Mobile P2P network buffer memory replacement method

A cache replacement and cache technology, applied in the field of mobile P2P network, can solve the problems of insufficient consideration of user data correlation and low cache hit rate.

Active Publication Date: 2016-02-17
STATE GRID CORP OF CHINA +1
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  • Abstract
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Problems solved by technology

[0004] In view of this, the present invention provides an interest-relevance-based mobile P2P network cache replacement method to solve the problem of low cache hit rate caused by insufficient consideration of user data relevance in existing cache replacement methods

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  • Mobile P2P network buffer memory replacement method
  • Mobile P2P network buffer memory replacement method
  • Mobile P2P network buffer memory replacement method

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[0012] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be further described below through specific examples. Apparently, the described embodiments are some, but not all, embodiments of the present invention. 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.

[0013] The embodiment of the present invention provides a kind of mobile P2P network cache replacement method based on data correlation, comprising the following steps:

[0014] Step S100, when there is new data to be cached, the node first judges whether there is still space in the cache to accommodate the data, if there is enough cache space, go to step S400; otherwise, if there is not enough cache space, Then go to step S200.

[0015] Step S200, calculating ...

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Abstract

The invention discloses a mobile P2P network buffer memory replacement method based on data correlation. The method is characterized in that through analyzing correlation between data objects in a buffer memory, data importance and data information concentration and the like, value of buffer memory data is comprehensively calculated, and data with lowest value is selected for leaving the buffer memory and is thus replaced. Compared to the prior art, correlation between data is taken into full consideration, the buffer memory hit rate can be effectively improved, and buffer memory jittering is reduced.

Description

technical field [0001] The invention relates to the technical field of mobile P2P networks, in particular to a mobile P2P network buffer replacement method. Background technique [0002] Mobile P2P network (MobilePeer-to-PeerNetworks, MP2P) is an emerging mobile data transmission method in recent years. It is mainly used for data transmission and resource sharing in a mobile environment without infrastructure support. It is very useful in military battlefields, disaster relief and other fields. Broad application prospects, especially for power companies, in the environment where there is no infrastructure support such as power rescue, disaster relief, and field construction of power companies, mobile P2P networks can be used for communication between personnel and resource sharing, etc., so , the mobile P2P network research work has very important theoretical value and practical significance. However, due to the characteristics of strong node mobility, unstable wireless com...

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Application Information

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IPC IPC(8): H04L29/08
CPCH04L67/104H04L67/5682
Inventor 崔荣喜赵鲁宁商梅敬马德凯赫明哲
Owner STATE GRID CORP OF CHINA
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