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A method and device for congestion control based on mptcp

A congestion control and sub-flow technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve the problem of low accuracy, achieve smooth changes in network throughput, take into account fairness, and improve link utilization. Effect

Active Publication Date: 2019-03-22
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, MPTCP uses whether ACK is received as the basis for congestion judgment. This method is simple but the accuracy is not high. Therefore, a new congestion control method is needed.

Method used

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  • A method and device for congestion control based on mptcp
  • A method and device for congestion control based on mptcp
  • A method and device for congestion control based on mptcp

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0037] figure 1 It is a schematic flow chart of an embodiment of the MPTCP-based congestion control method according to the present invention, such as figure 1 Shown:

[0038] In step 101, an MPTCP connection is established, and each TCP subflow in the MPTCP connection is allocated its own buffer area.

[0039] Step 102, estimating the buffer occupancy rate of each TCP sub-flow.

[0040] Step 103, determine the congestion level of the TCP sub-flow according to the...

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PUM

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Abstract

The invention discloses an MPTCP-based congestion control method and device, wherein the method includes: establishing an MPTCP connection, and allocating a respective buffer area for each TCP sub-flow in the MPTCP connection; buffering each TCP sub-flow Estimate the area occupancy rate; determine the congestion level of the TCP sub-flow according to the buffer area occupancy rate, and adjust the transmission rate of the TCP sub-flow based on the congestion level. The MPTCP-based congestion control method and device of the present invention divides the buffer area for each sub-flow, and then accurately detects whether there is congestion according to the usage ratio of the buffer area of ​​each sub-flow, and performs traffic regulation according to the degree of congestion, while taking into account MPTCP transmission The fairness makes the network throughput change more smoothly, and improves the link utilization, throughput and robustness of MPTCP.

Description

technical field [0001] The invention relates to the technical field of network data transmission, in particular to an MPTCP-based congestion control method and device. Background technique [0002] Nowadays, with the rapid development of network technology, the traditional TCP protocol has gradually exposed the limitations that cannot adapt to the development. When the traffic in the network continues to increase, the traditional TCP protocol restricts all traffic to a single path, which fails to make effective use of network resources. Single-path TCP transmission can no longer fully satisfy modern high-speed transmission. MPTCP (MultiPath Transport Control Protocol) is an extension of traditional TCP, which efficiently transmits data through multiple paths between communication source and destination nodes, providing end-to-end reliable, orderly and fast data transmission . Compared with the traditional TCP, the MPTCP protocol has two remarkable features: 1) Improve the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/801H04L12/815H04L47/22
CPCH04L47/11H04L47/225H04L69/14H04L69/163
Inventor 张士强周旭吴帆余淼梁毅酒乐张华亮
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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