Network intermediate node cache optimization method based on flow characteristic analysis

A traffic characteristic analysis and intermediate node technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of effect discount and inability to cover network applications, and achieve the effect of ensuring transparency and maximizing the utilization of cache resources

Inactive Publication Date: 2013-04-03
FUDAN UNIV
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Problems solved by technology

However, with the explosive development of network applications, there are a large number of private protocols and protocol multiplexing of public protocols in the network, which makes the traditional network intermediate node caching strategy unable to cover the current large number of network applications, and its corresponding effect also greatly discounted

Method used

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  • Network intermediate node cache optimization method based on flow characteristic analysis
  • Network intermediate node cache optimization method based on flow characteristic analysis
  • Network intermediate node cache optimization method based on flow characteristic analysis

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Embodiment Construction

[0041] The present invention is mainly used in network intermediate nodes such as routers, gateway agents and other network intermediate devices with computing capabilities. It serves an internal network that must pass through the node to connect to the external network. The installation device must have certain storage data and Computing capabilities ensure that the algorithms involved in each module can run smoothly in the device. Such as image 3 Shown is the overall flow chart of the system.

[0042] Here, we assume that the user needs to install the system of the present invention on an intermediate node of an enterprise intranet at this time, and the system will be installed in the gateway proxy server connecting the intranet to the extranet. According to the scale of the internal network and the amount and frequency of data usually interacted with the external network, the gateway proxy server will allocate a certain amount of storage space as the network traffic cache...

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Abstract

The invention belongs to the field of computer network communication and particularly relates to a network intermediate node cache optimization method based on flow characteristic analysis. The method includes when the flow passes the intermediate node, firstly classifying the flow, and then according to the type of the flow, determining how to process the flow in divided buffer area space of the type according to the cache condition of the area and combining a least recently used (LRU) algorithm. The system can update flow classification models and redistribute buffer space to different new classifications regularly. The method mainly focuses on solving the transparency problem of a network intermediate node cache strategy, namely, algorithm design of the network intermediate node cache is guaranteed to be unrelated to a specific user layer protocol design, and the efficiency of the strategy which satisfies the programming transparency is managed to be optimal.

Description

technical field [0001] The invention belongs to the field of computer network communication, and in particular relates to a network intermediate node cache optimization method based on traffic characteristic analysis. Background technique [0002] Network intermediate node caching is a very traditional method to solve the shortage of network resources. By caching data that may be accessed repeatedly in the network intermediate node, the network load can be greatly reduced, and network resources can be reasonably used to obtain Better network quality of service. [0003] As far as the traditional network intermediate node caching strategy is concerned, its design does not conform to the important principle of intermediate node programming transparency. The general design pattern is to design correspondingly for a known user-level protocol rule. However, with the explosive development of network applications, there are a large number of private protocols and protocol multiple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803H04L12/811H04L29/08
Inventor 赵进余浩淼王新
Owner FUDAN UNIV
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