Multi-path transmission method and device based on SCTP-CMT transmission protocol

A technology of multi-path transmission and transmission protocol, which is applied in the field of multi-path transmission methods and equipment, and can solve problems such as data congestion in the buffer area of ​​the receiving end.

Inactive Publication Date: 2019-07-16
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0006] The embodiment of the present invention provides a multi-path transmission method and equipment based on the SCTP-CMT transmission protocol, which is used to solve the problem in the prior art that the utilization rate of the SCTP-CMT channel is increased, resulting in data blockage in the buffer area of ​​the receiving end

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  • Multi-path transmission method and device based on SCTP-CMT transmission protocol
  • Multi-path transmission method and device based on SCTP-CMT transmission protocol
  • Multi-path transmission method and device based on SCTP-CMT transmission protocol

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0034] Existing multi-path routing algorithms automatically allocate data packets according to the transmission efficiency of transmission paths, and minimize the number of backlogged packets in each transmission path. However, the processing of this method on the buffer at the receiving end is still slightly insufficient. The sending rate of each...

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Abstract

The embodiment of the invention provides a multi-path transmission method and device based on an SCTP-CMT transmission protocol. The method comprises the following steps: according to the number of path groups and the transmission stability of each path group, sending grouped data packets through each path group respectively; wherein the path group comprises one or more transmission paths; and ifit is judged that the cache data volume of the receiving end exceeds the specified cache threshold value, reducing the data transmission rate of one or more path groups, or pausing the data transmission of one or more path groups. Due to the fact that more transmission links are used, the data transmission amount is increased, the transmission pressure of each link is reduced, and the data sendingefficiency can be improved. Meanwhile, when the cache of the receiving end is too large, rate control can be carried out according to the cache data size of the receiving end, and the problems that acache region of the receiving end is blocked due to the too large data size, the data receiving efficiency is reduced, and the efficiency of a whole communication link is influenced are solved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a multi-path transmission method and equipment based on the SCTP-CMT transmission protocol. Background technique [0002] With the rapid development of science and technology in the times, the requirements for network communication quality are getting higher and higher, and higher requirements are put forward for the speed, accuracy and real-time performance of data transmission. The emergence of the streaming media transmission protocol SCTP makes up for the shortcomings of the single host of the TCP protocol, and it can provide stable and orderly data transmission services between two endpoints. SCTP is actually a connection-oriented protocol, but the concept of SCTP coupling has a wider concept than TCP connection. SCTP has made some improvements to the defects of TCP, making signaling transmission more reliable. SCTP's Designs include proper congestion control, protec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/707H04L12/801H04L12/825H04L45/24
CPCH04L45/24H04L47/12H04L47/25H04L47/29
Inventor 张洪欣徐传旭孙丹丹
Owner BEIJING UNIV OF POSTS & TELECOMM
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