Connecting management and control method suitable for multi-path transmitting

A multi-path transmission and connection management technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problems of not considering sub-streams, establishing sub-streams, and not considering whether sub-streams are the best choice, etc. The effect of throughput performance

Active Publication Date: 2014-07-02
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0009] The defect of the above-mentioned prior art is: in the process of MPTCP connection management, when creating a new sub-flow, the communication parties can establish a sub-flow on an address pair that is not currently used; however, whether the sub-flow between the pair of ...

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  • Connecting management and control method suitable for multi-path transmitting
  • Connecting management and control method suitable for multi-path transmitting
  • Connecting management and control method suitable for multi-path transmitting

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Embodiment Construction

[0026]In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] see image 3 , introduce the application scenario of the connection management and control method for multi-path transmission of the present invention, that is, a communication system in which a terminal with multiple interfaces performs MPTCP transmission: terminal A and terminal B respectively have m and n network interfaces: and Among them, the natural numbers i and j are the network interface serial numbers of terminals A and B, respectively, and their maximum values ​​are m and n respectively, and m≥n; after the PM's address advertisement, the two terminals know the number of network interfaces on the opposite end and their respective Interface address, the maximum number of subflows that can be established at this time is m×n, that is, subflows...

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Abstract

The invention provides a connecting management and control method suitable for multi-path transmitting. According to the technical scheme, sub-flow states are decomposed into an INUSE state and a STANDBY state, sub flows are built among all IP addresses sets of the two communicating parties firstly, and all the sub-flow states are set as STANDBY, and the sub flows are not used for transmitting user data; then one end of communication is chosen to serve as a sub flow performance test main control terminal and is used for measuring the round-trip delay of all the sub flows on each network interface and the sub flow which is of the minimum round-trip delay is selected on each network interface to set as the INUSE state to be used for transmitting the date. Accordingly, the two communication terminals with multiple network interfaces can use the partial sub flows with better performance in all the possible sub flows to transmit the data, so that the advantages brought by the multiple network interfaces can be adopted, better handling capacity is obtained, the number of the used sub flow is reduced as far as possible, and cost of sub flow scheduling management is reduced.

Description

technical field [0001] The invention relates to a connection management and control method suitable for multi-path transmission, belonging to the technical field of computer networks. Background technique [0002] With the development of broadband access technology, terminal devices with multiple network interfaces are becoming more and more popular. For example, most smart phones have the connection functions of WLAN (Wireless Local Area Network) and mobile cellular network at the same time, and notebook computers usually have a wired LAN adapter and a wireless LAN adapter. However, the traditional transmission control protocol TCP (Transmission Control Protocol) is a one-to-one transmission protocol, and cannot use multiple pairs of network connections at the same time. Therefore, the advantages of multiple network interfaces of the current network equipment cannot be fully utilized, which causes a lot of waste of network bandwidth resources. [0003] Multipath Transmiss...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/803
Inventor 王尊亮张海旸杨震
Owner BEIJING UNIV OF POSTS & TELECOMM
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