Packet compressed transmitting and received de-compression method and system based on multilink

A sending method and message receiving technology, applied in transmission systems, digital transmission systems, telephone communications, etc., can solve the problems of increased message transmission delay, occupied transmission overhead, and low transmission efficiency, so as to improve reliability and efficiency , the number limit is reduced, and the effect of improving reliability

Inactive Publication Date: 2008-06-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] To sum up, the defects of the multi-link bundling technology in the prior art are: when the number of physical links is too large, the transmission efficiency is low, the message transmission delay increases, and the reliability is poor; The packet header needs to contain additional overhead, such as the MP packet header, which occupies a certain byte transmission overhead

Method used

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  • Packet compressed transmitting and received de-compression method and system based on multilink
  • Packet compressed transmitting and received de-compression method and system based on multilink

Examples

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Embodiment 1

[0051] As shown in Figure 1, it is a flow chart of a specific embodiment 1 of the method for compressing and sending messages based on multi-links in the present invention. After each physical link joins the multi-link binding interface of the message compression sending device, it becomes its member link. The message compression sending device may further include a control module. The method of this embodiment can be used in the message compression sending device Under the control of the control module, the compression and sending operations of the message are executed. In this embodiment, the cRTP parameter is used to perform the compression of the message, including the following steps:

[0052] Step A1, a member link in the bundled multi-link obtains the message to be sent from the control module of the message compression sending device;

[0053] Step A2, the member link queries its own cRTP parameters, and performs a message compression operation on the message according...

Embodiment 2

[0066] The difference between Embodiment 2 and Embodiment 1 of the multi-link-based message compression sending method of the present invention is that in step A1′, the message compression sending device sets a member link to send the message. The specific implementation method is as follows: The message compression sending device detects and compares the status of each member link in the bundled multi-link, and sets a member link to forward the message according to the comparison result.

[0067] There are many specific ways to detect and compare member link states, and one of the better implementation ways is:

[0068] Step A11a, the message compression sending device detects the transmission bandwidth occupancy rate of each member link in the bundled multi-link, that is, detects its transmission capability;

[0069] Step A12a, the message compression sending device compares the transmission bandwidth occupancy rate of each member link, and sets a transmission bandwidth occu...

Embodiment 3

[0076] The difference between Embodiment 3 and Embodiment 1 of the method for compressing and sending messages based on multi-links of the present invention is that in step A1′, the device for compressing and sending messages sets a member link in the bundled multi-links to send the message The specific implementation method is:

[0077]The message compression sending device collects the attribute value of the message to be sent, correspondingly collects the corresponding attribute value of each member link in the bundled multi-link, and uses the collected message attribute value and member link attribute value according to the set matching rules Perform a matching operation, and set a member link to send the message according to the matching result.

[0078] The collection steps of the above technical solution are specifically to collect the source IP address, destination IP address, source port number, destination port number and / or synchronization source identifier (SSRC fo...

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Abstract

The invention relates to a message compressing transmission and receiving decompression method based on multilink, a member link and message forwarding system based on multilink. The compressing transmission method including the following steps: a member link of a multilink is bound to obtain a message; a self message compression parameter is inquired to execute message compression operation; finally, the compressed message is transmitted. The receiving decompression method including the following steps: a member link of the multilink is bound to receive the compressed message; moreover, the self message compression parameter is inquired to execute decompression operation. The member link comprises a message acquisition module, a memory module, a compressing module and a transmitting module; the message forwarding system comprises a control module, a first member link and a second member link. The invention, which can adapt to the requirements of compressing transmission and receiving decompression of message transmission under the condition of multilink, reduces message header byte number, thereby saving transmission cost.

Description

technical field [0001] The present invention relates to a multi-link-based message compression sending and receiving decompression method, a multi-link-based member link and a message forwarding system, in particular to a method suitable for multi-link bundling and using compressed real-time message The transmission protocol compresses the message and sends it, and the method for decompressing the compressed message after receiving the compressed message also relates to a multi-link-based member link and message forwarding system. Background technique [0002] In voice-over-IP services, the Real-time Transport Protocol (RTP) is usually used for packet transmission, and the header of each packet needs to occupy nearly 40 bytes. The voice data in the text is generally less than 30 bytes. In this way, the overhead of the message header is too large, making the transmission efficiency low. Based on this problem, relevant organizations have developed a series of standards to so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L29/08H04M7/00
Inventor 杨平安
Owner HUAWEI TECH CO LTD
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