Method and device for notifying boundary connection information of autonomous system

A technology for connecting information and autonomous systems, applied in the field of communication, can solve problems such as time-consuming, misconfiguration, and low processing efficiency, and achieve the effects of reducing network maintenance costs, improving network service quality, and improving processing efficiency

Inactive Publication Date: 2008-01-09
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, when the connection relationship of the autonomous system boundary is relatively complex, the static manual configuration method still has problems su

Method used

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  • Method and device for notifying boundary connection information of autonomous system
  • Method and device for notifying boundary connection information of autonomous system
  • Method and device for notifying boundary connection information of autonomous system

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Embodiment Construction

[0043] The core idea of ​​the present invention is to carry the autonomous system boundary connection information established and maintained by itself in the link state announcement by the autonomous system boundary node supporting the open shortest path first (Open Shortest Path First, OSPF) protocol by means of flood broadcasting (Link State Advertisement, LSA) message to dynamically notify the system.

[0044] The OSPF protocol is a link-state routing protocol developed by the OSPF working group of the Internet Engineering Task Force (IETF), and is generally used in the same autonomous system. A transparent router information link state advertisement (Router Information Link State Advertisement, RI LSA) is defined in the OSPF protocol. The method of the invention is to use the RI LSA message to carry the border connection information of the autonomous system, and dynamically notify the inside of the system according to the flood broadcast mechanism of the OSPF protocol. Th...

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Abstract

The method comprises: creating and maintaining the edge connection information on the edge router supporting OSPF protocol in autonomous system; using link state advertisement (LSA) message to carry the edge connection message, and flood-broadcasting said message; the router in system receives the LSA message and extracts the edge connection message from said message. The invention also reveals an apparatus for advertizing an autonomous system edge information comprising a edge connection information collecting module, an edge connection information database, a message generating module for packing the edge connection information into RI LSA message, and a message advertisement module for flood-broadcasting the RI LSA message in the autonomous system.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and a device for announcing border connection information of an autonomous system. Background technique [0002] With the continuous expansion of the network, the continuous growth of data traffic, and the increasingly complex business, the existing network is overwhelmed. People are increasingly unable to tolerate this best effort (Best Effort) transmission mode, and there is an urgent need for network optimization. . [0003] Traffic Engineering (Traffic Engine, TE) emerges as the times require. It focuses on the optimization of overall network performance. Its main goal is to provide efficient and reliable network services conveniently, optimize the use of network resources, and optimize network traffic. According to the scope of traffic engineering, it can be divided into intra-domain traffic engineering and inter-domain traffic engineering. At present, the t...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/56H04L12/755
Inventor 夏洪淼张仁海陈国义江兴烽
Owner HUAWEI TECH CO LTD
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