Dynamic service migration method and device

A dynamic service and mobile state technology, applied in the field of information processing, can solve problems such as difficult to obtain service migration decisions

Active Publication Date: 2020-08-04
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology

Therefore, it is difficult to obtain the optimal s

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  • Dynamic service migration method and device

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Embodiment Construction

[0083] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0084] For most MEC scenarios, devices and users on edge sites can only access services within the signal coverage of edge base stations (or MEC servers). When they are moved out, they have to reconnect to another MEC server or cloud server, resulting in QoS degradation or service interruption. Therefore, considering the randomness of user mobility, how to se...

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Abstract

The embodiment of the invention provides a dynamic service migration method and device, and the method comprises the steps: obtaining the probability that a target mobile user moves from the coveragerange of a first edge server to the coverage range of a second edge server according to the moving state of the target mobile user located at the boundary of the first edge server; obtaining the totalmigration cost required for moving the service corresponding to the target mobile user from the first edge server to the coverage range of the second edge server; and constructing a Markov decision process according to the probability and the total migration cost, and iteratively solving a linear equation corresponding to the Markov decision process to obtain a corresponding target dynamic service migration strategy. According to the invention, on the basis of effectively reducing the transmission delay in dynamic communication service migration, the migration data cost can be effectively balanced, so that a more preferable service migration decision can be provided, namely, the accuracy and reliability of dynamic communication service migration of a moving user can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of information processing, and specifically relates to a dynamic service migration method and device. Background technique [0002] With the popularity of mobile terminals and the Internet of Things (IoT), Mobile Edge Computing (MEC), as a new architecture that uses mobile base stations to extend cloud computing services to the edge of the network, has emerged as the times require. It integrates cloud computing and mobile computing technologies, and transfers some applications, data and services from centralized cloud data centers to the edge of the network where edge servers are deployed. Since local edge servers are closer to users and IoT devices than centralized cloud data centers, QoS (such as response time and throughput) and privacy can be improved and overhead can be reduced. Therefore, Mobile Edge Computing (MEC) is becoming more and more popular in supporting various innovative applicati...

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Application Information

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IPC IPC(8): H04W28/02H04W28/08
CPCH04W28/0226H04W28/0268H04W28/08
Inventor 黄霁崴刘芳正吕博枫张建兵
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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