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Partition-Based Cooperative Caching Method in Information Center Network

An information center network and collaborative caching technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as uneven load of content requests and unreasonable distribution of cached content

Active Publication Date: 2021-12-17
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the content is cached on nodes with a large betweenness, the betweenness caching method often has problems such as unreasonable spatial distribution of cached content and uneven content request load on nodes.

Method used

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  • Partition-Based Cooperative Caching Method in Information Center Network
  • Partition-Based Cooperative Caching Method in Information Center Network
  • Partition-Based Cooperative Caching Method in Information Center Network

Examples

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Embodiment Construction

[0020] In one embodiment, such as figure 1 As shown, a partition-based cooperative caching method in an information center network ICN is disclosed, and the method includes the following steps:

[0021] S100: Partition the cache nodes in the information center network according to the closeness of connections between network nodes and the overall load balance of the network;

[0022] S200: Taking the partition as a unit, using content centrality metrics as a basis for selecting cache nodes in the partition, and cooperatively placing cached content in each partition.

[0023] As far as this embodiment is concerned, by dividing the cache nodes in the network into regions, the closely connected cache nodes are divided into the same partition, and at the same time, the load balance of the network as a whole is considered; on the basis of the region division, the partition As a unit, select the cache node with the largest content centrality value in each partition passed by the co...

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Abstract

A partition-based cooperative caching method in an information center network ICN, the method comprising the following steps: S100: Partition the cache nodes in the information center network according to the closeness of connections between network nodes and the overall load balance of the network; S200 : Taking the partition as a unit, using content centrality metrics as a basis for selecting cache nodes in the partition, and placing cached content in each partition cooperatively. This method significantly reduces network cache redundancy, realizes network load balancing, and takes into account content acquisition delay while improving node cache hit rate and cache content diversity.

Description

technical field [0001] The disclosure belongs to the technical fields of information communication and network caching, and in particular relates to a partition-based cooperative caching method in an information center network. Background technique [0002] With the rapid development of the Internet, Internet applications are changing from a sender-driven end-to-end communication model to a receiver-driven massive content acquisition model. In order to better adapt to this transformation, in recent years, information-centric networking (ICN), which uses information-centric communication mode instead of traditional host-centric communication mode, has emerged as the times require. As a gradually recognized new network architecture system, its typical representatives include CCN / NDN, DONA, NetInf, etc. [0003] Based on the fact that users in ICN do not care about the location where the information / content is stored (that is, where), but only care about the information / conten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L12/747H04L12/741H04L45/74
CPCH04L67/1097H04L45/742H04L45/745H04L67/568
Inventor 柳寰宇李黎王小明张立臣李鹏
Owner SHAANXI NORMAL UNIV
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