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A cache deployment method based on node competition delay cost model

A cost model and node technology, applied in digital transmission systems, data exchange networks, electrical components, etc., to relieve network pressure and reduce useless link transmissions

Active Publication Date: 2020-03-13
XI AN JIAOTONG UNIV
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to propose a cache deployment method based on the node competition delay cost model to solve the problem of determining the corresponding cache according to the distribution of network requests and the network topology for a single cache content. Deployment problem, the time complexity of the algorithm is O(N 3 ), it is possible to

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  • A cache deployment method based on node competition delay cost model
  • A cache deployment method based on node competition delay cost model
  • A cache deployment method based on node competition delay cost model

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Embodiment Construction

[0050] The present invention provides a cache deployment method based on the node competition delay cost model. The proposed cache deployment method based on the node competition delay cost model needs to analyze whether N nodes are cache nodes during the algorithm execution process. When determining a cache server, it is necessary to analyze the performance of N nodes as cache servers. Each performance analysis needs to find the best link of N nodes. Therefore, the cache deployment based on the node competition delay cost model proposed in this paper is applied. The time complexity of the method is O(N 3 ).

[0051] The purpose of the cache deployment method based on the node competition delay cost model is to determine the cache server of the network according to the distribution of cache content requests by nodes Node service information node served link path

[0052] see figure 1 ,Specific steps are as follows:

[0053] S1. In the case where there is only one sour...

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Abstract

The invention discloses a cache deployment method based on a node competition delay cost model, which determines whether N nodes are cache nodes in the algorithm execution process, and determines the performance of N nodes as cache servers each time a cache server is determined, Find the best link of N nodes through each performance analysis, and determine the time complexity of the cache deployment method based on the node competition delay cost model O(N 3 ), the present invention deploys a method for the trade-off value between node acquisition cache content transmission delay and cache content storage cost in multi-hop self-organizing networks such as wireless Mesh networks, which reduces useless link transmission, relieves network pressure, and reduces the overall Network signaling load, improve system wireless resource utilization.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a cache deployment method based on a node competition delay cost model. Background technique [0002] With the rapid growth of mobile communication data traffic, in which video multimedia services account for the majority of all services, the demand for network content resources will increase sharply during prime time or when popular events break out, which may lead to network crashes and reduce the high access rate. Caching content resources to the cache server can shorten the distance between the resource and the user, greatly reducing the user's access delay. Therefore, the cache server deployment method that determines the location of the cache server according to the distribution of different network requests has been extensively studied. [0003] For multi-hop self-organizing networks such as wireless Mesh networks, the cache server deployment met...

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Application Information

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IPC IPC(8): H04L29/08H04L12/24H04L12/26
CPCH04L41/145H04L41/142H04L43/0852H04L43/08H04L67/5682
Inventor 曲桦赵季红喻航任塨晔冉承祥栾智荣
Owner XI AN JIAOTONG UNIV
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