Intelligent file caching method based on network awareness and coverage rate threshold matrix

A threshold matrix and network-aware technology, applied in the field of network communication, can solve problems such as insufficient timeliness, insufficient personalization, and low cache efficiency, so as to improve content cache efficiency and adaptability, meet individual needs and high timeliness the effect of the demand

Inactive Publication Date: 2017-07-11
INST OF ACOUSTICS CHINESE ACAD OF SCI +1
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the low content cache efficiency, insufficient personalization and insuff

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  • Intelligent file caching method based on network awareness and coverage rate threshold matrix

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Embodiment Construction

[0035] The present invention will now be further described with reference to the drawings.

[0036] Such as figure 1 As shown, the intelligent file caching method based on network perception and coverage threshold matrix of the present invention includes:

[0037] Step 1: First use network sensing technology to collect and preprocess the attribute data of user data and data files, determine the source node of the cached data file, dynamically update the coverage threshold matrix, and then place all nodes in the network that meet the inactive conditions Into the set of inactive nodes P inactive In, let V 0 The source node for the data file cache, V 0 The set of neighbor nodes is V neigh ={V j }.

[0038] In this step, the user data includes user basic information, user behavior data, user access history to the data file, etc.; the attribute data of the data file includes: basic information of the data file, access statistics of the data file, etc. In the present invention, the dat...

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Abstract

The invention relates to an intelligent file caching method based on network awareness and a coverage rate threshold matrix. The method comprises: acquiring and preprocessing user data and the attribute data of a data file based on network awareness, determining the source node of the cached data file, dynamically updating the coverage rate threshold matrix, and placing all nodes satisfying an inactivated condition in the network in an inactivated node set Pinactive; enabling the inactivated nodes Vi to determine the type of a signalling to be executed after receiving the signalling; enabling the inactive nodes Vi to execute the signalling based on the type of signaling, to calculate the node coverage rate of a current file in neighbor nodes, and to send the signalling to the neighbor nodes according to node priorities if the node coverage rate is greater than a coverage rate threshold so as to meet a coverage rate requirement until a file caching termination condition is satisfied. The method solves low content caching efficiency, lack of individuation, and insufficiency in timeliness in the prior art.

Description

Technical field [0001] The present invention relates to the field of network communication, in particular to a file intelligent caching method based on network perception and coverage threshold matrix. Background technique [0002] With the continuous development of network technology and communication technology, users have higher and higher requirements for network service quality. How to improve response speed, solve network congestion problems, increase addressing speed and reduce service rejection rate are important issues affecting user experience . By pre-pushing various information in the form of files to the network edge closest to the user as a distributed cache, so that the user can obtain the desired content nearby is an effective solution. Specifically, through the application of technologies such as distributed caching, load balancing, and traffic engineering, various content distribution and service delivery functions are provided, including dynamically deploying ...

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Application Information

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IPC IPC(8): H04L12/751H04L12/725H04L29/08H04L45/02
CPCH04L45/02H04L45/304H04L67/1097
Inventor 盛益强廖怡赵震宇韩锐
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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