Routing table converging device and method thereof

A technology of aggregation device and aggregation method, which is applied in the direction of data exchange, electrical components, and transmission systems through path configuration, which can solve problems such as not provided, and achieve the effects of reducing occupied space, increasing the number of routes, and reducing system consumption

Active Publication Date: 2008-01-02
ZTE CORP
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  • Abstract
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  • Routing table converging device and method thereof
  • Routing table converging device and method thereof
  • Routing table converging device and method thereof

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[0045] The implementation of the routing table aggregation based on routing information of the present invention will be described in further detail below in conjunction with the accompanying drawings:

[0046] As shown in FIG. 1 , it is a schematic diagram of the relationship between modules in the device of the present invention. The device of the present invention includes: an interface module 11 , a routing index module 12 , an aggregation routing module 13 , an aggregation routing control module 14 , a non-aggregatable routing module 15 , and a non-aggregatable routing control module 16 .

[0047] The interface module 11 is used to provide a route notification interface at the forwarding level and the protocol level, receives the effective route learned by the protocol software from the high-level protocol software, and classifies the received routing information, such as common IP routing, label routing, etc., Different routing information has different routing lookup me...

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Abstract

The invention discloses a route list condenser and a relative method, wherein the condenser comprises an interface module, a condense route module, a condense route control module, a non-condense route module, a non-condense route control module, and a route index module, the interface module receives a route message to be classified and sent to the route index module to search relative index in a route index list, the condense route module and condense route control module according to index and route message modify a condense route list, and feedback a condense route index to the route index list, the non-condense route module and the non-condense route control module according to the index and route message modify the non-condense route list and feedback a non-condense route index to the route index list. The invention can represent most condense route message via little condense route list, to reduce the space occupied by route list, and improve the route number stored in same route space.

Description

technical field [0001] The invention relates to the technical field of computer network communication, in particular to a device and method for optimizing a unicast routing table in an Internet Protocol (Internet Protocol, IP) network. Background technique [0002] IP network forwarding devices such as routers and Layer 3 switches forward packets by searching the IP routing table. With the rapid development of IP networks and the continuous expansion of network nodes, the number of routes in large-scale IP networks continues to grow rapidly, reaching the order of hundreds of thousands. The routing table that the core network forwarding device needs to maintain to correctly forward IP packets also increases accordingly. This large-capacity routing table requires more system overhead, such as occupying a large amount of memory. [0003] In the current IP forwarding equipment, high-level protocol software learns effective routing information, and then submits it to the forward...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/28
Inventor 顾颖杰肖伟刘文龙
Owner ZTE CORP
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