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Method, equipment and system of node sorting and selection

A sorting device and a sorting method technology, applied in the field of communication, can solve the problems that the optimal node deviates from the actual application situation, the node sorting and the selected scheme are inaccurate, etc.

Inactive Publication Date: 2014-11-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a node sorting and selection method, device, and system to solve the problem that the existing node sorting and selection schemes are inaccurate, and the optimal node selected may deviate from the actual application situation

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  • Method, equipment and system of node sorting and selection
  • Method, equipment and system of node sorting and selection

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Embodiment Construction

[0056] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0057] CDN is a traffic distribution network built on the existing Internet (Internet). It stores the content in the original server of the website in the cache servers distributed in various places, and automatically directs the user's request to the available and nearest cache server, so as to improve the response speed of access and the availab...

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Abstract

Provided are a node ranking and selection method, device and system. The ranking method includes: receiving a node ranking request sent by a node selection device, with the node ranking request containing a source address, at least two destination node addresses and a direction parameter; determining path overhead values between the source address and the at least two destination node addresses in the direction indicated by the direction parameter; ranking the at least two destination node addresses according to the path overhead values, and generating a ranking result, with the ranking result containing the optimal destination node address; and feeding back the ranking result to the node selection device, so that a user terminal sends a service request to the optimal destination node address. According to the embodiments of the present invention, destination node addresses can be ranked flexibly according to the routing information in different directions, so that the selection of the optimal node can meet practical application demands.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communication, in particular, a method, device and system for sorting and selecting nodes. Background technique [0002] Global Server Load Balance (GSLB) technology is a key technology of Content Delivery Network (CDN), which uses GSLB technology to intelligently distribute user requests to the CDN node closest to the user. There are currently two types of GSLB technology in terms of implementation: one is based on application layer detection technology, and the other is based on network routing topology. The technology based on the network routing topology listens to the routing protocol in the network, establishes the network routing topology map, and calculates which CDN node is closest to the user through the network routing topology, so as to select the CDN node to provide services to the user. [0003] The Application-Layer Traffic Optimization (ALTO) technology proposes ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/763H04L29/08H04L45/17
CPCH04L45/02H04L45/033
Inventor 邹嵘周洪赵宇萍
Owner HUAWEI TECH CO LTD
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