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A Cache Method Based on Related Content Aggregation in Content-Oriented Network

A related content and content network technology, applied in the field of caching content aggregation, can solve the problems of increasing path length, reducing the amount of routing information, and caching near

Inactive Publication Date: 2016-08-10
XI AN JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the TopDown algorithm cannot make the cache closer to the user, which will increase the path length and affect the user experience
[0017] The common problem of the above schemes is that the distribution of content features in the cache is highly random, which means that there are no prominent main content features and stable feature distribution, so it is difficult to reduce the amount of routing information notified to the outside through the abstraction of content features, resulting in serious Routing Scalability Issues

Method used

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  • A Cache Method Based on Related Content Aggregation in Content-Oriented Network

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Embodiment Construction

[0068] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0069] The basic principle of the present invention is: through the mutual attraction of relevant content, the main content characteristics of the node are more prominent and stable, and the cache of content with secondary content characteristics on the node is excluded, so that the node shows obvious and stable content characteristics, Therefore, it is more beneficial to reduce the amount of routing information advertised to the outside through the abstraction of content features, and to improve the scalability of routing.

[0070] Related content aggregation is a local caching strategy, which is to enhance the cache of target content with a certain content feature through the attraction or repulsion of the cached content of the node to the target content, so that this content feature gradually stands out and becomes the node's Main content character...

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Abstract

The present invention provides a caching method based on related content aggregation in a content-oriented network. The method includes two technical points: a cache factor and a cache redundancy avoidance strategy. It is easier to cache target content with more related content in the current cache, and the lifetime of related content is mutually enhanced, so that the content with main content characteristics in the cache is not easy to be discarded; and the cache redundancy avoidance strategy solves the problem of cache redundancy , wasting storage resources of nodes, the present invention applies the concept of content popularity and node content characteristics to the caching scheme, thereby improving the scalability and Its routing reliability enables the limited cache space to be used more reasonably.

Description

technical field [0001] The invention relates to the cache content aggregation problem oriented to the cache scheme in the content network, in particular to the cache scheme based on the related content aggregation in the content network. Background technique [0002] In view of the fact that the existing network architecture restricts the realization of efficient content distribution functions, the content-oriented network emerges as the times require. A content-oriented network refers to a content-centric network, which uses the content name as a routing identifier, allowing users to directly access the content itself, rather than the host or server where it is located, which is the basic feature of the content-oriented network. Caching is an important factor affecting the scalability of content-oriented network routing, so the design of the cache solution is a top priority for content-oriented networks. [0003] The content-oriented network uses the content name as the ro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08G06F3/06
Inventor 曲桦赵季红邱小铭张涛
Owner XI AN JIAOTONG UNIV