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Intermediate system-intermediate system protocol message processing method, node and system

A protocol message and intermediate system technology, applied in the intermediate system-intermediate system protocol message processing method, node and system field, can solve the problems of routing oscillation and large amount of information diffusion, and achieve the goal of reducing routing oscillation and reducing the amount of diffusion. Effect

Inactive Publication Date: 2010-07-07
HUAWEI TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] In the existing IS-IS protocol message processing method, after the node receives the IS-IS protocol message of the neighbor node, it will store the IS-IS protocol message in the node, and store the IS-IS protocol message Diffusion to other neighbor nodes of this node, resulting in a large amount of information diffusion and unnecessary routing oscillation

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  • Intermediate system-intermediate system protocol message processing method, node and system
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Embodiment Construction

[0028] Give examples below to further illustrate the technical solution of the present invention.

[0029] like figure 1 As shown, Embodiment 1 of the present invention provides an IS-IS protocol message processing method, including:

[0030] S101. The first node in the network receives an IS-IS protocol message from a second node that is a neighbor node to the first node; wherein, the network is divided into domains according to service requirements, and the IS-IS protocol message carries A domain identifier of the service domain to which the second node belongs, and the first node stores the domain identifier of the service domain to which the first node belongs;

[0031] The domain identifier of the service domain to which the second node belongs includes the domain identifier of the service domain to which the second node belongs after the service domain is divided according to the set of nodes through which the predetermined service needs to be transmitted. The domain i...

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PUM

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Abstract

The invention discloses an intermediate system-intermediate system protocol message processing method, node and system, belonging to the communication field, which solves the problem of large information diffuse and unnecessary route oscillation in prior art. In the embodiment, the intermediate system-intermediate system protocol message processing method comprises a first node and a second node receiving IS-IS protocol message; the IS-IS protocol message carries indication according to a domain identification of the second node business domain to judge whether the domain identification of the first node business domain and the second node business domain has the same domain identification; if no identical domain identification is judged, the IS-IS protocol message is dismissed, thereby cutting down the diffusion of the protocol message in the internet and reducing the route oscillation. In the embodiment, the invention correspondingly discloses a node device and an internet system.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to an intermediate system-intermediate system protocol message processing method, node and system. Background technique [0002] IS-IS (Intermediate System-Intermediate System to Intermediate System) protocol is a dynamic routing protocol, originally designed by ISO (International Organization for Standardization) for CLNP (Connectionless Network Protocol) , and later added IS-IS support for IP (Internet Protocol, Internet Protocol). IS-IS supports flexible TLV (Type-Length-Value, Type Length Value) addressing mode. The protocol has good scalability, fast route convergence speed, clear structure, and is suitable for large-scale networks. It has been widely used in recent years. application. [0003] The IS-IS protocol divides the network into multiple areas by setting node levels and area addresses, which may include common areas and backbone areas. Nodes that belong to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L47/20
Inventor 杨婷江澎兴徐流胜万珂
Owner HUAWEI TECH CO LTD
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