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Data synchronism method and node device

A node device, data synchronization technology, applied in the field of network communication, can solve the problem of long synchronization time, long time for node restart, etc.

Active Publication Date: 2014-04-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this data synchronization method can reduce the synchronization of redundant data, for a large ASON network, since the entire network may have more than 100,000 LSA information to be synchronized, the synchronization time is very long, resulting in a long time for node restart

Method used

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  • Data synchronism method and node device
  • Data synchronism method and node device
  • Data synchronism method and node device

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] Below to figure 1 As an example, a data synchronization method provided in Embodiment 1 of the present invention is described in detail. figure 1 It is a schematic flowchart of a data synchronization method provided by Embodiment 1 of the present invention. The execution subject of the data synchronization method takes a node (such as an optical switching node) in ASON as an example. The subject of execution of the method may also...

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Abstract

The invention relates to a data synchronism method and a node device. The data synchronism method comprises obtaining link status advertisement (LSA) header information from at least two adjacent nodes; determining publicly-owned LSA information and specific LSA information according to the LSA header information, the publicly-owned LSA information carrying node data or link data of at least two adjacent nodes, the specific LSA information carrying node data or link data of just one adjacent node, synchronizing the specific LSA information from the adjacent node which stores the specific LSA information, and synchronizing the publicly-owned LSA information from one of the adjacent nodes which store the publicly-owned LSA information.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a data synchronization method and node equipment. Background technique [0002] In an Automatically Switched Optical Network (ASON), each node needs to obtain node data of other nodes in the network and link data of links connected to other nodes, and these data are encapsulated in link status notifications. (Link State Advertisement, LSA) information. At the beginning, each node publishes the LSA information of the node and the LSA information of the link connected to the node to the network, so that other nodes in the network can know and store the node data of the node and the link connected to the node. link data. [0003] When a node in ASON is restarted, because the node data and link data are only stored in the temporary database of the node, but not in the permanent database, the node loses all data after restarting. Therefore, it is necessary for this no...

Claims

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Application Information

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IPC IPC(8): H04L12/751H04L45/02
CPCH04L45/74
Inventor 谢刚
Owner HUAWEI TECH CO LTD
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