly carried out, Avoid the waste of computing resource.
Specifically, SDTP message format can refer to shown in table 3:
Table 3
Original signaling code stream is transmitted based on existing SDTP agreement, is IP packet fragmentation packet in the network packet that DPI system acquisition arrives When, the general packet header SDTP, Ethernet, IP, TCP header etc. calculates according to the most common situation are as follows: 14+14+20+20= 68Bytes.For the SIP request signaling of three fragments, using the packet for being multiplexed first fragment packets in the embodiment of the present invention The mode of head, can save 2*68Bytes=126Bytes.And a SIP call establishment, corresponding source code flow may have 2 to 3 message are fragments, that is to say, that SIP calling the corresponding source code signaling flow in the collection point of an interface just The bandwidth of about 400Bytes can be saved.Assuming that there is 20,000,000 VoLTE user in a province, daily calling ticket amount is probably 2000000000000, the bandwidth of saving is about 80G.Further, if DPI system is needed while being transmitted to multiple application systems original When signaling, increase at double can largely be saved network bandwidth by the bandwidth of saving in this way, improve the utilization of network bandwidth Rate.
In the shared data transmission agreement SDTP method for message transmission of the embodiment of the present invention, when original signaling to be transmitted is point Piece signaling, i.e., when original signaling includes at least two fragment packets, by the packet header of fragment packets at least two fragment packets and The backpack body of each fragment packets is encapsulated in a SDTP message to be transmitted and is sent to destination node, equal without each fragment packets in this way Packet header is carried, the transmission bandwidth of SDTP message can be saved, improve the utilization rate of network transmission bandwidth.
Just shared data transmission agreement SDTP method for message transmission of the invention makes introduction to above embodiments respectively, below The present embodiment will be described further its corresponding network equipment in conjunction with attached drawing.
Specifically, as shown in figure 4, the network equipment 400 of the embodiment of the present invention, is applied to source node, comprising:
Module 410 is obtained, for obtaining at least two fragment packets of original signaling to be transmitted;
Generation module 420, for generating shared data transmission agreement SDTP to be transmitted and disappearing according at least two fragment packets Breath;Wherein, SDTP message includes: the backpack body of the packet header of fragment packets and each fragment packets at least two fragment packets;
Sending module 430, for SDTP message to be sent to destination node.
Wherein, packet header includes: the general head of SDTP, Ethernet Ethernet, IP and TCP header.
Wherein, SDTP message includes: SDTP message header and SDTP message body, and SDTP message body includes: at least two fragments The backpack body of the packet header of fragment packets and each fragment packets in packet.
Wherein, generation module 420 includes:
First encapsulation unit, for the backpack body of first fragment packets in packet header and at least two fragment packets to be encapsulated as One source code flow frame;
Second encapsulation unit, for successively being carried out to other fragment backpack bodies at least two fragment packets according to preset order Encapsulation, generates SDTP message to be transmitted;Wherein, other fragment packets be at least two fragment packets in addition to first fragment packets Fragment packets.
Wherein, generation module 420 further include:
Determination unit, for determining segmental identification information according at least two fragment packets;Wherein, segmental identification information is used In indicating that original signaling is fragment signaling;
Third encapsulation unit is used for segmental identification Information encapsulation in SDTP message.
Network equipment embodiment of the invention is, the institute in above method embodiment corresponding with the embodiment of the above method There is realization rate suitable for the embodiment of the network equipment, can also reach identical technical effect.The network equipment to Transmitting original signaling is fragment signaling, i.e., when original signaling includes at least two fragment packets, by one at least two fragment packets The backpack body of the packet header of fragment packets and each fragment packets is encapsulated in a SDTP message to be transmitted and is sent to destination node, in this way Packet header is carried without each fragment packets, the transmission bandwidth of SDTP message can be saved, improves the utilization rate of network transmission bandwidth.
In order to preferably realize above-mentioned purpose, as shown in figure 5, the embodiments of the present invention also provide a kind of network equipment, The network equipment includes: processor 500;The memory 520, Yi Jitong being connected by bus interface with the processor 500 Cross the transceiver 510 that bus interface is connected with processor 500;The memory 520 is being executed for storing the processor Used program and data when operation;Data information or pilot tone are sent by the transceiver 510, also passes through the transmitting-receiving Machine 510 receives uplink control channel;When processor 500 calls and executes the program and data stored in the memory 520 When, realize following functional module:
Processor 500 is used to read the program in memory 520, executes following process: obtaining original signaling to be transmitted At least two fragment packets;According at least two fragment packets, shared data transmission agreement SDTP message to be transmitted is generated;Its In, SDTP message includes: the backpack body of the packet header of fragment packets and each fragment packets at least two fragment packets.
