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Routing table converging device and method thereof

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

Active Publication Date: 2009-12-09
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The prior art has not yet provided the above method

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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

Examples

Experimental program
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Embodiment Construction

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

[0046] Such as figure 1 Shown is a schematic diagram of the relationship between the 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 aggregated routing module 13, an aggregated routing control module 14, a non-aggregated routing module 15, and a non-aggregated routing control module 16.

[0047] The interface module 11 is used to provide routing notification interfaces at the forwarding level and the protocol level, receiving effective routes learned by the protocol software from the higher-level protocol software, and classifying the received routing information, such as ordinary IP routing, label routing, etc., Different routing information has different ways of routing lookup.

[00...

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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 present 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 (IP) network. Background technique [0002] IP network forwarding devices such as routers and Layer 3 switches perform packet forwarding by looking up the IP routing table. With the rapid development of IP networks and the continuous expansion of network nodes, in large-scale IP networks, the number of routes continues to grow rapidly, reaching hundreds of thousands of orders of magnitude. The routing table that the core network forwarding device needs to maintain in order to correctly forward the IP packet also increases. Such a large-capacity routing table requires more system overhead, such as occupying a large amount of memory. [0003] In the current IP forwarding equipment, the high-level protocol software learns the effective routing information, then submits it to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/28
Inventor 顾颖杰肖伟刘文龙
Owner ZTE CORP
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