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Distribution route circit for dynamic management to translated information, and its method

A technology for forwarding information and routers, which is applied in store-and-forward switching systems, digital transmission systems, electrical components, etc., and can solve problems such as packet forwarding overhead

Inactive Publication Date: 2004-08-11
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, each routing node of a distributed architecture router must be equipped with a large amount of memory in order to store these forwarding tables; this creates unnecessary overhead for the router's primary operational purpose, packet forwarding

Method used

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  • Distribution route circit for dynamic management to translated information, and its method
  • Distribution route circit for dynamic management to translated information, and its method
  • Distribution route circit for dynamic management to translated information, and its method

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Embodiment Construction

[0031] Now-executed examples and preferred embodiments of the present invention will be described below with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they might obscure the invention with unnecessary detail.

[0032] FIG. 1 is a schematic block diagram of a typical router 100 with a distributed architecture. The distributed router shown in FIG. 1 may be a Galaxy Internet Protocol (ie, IP router).

[0033] Referring to FIG. 1 , a distributed structure of a router 100 provides a plurality of routing nodes 110 , 120 , 130 , and 140 interconnected by a switching module (SWM) 150 . Each of routing nodes 110 , 120 , 130 and 140 has an input / output processor (IOP) 111 . Each input / output processor 111 is designed to receive packets from two physical media devices (PMD: PMD-1 and PMD-2) 112 and 113, respectively.

[0034] Each of these routing nodes RN 110, 120, 130 and 140 has its ...

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Abstract

A distributed router and process dynamically managing forwarding information, with each routing node sharing its collected routing information in real time with the other routing nodes and managing forwarding information dynamically based on the routing information, thereby avoiding a need for packet forwarding in order to share the routing information between the routing nodes. The routing information is selectively updated in forwarding tables; thus efficiently managing the forwarding table of each routing node. Furthermore, the size of the forwarding table in each routing node may be reduced because the forwarding information of each routing node is managed in the form of a binary aggregation tree and the aggregation level of a delegation node that aggregates node information corresponding to routing information in the aggregation tree, may be variably set.

Description

[0001] This application claims compliance with 35 U.S.C § 119 of an earlier application, Serial No. 2003-6435, filed at the Korean Intellectual Property Office on January 30, 2003, entitled "DISTRIBUTED ROUTER FOR DYNAMICALLYMANAGING FORWARDING INFORMATION AND METHOD THEREOF" priority, the contents of which application are hereby incorporated by reference. technical field [0002] The present invention generally relates to a method for managing forwarding information in a distributed router (i.e., in a router constructed according to a distributed structure), and more particularly, to a method for sharing all routers in a distributed router in real time. Each router node among the nodes collects routing information, and according to the routing information, dynamically manages forwarding information through aggregation (aggregation). Background technique [0003] With the development of ultra-high-speed and large-capacity networks, routers have evolved from the existing cent...

Claims

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Application Information

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IPC IPC(8): H04L12/427H04L45/58H04L45/60
CPCH04L45/04H04L45/52H04L45/58H04L45/46H04L45/54H04L45/44H04L45/586H04L12/427
Inventor 金柄澈崔炳求
Owner SAMSUNG ELECTRONICS CO LTD
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