Transceiver 510, for sending and receiving data under control of the processor 500, specifically for sending out SDTP message It send to destination node.
Wherein, in Fig. 5, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 500 The various circuits for the memory that the one or more processors and memory 520 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 510 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.Processor 500, which is responsible for management bus architecture and common processing, memory 520, can store processor 500 and is executing operation When used data.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method;And the computer program can store in a readable storage medium storing program for executing, storage medium It may be any type of storage medium.
In addition it should be pointed out that in the apparatus and method of the present invention, it is clear that each component or each step are can to divide It solves and/or reconfigures.These, which decompose and/or reconfigure, should be regarded as equivalent scheme of the invention.Also, execute above-mentioned system The step of column processing, can execute according to the sequence of explanation in chronological order naturally, but not need centainly suitable according to the time Sequence executes, and certain steps can execute parallel or independently of one another.For those of ordinary skill in the art, it is to be understood that this The whole or any steps or component of the method and apparatus of invention, can any computing device (including processor, storage Medium etc.) perhaps to be realized with hardware, firmware, software or their combination in the network of computing device, this is this field Basic programming skill of the those of ordinary skill in the case where having read explanation of the invention with them can be achieved with.
Therefore, the purpose of the present invention can also by run on any computing device a program or batch processing come It realizes.The computing device can be well known fexible unit.Therefore, the purpose of the present invention can also include only by offer The program product of the program code of the method or device is realized to realize.That is, such program product is also constituted The present invention, and the storage medium for being stored with such program product also constitutes the present invention.Obviously, the storage medium can be Any well known storage medium or any storage medium that developed in the future.It may also be noted that of the invention In device and method, it is clear that each component or each step can be decomposed and/or be reconfigured.These decomposition and/or again group Conjunction should be regarded as equivalent scheme of the invention.Also, the step of executing above-mentioned series of processes can be naturally according to the sequence of explanation It executes in chronological order, but does not need centainly to execute sequentially in time.Certain steps can parallel or independently of one another It executes.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (12)

1.一种共享数据传输协议SDTP消息传输方法,应用于源节点,其特征在于,包括:1. a shared data transfer protocol SDTP message transmission method, applied to a source node, is characterized in that, comprising: 获取待传输的原始信令的至少两个分片包;Obtain at least two fragmented packets of the original signaling to be transmitted; 根据所述至少两个分片包,生成待传输的共享数据传输协议SDTP消息;其中,所述SDTP消息包括:所述至少两个分片包中一个分片包的包头以及每个分片包的包体;According to the at least two fragmented packets, a shared data transmission protocol SDTP message to be transmitted is generated; wherein, the SDTP message includes: a packet header of one fragmented packet in the at least two fragmented packets and each fragmented packet the package body; 将所述SDTP消息发送至目标节点。The SDTP message is sent to the target node. 2.根据权利要求1所述的共享数据传输协议SDTP消息传输方法,其特征在于,所述包头包括:SDTP通用头、以太网Ethernet头、IP头和TCP头。2. The shared data transmission protocol SDTP message transmission method according to claim 1, wherein the packet header comprises: SDTP general header, Ethernet header, IP header and TCP header. 3.根据权利要求1所述的共享数据传输协议SDTP消息传输方法,其特征在于,所述SDTP消息包括:SDTP消息头和SDTP消息体,所述SDTP消息体包括:所述至少两个分片包中一个分片包的包头以及每个分片包的包体。3. The shared data transmission protocol SDTP message transmission method according to claim 1, wherein the SDTP message comprises: an SDTP message header and an SDTP message body, and the SDTP message body comprises: the at least two fragments The header of a fragmented packet in the packet and the body of each fragmented packet. 4.根据权利要求3所述的共享数据传输协议SDTP消息传输方法,其特征在于,所述根据所述至少两个分片包,生成待传输的共享数据传输协议SDTP消息的步骤,包括:4. shared data transmission protocol SDTP message transmission method according to claim 3, is characterized in that, described according to described at least two fragmentation packets, the step of generating shared data transmission protocol SDTP message to be transmitted, comprises: 将所述包头和所述至少两个分片包中的第一个分片包的包体封装为第一个原始码流帧;encapsulating the packet header and the packet body of the first fragmented packet in the at least two fragmented packets as the first original code stream frame; 按照预设顺序依次对所述至少两个分片包中的其他分片包体进行封装,生成待传输的SDTP消息;其中,所述其他分片包为所述至少两个分片包中除第一个分片包之外的分片包。