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Method for maintaining root server data consistency in integrated load-carrying net

A root server and bearer network technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as high overhead, large network bandwidth consumption, and communication bottlenecks, and achieve low overhead, low network communication overhead, and high efficiency high effect

Inactive Publication Date: 2009-06-24
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This brings about the problem of data consistency: when the data on a root server changes, how to ensure the consistency of the data between each root server and the root server
[0005] At present, the resource data consistency strategy in the network uses broadcasting to update all data at once, which not only costs a lot, but also consumes a lot of network bandwidth, causing communication bottlenecks

Method used

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  • Method for maintaining root server data consistency in integrated load-carrying net
  • Method for maintaining root server data consistency in integrated load-carrying net
  • Method for maintaining root server data consistency in integrated load-carrying net

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Embodiment Construction

[0019] The purpose and effects of the present invention will become more apparent by referring to the accompanying drawings in detail of the present invention.

[0020] figure 1 It is a schematic diagram of the layered architecture of an integrated bearer network. It consists of a set of root servers, a set of flexible network configuration agents, and a set of routers (divided into zones and domains). In this architecture, multiple routing nodes form a domain, multiple domains form a zone, and the entire network consists of multiple zones. A flexible network configuration agent is responsible for the construction of a logical bearer network within a domain, and the root server (responsible for the construction of a cross-domain logical bearer network within a region, and the construction of a cross-region logical bearer network is coordinated by the relevant root server.

[0021] The present invention provides a method for maintaining the data consistency of the root server...

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Abstract

The invention discloses a method for maintaining root server data consistency in an integrated carrier network, which is based on version number control to maintain the root server data consistency. In the method, the root server generates data version numbers periodically and saves the data version numbers in a local storage system; and the root server coordinately requests and forwards the dataversion numbers and makes use of the information in a period of time to request. The method is low in network communication cost and has the characteristics of low cost and high efficiency.

Description

technical field [0001] The present invention relates to an integrated bearer network composed of a group of root servers (Root Server), a group of flexible network configuration brokers (Flexible Network Configure Broker, FNCB) and a series of routers (divided into areas and domains), especially related to maintenance A method for data consistency of the entire network's physical bearer network topology information owned by a group of root servers. technical background [0002] The integrated bearer network is composed of a group of root servers, a group of flexible network configuration agents and a series of routers. The integrated bearer network is based on reconfigurable routers. The root server has the topology information of the entire physical bearer network. The root server builds the logical bearer network according to the user's requirements for the source, sink, bandwidth, and network type of the logical bearer network. In order to speed up the construction of a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/56
Inventor 吴春明张栋姜明熊伟张旻张伟陈功
Owner ZHEJIANG UNIV