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Communication establishing method and router

A technology for establishing communication and routers. It is used in data exchange, digital transmission systems, electrical components, etc. through path configuration.

Inactive Publication Date: 2010-07-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the HelloInterval and DeadInterval configured by the neighbors are different, the neighbor relationship cannot be established; changing the HelloInterval and DeadInterval will cause the existing neighbor relationship to break and need to be re-established, which cannot meet the needs of many specific networks in practical applications; When a device is connected to a high-speed device, considering the speed processing capability of the low-speed device, the high-speed device must maintain the same HelloInterval as the low-speed device to discover the low-speed device, which seriously affects the performance of the high-speed device.

Method used

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  • Communication establishing method and router
  • Communication establishing method and router
  • Communication establishing method and router

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Embodiment Construction

[0024] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] refer to image 3 , the method for establishing communication includes the following steps:

[0026] Step 301, the first router sends the first message to the second router at the first interval configuration time, wherein the first message is a 1-way Hello message, including: the ID of the first router, the first identifier, the first Interval configuration time and the first maintenance configuration time; Wherein, the first interval configuration time is the HelloInterval configured by the first router itself, which is HelloInterval11 now; the first maintenance configuration time is the DeadInterval configured by the first router itself, which is DeadInterval11 now, The first identifier is used to indicate whether the first router supports Hello message negotiation, and may be a certain bit in the option field of the Hello message that is not ...

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Abstract

The method includes steps: second router receives first message from first router; first message includes first interval configuration time (ICT); based on first ICT, second router defines second transmitting interval, and sending second message to first router within second transmitting interval in order to establish communication to first router; here, first ICT is not equal to second ICT of second router. The invention also discloses the router. When first ICT is not equal to second ICT of second router, the invention is able to establish communication.

Description

technical field [0001] The invention relates to the field of computer network communication, in particular to a method for establishing communication and a router. Background technique [0002] OSPF (Open Shortest Path First, the shortest path first protocol) is a protocol based on the link state, including the neighbor relationship establishment mechanism, the link state description mechanism, the link state propagation mechanism and an efficient routing algorithm, in which the neighbor relationship Establishment and maintenance, that is, the Hello message in the OSPF protocol is the basis of the OSPF protocol. [0003] Multiple routers connected to the same network segment running the OSPF protocol need to send Hello packets to discover each other and establish neighbor relationships before the neighbor relationship is established. After the neighbor relationship is established, they need to send Hello packets to maintain the neighbor relationship. If a Hello packet canno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L29/08H04L12/28H04L12/54
CPCH04L47/10H04L12/56
Inventor 魏秀刚程辉辉
Owner HUAWEI TECH CO LTD
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