Transmission method, system and device for bidirectional forward detection report

A technology for two-way forwarding detection and message sending, applied in the field of network communication, can solve the problems of control device impact, slow processing speed, packet sending and receiving speed, affecting control device normal processing, etc., so as to reduce impact and reduce the number of BFD messages. Effect

Active Publication Date: 2012-04-18
NEW H3C TECH CO LTD
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Problems solved by technology

[0005] Since the processing speed of the control device is much slower than the message sending and receiving speed of the detection device, before the second network node generates a BFD message with the F bit set, the first network device will send a large number of BFD messages with the P bit set This will inevitably cause the detection device of the second network node to receive a large number of BFD messages with the P bit set, and after sending them to the control device, it will cause an impact on the control device and affect the normal processing of the control device

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  • Transmission method, system and device for bidirectional forward detection report
  • Transmission method, system and device for bidirectional forward detection report
  • Transmission method, system and device for bidirectional forward detection report

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[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] The method provided by the present invention mainly includes: after the timer parameter of the first network node changes, the control device in the first network node sends the BFD message carrying the change information of the timer parameter to the first network node according to the preset first time interval. Two network nodes, the detecting device of the first network node sends the BFD message not carrying timer parameter change information to the second network node according to a preset second time interval; wherein, the first time interval is greater than the second time interval.

[0026] The second time interval may be the sending time interval of the corresponding detection device before the timer parameter is changed, or may be...

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Abstract

The invention provides a BFD report sending method, a system and device, wherein, the method comprises the following steps that: after the timer parameter of the first network node changes, a control device in the first network node sends the BFD report with the timer parameter change information to a second network node according to a first presetting space of time, a detection device in the first network node sends the BDF report without the timer parameter change information to the second network node according to a second preset space of time; wherein, the first space of time is more thanthe second space of time. The control device sends the BDF report with the timer parameter change information in a low-speed period and the detection device sends the BDF report without the timer parameter change information in a high-speed period, thereby reducing the impact of the BFD report with a large amount of timer parameter change information to the control device.

Description

technical field [0001] The present invention relates to network communication technology, in particular to a method, system and equipment for sending bidirectional forwarding detection (BFD, Bidirectional Forwarding Detection) messages. Background technique [0002] With the development of communication technology, the demand for carrying real-time and delay-sensitive services such as next-generation network (NGN) and third-generation communication system (3G) on IP networks continues to grow. How to ensure the quality of data transmission, that is, how to ensure the quality of data transmission When a problem occurs in the process, it is very important to quickly locate the fault. Therefore, BFD, as a rapid detection mechanism, came into being. [0003] BFD is similar to the "Hello" protocol. When a BFD session is established, the network devices serving as both sides of the BFD session periodically send BFD packets to each other according to the timer parameter, where the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/56
Inventor 潘凝
Owner NEW H3C TECH CO LTD
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