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Dynamic consistency maintenance method for copies in mobile edge computing

An edge computing and consistency technology, applied in computing, energy-saving computing, computer components and other directions, can solve the problem that the dynamic organization of replicas is rarely studied, so as to improve the dynamic consistency maintenance method, improve the rationality and accuracy, The effect of improving efficiency

Active Publication Date: 2021-04-06
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional dynamic consistency partitioning has not been thoroughly explored in terms of partition types, replica features, and partition methods. While performing consistency level partitioning, the dynamic organization of replicas is rarely studied

Method used

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  • Dynamic consistency maintenance method for copies in mobile edge computing
  • Dynamic consistency maintenance method for copies in mobile edge computing
  • Dynamic consistency maintenance method for copies in mobile edge computing

Examples

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Embodiment Construction

[0020] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0021] The invention discloses a method for maintaining dynamic consistency of replicas in mobile edge computing, such as figure 1 shown, including the following steps:

[0022] The first step is to obtain the copy placement data, build a node-replica hypergraph model and relationship matrix, and evenly distribute the three consistency maintenance methods to all file copies. There is a hyperedge between the nodes storing the same file copy, and the hyperedge is numbered to form a hypergraph G(V,E) and an N×M adjacency matrix T, which is the node-copy relationship matrix; the element T (ui,uj) The j-th copy is stored on behalf of the i-th node; the V and E represent a s...

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Abstract

The invention discloses a dynamic consistency maintenance method for copies in mobile edge computing. The method comprises the following steps of: S1, establishing a node-copy hypergraph model according to the placement condition of the copies; S2, according to the requirement for maintaining the consistency of the copies, selecting attribute characteristics of the copies, and obtaining a copy data set; S3, standardizing the replica data set and allocating weights to attributes of the data set to obtain a replica data set to be divided; S4, dividing the replica data set into three consistency levels by adopting an improved clustering algorithm; and S5, dynamically adjusting the storage positions of the copies according to the node copy hypergraph model and the division result of the last step by utilizing a hypergraph division method, and perfecting the dynamic consistency maintenance of the copies. According to the method, the consistency division level of the copies is increased, and the requirements of users are met to a greater extent; an improved clustering algorithm is used, so that the accuracy of consistency level division is improved; and the storage position of the copies is dynamically adjusted by using hypergraph division, so that the overall performance of the system is improved.

Description

technical field [0001] The invention belongs to the field of mobile edge computing cloud storage security, and in particular relates to a method for maintaining dynamic consistency of copies in mobile edge computing. Background technique [0002] With the development of 5G technology and the Internet of Things, a large amount of user data requires high-performance storage technology, and various complex computing tasks need to be responded in a short time. The traditional cloud computing network architecture has been difficult to meet these requirements, and Mobile edge computing provides powerful data storage and processing capabilities close to the edge of the network. Copy technology, one of the key technologies of mobile edge computing, is also facing new challenges. Copy technology is data replication technology, which is a commonly used and very important data management mechanism in distributed systems. It uses copy technology to increase file availability and reliab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06K9/62
CPCG06F3/0635G06F3/0643G06F3/0619G06F18/2321Y02D10/00
Inventor 何利何峰
Owner CHONGQING UNIV OF POSTS & TELECOMM