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Network communication multi-channel selection method and system

一种网络通信、选择系统的技术，应用在传输系统、数字传输系统、数据交换网络等方向，能够解决恢复、不能说明首选通路网络质量、影响SCTP端点数据传输等问题，达到提高通路故障的能力、提高传输速率和质量的效果

Inactive Publication Date: 2012-09-26
ANHUI COMM IND SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, receiving the acknowledgment message can only indicate that the network path is reachable, and does not mean that the network quality of the preferred path has been completely restored.
Therefore, if the preferred path is reachable at this time, but there is still a network failure, it will seriously affect the data transmission between the two SCTP endpoints that have established the SCTP coupling correspondence

Method used

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Embodiment Construction

[0016] see figure 1 and figure 2 , the present invention provides a network communication multi-channel selection system 100, which is integrated in network equipment 200 such as routers, gateways, switches, wireless network controllers, base stations, and mobile terminals. The network device 200 can communicate with a client device (Customer Premises Equipment, CPE) 300 through a primary path (Primary Path, PP) or a secondary path (Secondary Path, SP).

[0017] The network communication multi-path selection system 100 can select a corresponding path for data transmission according to the network quality of the current path. Specifically, the network communication multi-path selection system 100 includes a timer 11 , a monitoring module 12 , a switching module 13 , a storage module 14 and a comparison module 15 . The timer 11, the monitoring module 12 and the switching module 13 are connected in sequence. The timer 11 , the switch module 13 and the storage module 14 are al...

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Abstract

The invention provides a network communication multi-channel selection method and a system. The network communication multi-channel selection method comprises the steps of turning on a primary path to transmit data through the primary path, and starting timing according to a preset retransmission timeout; judging whether the preset retransmission timeout arrives, and if the preset retransmission timeout arrives, switching to a secondary path to transmit data through the secondary path; simultaneously transmitting a heartbeat packet in the primary path and the secondary path through a stream control transmission protocol, receiving a heartbeat response packet fed back from the primary path and the secondary path, acquiring a first time when receiving the heartbeat response packet from the primary path and a second time when receiving the heartbeat response packet from the secondary path; and if the first time is less than the second time twice in succession, switching to the primary path.

Description

technical field [0001] The present invention relates to a network communication data transmission technology, in particular to a network communication multi-path selection method and system based on a stream control transmission protocol (Stream Control Transmission Protocol, SCTP). Background technique [0002] SCTP is one of the most widely used transport layer protocols in network communication at present, and has multi-homing function. The so-called multi-homing means that an SCTP connection can transmit data through multiple paths. There is a backup relationship between the paths, that is, when one path is interrupted, the data will be switched to other accessible backup paths for transmission, thereby improving the network fault tolerance. [0003] In SCTP, path failure is not only manifested as physical link interruption or route unreachability, but also manifests as poor link quality, such as packet loss due to congestion, bit error packet loss, increased delay, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L1/18H04L45/28
CPCH04L1/22H04L49/557
Inventor 黄佳炫何名钦
Owner ANHUI COMM IND SERVICE CO LTD
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