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Method and apparatus for automatic topology discovery and resource management in PBB network

A technology of network topology information and resource information, which is applied in the field of automatic topology discovery and resource information management, and can solve problems such as no means of collecting topology information and resource information

Inactive Publication Date: 2012-09-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the existing technology, GMPLS is used as the PBB TE tunnel establishment mechanism for the PBB TE network, and there is still no way to collect topology information and resource information. The topology information and resource information manually recorded during network deployment can only be used as the GMPLS signaling protocol. enter

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  • Method and apparatus for automatic topology discovery and resource management in PBB network
  • Method and apparatus for automatic topology discovery and resource management in PBB network
  • Method and apparatus for automatic topology discovery and resource management in PBB network

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further elaborated below in conjunction with the accompanying drawings.

[0028] The embodiment of the present invention extends the OSPF protocol, so that the network nodes of the PBB TE can collect the topology information and resource information of the PBB TE network through the extended OSPF message.

[0029] OSPF protocol is a routing protocol based on IP layer. Its functions include routing network topology discovery, routing network status information collection, routing calculation, and network status dynamic monitoring functions. The OSPF protocol has five types of packets, which are:

[0030] 1) Hello message, used for neighbor node discovery and maintenance;

[0031] 2) Database Description (Database Description) message, after the neighbor node is established, the transmission of the initial routing link state information between ...

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Abstract

The invention discloses a method for automatic topology discovery and resource information management in a Provider Backbone Bridging Traffic Engineering (PBB TE) network, which comprises the following steps: constructing an Open Shortest Path First (OSPF) Hello message containing network topology information or an OSPF protocol Link State Affirm (LSA) message containing resource information, andtransmitting the message to other nodes in the network by a first network node; and receiving the message and recording the network topology information or the resource information in the message into a local network topology information database or a resource information database by a second network node. The invention also discloses a PBB TE network node device. The proposal of the method can achieve the automatic topology discovery and the resource information management in the PBB TE network.

Description

technical field [0001] The invention relates to the technical field of computer networks, in particular to a method and device for automatic topology discovery and resource information management in a Provider Backbone Bridge Traffic Engineering (PBB TE) network. Background technique [0002] Because PBB TE is based on PBB, here we first introduce PBB. In popular language, PBB is Mac-in-Mac, that is, by encapsulating a layer of media access control (MAC) address before the ordinary Ethernet (Ethernet) frame, which is called the backbone layer address, so that the user address and operation The business address is separated. In this way, on the one hand, the independence of management can be guaranteed, and on the other hand, the security of services can be improved. At the same time, the size of the MAC table of the backbone layer equipment can be greatly reduced, and the complexity of equipment implementation can be reduced. In the PBB network, traditional point-to-point,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/46
CPCH04L41/12H04L45/02H04L45/03
Inventor 翟素平
Owner HUAWEI TECH CO LTD
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