MPTCP path management method based on multi-path transmission protocol and device

A technology for multi-path transmission and path management, which is applied in the field of path management based on the multi-path transmission protocol MPTCP, and can solve problems such as not being applied on a large scale.
CN105490933AActive Publication Date: 2016-04-13NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
Publication Date
2016-04-13

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Abstract

The invention discloses an MPTCP path management method based on a multi-path transmission protocol and a device. The MPTCP path management method based on the multi-path transmission protocol comprises steps of obtaining transmission state information of each TCP sub-path in MPTCP connection, calculating the QOS value of each TCP sub-path in the MTCP connection based on the transmission state, determining the TCP sub-path where the transmission quality is deteriorated according to the QOS value, and setting the TCP sub-path as a standby state. The method and device of the invention can quantify the communication quality of each path as QoS according to the performance comparison of each path, detects the path where the communication quality is changed during the communication process, can analyze the path parameter of each MPTCP path in real time, guarantees that the transmission path used in the network can realize the maximum handling capacity and the bandwidth utilization, enables the network handling capacity to change smoothly, and improves the link utilization rate, the handling capacity and the robustness of the handling capacity.
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Description

technical field

[0001] The invention relates to the technical field of network data transmission, in particular to a path management method and device based on a multipath transmission protocol MPTCP. Background technique

[0002] Currently, parallel multiplexing has attracted extensive attention from academia and industry because of its unique advantages in aggregating bandwidth, balancing loads, and improving network robustness. Research on CMT technology focuses on the application layer, transport layer and network layer. However, as the bottom layer with end-to-end path information, the transport layer is the most suitable layer for deploying CMT. At the transport layer, the terminal system can use the status information of each path: bandwidth, congestion status, delay, etc. Used to divert traffic from congested paths to non-congested paths. With the development of multiple access technologies, smart mobile terminals have become more and more popular in recent years, ...

Claims

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