The other fragmented packets in the at least two fragmented packets are encapsulated in sequence according to the preset order to generate the SDTP message to be transmitted; wherein, the other fragmented packets are those except the at least two fragmented packets. Fragmented packets other than the first fragmented packet. 5.根据权利要求1所述的共享数据传输协议SDTP消息传输方法,其特征在于,所述根据所述至少两个分片包,生成待传输的共享数据传输协议SDTP消息的步骤,还包括:5. shared data transmission protocol SDTP message transmission method according to claim 1, is characterized in that, described according to described at least two fragmentation packets, the step of generating shared data transmission protocol SDTP message to be transmitted, also comprises: 根据所述至少两个分片包,确定分片标识信息;其中,所述分片标识信息用于指示所述原始信令为分片信令;Determine fragment identification information according to the at least two fragmented packets; wherein, the fragment identification information is used to indicate that the original signaling is fragmented signaling; 将所述分片标识信息封装于SDTP消息中。The fragment identification information is encapsulated in an SDTP message. 6.一种网络设备,应用于源节点,其特征在于,包括:6. A network device, applied to a source node, is characterized in that, comprising: 获取模块,用于获取待传输的原始信令的至少两个分片包;an acquisition module for acquiring at least two fragmented packets of the original signaling to be transmitted; 生成模块,用于根据所述至少两个分片包,生成待传输的共享数据传输协议SDTP消息;其中,所述SDTP消息包括:所述至少两个分片包中一个分片包的包头以及每个分片包的包体;A generating module, configured to generate a shared data transmission protocol SDTP message to be transmitted according to the at least two fragmented packets; wherein the SDTP message includes: a packet header of a fragmented packet in the at least two fragmented packets and The body of each fragmented packet; 发送模块,用于将所述SDTP消息发送至目标节点。A sending module, configured to send the SDTP message to the target node. 7.根据权利要求6所述的网络设备,其特征在于,所述包头包括:SDTP通用头、以太网Ethernet头、IP头和TCP头。7 . The network device according to claim 6 , wherein the packet header comprises: an SDTP general header, an Ethernet header, an IP header and a TCP header. 8 . 8.根据权利要求6所述的网络设备,其特征在于,所述SDTP消息包括:SDTP消息头和SDTP消息体,所述SDTP消息体包括:所述至少两个分片包中一个分片包的包头以及每个分片包的包体。8. The network device according to claim 6, wherein the SDTP message comprises: an SDTP message header and an SDTP message body, and the SDTP message body comprises: one fragmented packet in the at least two fragmented packets The header and the body of each fragmented packet. 9.根据权利要求8所述的网络设备,其特征在于,所述生成模块包括:9. The network device according to claim 8, wherein the generating module comprises: 第一封装单元,用于将所述包头和所述至少两个分片包中的第一个分片包的包体封装为第一个原始码流帧;a first encapsulation unit, configured to encapsulate the packet header and the packet body of the first fragmented packet in the at least two fragmented packets into a first original code stream frame; 第二封装单元,用于按照预设顺序依次对所述至少两个分片包中的其他分片包体进行封装,生成待传输的SDTP消息;其中,所述其他分片包为所述至少两个分片包中除第一个分片包之外的分片包。The second encapsulation unit is configured to encapsulate other fragmented packets in the at least two fragmented packets in sequence according to a preset sequence, and generate an SDTP message to be transmitted; wherein, the other fragmented packets are the at least two fragmented packets. Fragmented packets except the first fragmented packet of the two fragmented packets. 10.根据权利要求6所述的网络设备,其特征在于,所述生成模块还包括:10. The network device according to claim 6, wherein the generating module further comprises: 确定单元,用于根据所述至少两个分片包,确定分片标识信息;其中,所述分片标识信息用于指示所述原始信令为分片信令;a determining unit, configured to determine fragmentation identification information according to the at least two fragmented packets; wherein the fragmentation identification information is used to indicate that the original signaling is fragmentation signaling; 第三封装单元,用于将所述分片标识信息封装于SDTP消息中。A third encapsulation unit, configured to encapsulate the fragment identification information in an SDTP message. 11.一种网络设备,其特征在于,所述网络设备包括处理器、存储器以及存储于存储器上并可在处理器上运行的计算机程序,处理器执行计算机程序时实现权利要求1至5中任一项所述的共享数据传输协议SDTP消息传输方法中的步骤。11. A network device, characterized in that the network device comprises a processor, a memory, and a computer program stored on the memory and running on the processor, and the processor implements any one of claims 1 to 5 when the processor executes the computer program. A step in the shared data transmission protocol SDTP message transmission method. 12.一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序,计算机程序被处理器执行时实现权利要求1至5中任一项所述的共享数据传输协议SDTP消息传输方法的步骤。12. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the shared data transmission described in any one of claims 1 to 5 is realized The steps of the protocol SDTP message transmission method.
CN201711084752.0A 2017-11-07 2017-11-07 Shared data transmission protocol SDTP message transmission method and network device Pending CN109756466A (en)

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