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Method and apparatus for raising route information protocol route convergence rate

A technology of convergence speed and routing, applied in digital transmission systems, electrical components, transmission systems, etc., can solve unrealistic problems, achieve the effect of improving convergence speed, reducing the transmission of invalid information, and improving system efficiency

Active Publication Date: 2007-01-03
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
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Problems solved by technology

Although in the specific implementation, the periodic update interval and the aging time can be configured, but the periodic update interval cannot be configured too small, because it will lead to frequent and large number of route updates, and the aging time is at least three times the periodic update interval. Therefore, it is impractical to increase the routing convergence speed by reducing the periodic update time and aging time

Method used

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  • Method and apparatus for raising route information protocol route convergence rate
  • Method and apparatus for raising route information protocol route convergence rate
  • Method and apparatus for raising route information protocol route convergence rate

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Embodiment Construction

[0023] In the RIP protocol, each router running RIP maintains a RIP routing table. The routing table is composed of routing items. Each routing item generally consists of fields such as destination, next-hop address, and metric. Each RIP router will regularly broadcast its own routing information on the network, that is, the entire routing table content. The routers connected to the same network as this router are referred to as neighbor routers.

[0024] Under normal circumstances, when a router publishes its own routing update message to the network, the next hop address of the routing item is 0. In some special cases, it will fill in the address of another router in the directly connected network segment. , to avoid multiple forwarding of data.

[0025] The present invention introduces two concepts to help explain the method disclosed in the present invention, one is the routing information protocol entity, and the other is the rapid detection protocol entity, the routing i...

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Abstract

A method for raising convergence speed of route information protocol route includes detecting whether neighbor router can be always reached or not by router using route information protocol according to quick detection session set up with neighbor router and deleting route item correlated with said neighbor router when neighbor router not being able to be reached is detected. The device for realizing said method is also disclosed.

Description

technical field [0001] The present invention relates to a method and device for increasing the routing convergence speed of routing information protocols, in particular to a method for accelerating routing information protocol (Routing Information Protocol, hereinafter referred to as RIP) routing convergence speed when learning routes from each other by using fast detection technology and devices. Background technique [0002] RIP is one of the most widely used routing protocols based on the distance vector algorithm. It is widely used in the routing of the global Internet. It is an Interior Gateway Protocol (Interior Gateway Protocol, IGP), that is, it performs routing functions inside the autonomous system. The latest protocol version is defined in "RFC 2453: RIP Version 2". [0003] In RIP, the distance of a host is identified by a metric. In RFC, a metric is defined as: a numerical value used to identify the distance to a destination host. The measurement of RIP is bas...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/56H04L45/17
Inventor 潘凝
Owner NEW H3C TECH CO LTD
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