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Task migration method in which mobile cloud problem involves task scheduling

A task scheduling and mobile cloud technology, applied in the field of mobile cloud, can solve the problems of limited network bandwidth and storage resources, shortage of mobile device resources, etc., and achieve the effect of small running time and high quality

Inactive Publication Date: 2017-12-05
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the battery life, computing power, network bandwidth, and storage resources of mobile devices are limited, and the increasing resource requirements of mobile applications and the shortage of mobile device resources are becoming more and more serious.

Method used

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  • Task migration method in which mobile cloud problem involves task scheduling
  • Task migration method in which mobile cloud problem involves task scheduling
  • Task migration method in which mobile cloud problem involves task scheduling

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Experimental program
Comparison scheme
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Embodiment

[0022] The invention proposes an effective heuristic algorithm with first-come-first-served task migration based on the task migration problem of micro-cloud under the condition of limited completion time in mobile cloud computing. Considering the simplicity of deployment, the present invention can be deployed in the following manner. First of all, the algorithm can be deployed in a systematic way. The system includes two entities, the mobile terminal and the server terminal. The server terminal refers to the remote cloud server. The mobile terminal is responsible for receiving the user's task program and deciding which tasks to upload to the server terminal. . The server provides computing resources such as CPU, memory, and storage for the mobile terminal, which greatly reduces the pressure on the mobile terminal.

[0023] Main idea of ​​the present invention is as follows:

[0024] Firstly, a first-come-first-serve algorithm (FCFS) is designed, which is as follows:

[002...

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Abstract

The invention discloses a task migration method in which a mobile cloud problem involves task scheduling. The method includes the following steps that 1, initialization is conducted, wherein all migratable tasks are placed in the cloud firstly, tasks which only can be executed at the mobile terminal are placed on a mobile terminal, the current total energy consumption is calculated, and all the migratable tasks are labeled as 'not classified'; 2, each task migration includes the following processes that according to the breadth-first sequential search, for the tasks which are labeled as 'not classified', nodes maximum in saved energy are picked in sequence on the premise that the total completion time does not exceed limits and then migrated to the local for execution; if one node which is picked for migration makes the total power consumption after migration smaller than that before the migration, the node can be migrated and labeled as 'classified', and the total energy consumption on the current mobile terminal is upgraded; if the maximum migration node is picked and makes the total energy consumption after migration higher than that before the migration, the migration is completed.

Description

technical field [0001] The invention relates to the field of mobile cloud, in particular to a task migration method involving task scheduling in the mobile cloud problem. Background technique [0002] With the advancement of technology, people's lives are increasingly inseparable from mobile devices, which affect every aspect of life. However, the battery life, computing power, network bandwidth, and storage resources of mobile devices are limited, and the increasing resource requirements of mobile applications and the shortage of mobile device resources are becoming more and more serious. [0003] Fortunately, with the development of cloud computing, mobile devices can migrate some task programs to cloud servers, reducing the burden on mobile devices. In mobile cloud computing, the user's equipment can use the rich computing and storage resources of the remote cloud platform through the mobile operator and the network. Mobile cloud computing can bring many benefits: 1) ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/50G06F1/32
CPCG06F1/329G06F9/5044Y02D10/00
Inventor 罗裕春武继刚姜文超王勇
Owner GUANGDONG UNIV OF TECH