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A distributed keeping alive routing device and method

A distributed and routing technology, applied in the field of data communication, can solve the problems of neighbor disconnection, network oscillation, etc., to reduce the burden, avoid disconnection, and improve system stability and performance indicators.

Inactive Publication Date: 2008-09-10
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] More importantly, under certain conditions (for example, when the RPU hot backup is restarted, or the RPU is under high load), if the RPU fails to send the keep-alive message normally, the link of the neighbor will be disconnected, causing network oscillation

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  • A distributed keeping alive routing device and method
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  • A distributed keeping alive routing device and method

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Embodiment Construction

[0032] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0033] Such as figure 1 As shown, the present invention adds a new protocol keep-alive agent module on the interface board in the routing device, which is used to store or forward the keep-alive messages sent by neighbors and RPUs, and initially process the keep-alive messages; without RPU participation, unless the packet causes a protocol state change. The module does not construct keep-alive messages by itself, but only stores and forwards keep-alive messages sent by neighbors and RPUs to achieve a distributed effect, which greatly simplifies the specific implementation.

[0034] The keep-alive proxy module includes two hello libraries, one is the neighbor hello library, and the other is the local hello library, which are used to store the hello sent by the neighbor and the hello message sent by the routing protocol module respectively. ...

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Abstract

The invention relates to a distributed activity protection route device and a method thereof. A protocol processing unit module of the invention synchronously gives interface starting information or configuration modification information to an activity protection agent module; the activity protection agent module, according to Hello message sent by a neighbor, decides whether to update local timestamp only or to not only update local timestamp but also store the received Hello message to a neighbor Hello library and forwards the Hello message to a route protocol module; the route protocol module carries out corresponding protocol processing to the received Hello message and then sends the message to the activity protection agent module; the activity protection agent stores the received Hello message in a local Hello library and sends the message to the neighbor. The device and the method of the invention reduce the burden of the protocol processing unit, avoid network oscillation when the protocol processing unit cannot send message normally due to special reasons, improve stability and whole performance of the system and enhance expansibility of the system.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a routing device and method for realizing distributed keep-alive message processing. Background technique [0002] With the rapid development of the Internet, IP networks have gradually become an indispensable tool in people's daily work and life, and the scale and complexity of IP networks are also increasing. Distributed architecture implementation. These routing devices have a protocol processing unit (RPU) and at least one interface board. The RPU processes all the content related to the dynamic routing protocol, and makes routing decisions, and distributes the best route to the interface. The interface board performs the packet forwarding function. In particular, all dynamic routing-related protocol packets arrive at the interface board first, and then are forwarded to the RPU by the interface board. [0003] For most dynamic routing protocols, a keep-alive mechanism is us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L45/60
Inventor 吴道揆
Owner ZTE CORP