Method for accelerating network caching based on proxy cluster

A cluster network and caching technology, applied in the field of computer networks, can solve problems such as high cost and Internet flow acceleration, and achieve the effects of acceleration, avoiding bottlenecks, and good effects

Active Publication Date: 2013-10-09
JIANGSU FUTURE NETWORKS INNOVATION +1
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Problems solved by technology

However, CDN deployment is aimed at specific content providers. Each content provider deploys its own CDN system separately, so th

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  • Method for accelerating network caching based on proxy cluster
  • Method for accelerating network caching based on proxy cluster
  • Method for accelerating network caching based on proxy cluster

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] figure 1 Shown is the network topology of the present invention, which includes three parts: local DNS server, Load_balancer server (load balancing), and Proxy server. The local DNS server is used to resolve the request to Load_balancer. The Load_balancer server is responsible for selecting a suitable Proxy for the user. The Proxy server finally serves the user, helping the user obtain the required resources or directly delivering the corresponding cached resources to the user.

[0026] The present invention caches the user's request response in the proxy server by arranging several proxy servers at the exit of the network, so that the cached effective stream does not need to go to the source station to visit, and the congestion of the backbone network can be effectively reduced in this way And it can greatly improve the quality of user experience. I...

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Abstract

The invention discloses a method for accelerating network caching based on a proxy cluster. A centralized control mode is mainly adopted, a Load_balancer distributees user requests to a proper Proxy by inquiring an SPH table and executing a Probabilistic load balancing strategy, the Proxy judges whether the caching hits the target or not in an hash mode, the caching in the Proxy is directly returned to a client-side if the caching hits the target, and a client is replaced to send requests to a source station if the caching does not hit the target, and responses are delivered to the client-side. An unusually large file routing table does not need to be maintained on the Load_balancer by building the mapping relation between a station and a Proxy set, and the situation that a bottleneck occurs to the Load_balancer is avoided. The method can have an effective acceleration function on users in a local area network and a metropolitan area network.

Description

technical field [0001] The invention relates to computer network technology, in particular to a network cache acceleration method based on proxy clusters. The method caches a large amount of repeated static content, so that users do not need to go to the source station to request resources, and not only alleviates the problem of existing backbone network congestion situation, and enables users to obtain a better quality of experience. Background technique [0002] With the rapid development of Internet technology, people's demand for information on the Internet is increasing day by day, and their requirements for experience quality are also getting higher and higher. Uneven distribution of network resources among various operators, poor access delay, and access to a large amount of duplicate content have brought a heavy burden to the backbone network. According to Cisco's prediction, by 2016, the global network traffic will be as high as 1.3ZB, which is four times the globa...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 黄韬魏亮龙鸣凯丁伟刘江刘韵洁
Owner JIANGSU FUTURE NETWORKS INNOVATION
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