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Priority-based task unloading method and system

A priority and task technology, applied in the priority-based task offloading method and system field, can solve the problems of edge server resources being unable to process computing tasks, timeout, etc., and achieve the effect of optimizing completion time and prioritizing execution

Pending Publication Date: 2022-04-19
HANGZHOU DIANZI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the increase of computing tasks and the uncertainty of the number of edge user devices, the limited resources of some edge servers cannot handle excessive computing tasks, which causes these tasks to queue up on the nodes, and may even time out

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  • Priority-based task unloading method and system
  • Priority-based task unloading method and system
  • Priority-based task unloading method and system

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Embodiment Construction

[0060] In order to illustrate the embodiments of the present invention more clearly, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0061] Aiming at the problem of task unloading under the edge-shifting computing scenario, the present invention discloses a priority-based task unloading method, modeling the average task completion time, edge server load balance, and edge server service revenue as optimization goals, and determining a better computing task Uninstall strategy. More specifically, the task offloading method of the present invention is mainly divided into two stages: multi-objective optimization and utility evaluation; firstly, the KNN is tra...

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Abstract

The invention relates to a priority-based two-stage task unloading method and system. The method comprises the following steps: S1, modeling edge user equipment and task variables; s2, modeling an edge server variable; s3, modeling a base station variable; s4, modeling task unloading variables; s5, modeling the average completion time of the task; s6, load balancing of the modeling server; s7, revenue of the modeling server; s8, modeling constraint conditions of task unloading; and S9, determining a task unloading strategy based on the minimization of the task average completion time, the minimization of the server load balance and the maximization of the server revenue. According to the method, the task unloading problem in the edge scene is attributed to a multi-objective optimization problem, the task priority is defined, the user and the server are considered at the same time, the task completion time, the server load balance and the server income are optimized, and a better task unloading strategy is obtained.

Description

technical field [0001] The invention belongs to the technical field of edge computing, and in particular relates to a priority-based task offloading method and system. Background technique [0002] Sending data to the cloud for analysis has been a prominent trend over the past few decades, and cloud computing has been the dominant computing paradigm. However, with the explosive growth and expansion of the number of wireless devices, a large amount of application data is generated, and the proliferation of device identification and related data flows has brought a huge burden to the edge infrastructure. Due to the increasing bandwidth pressure brought by data transmission, cloud computing cannot effectively handle computing tasks. On the other hand, the cloud is always located at the center of the network, away from edge devices, resulting in higher processing delay and transmission energy consumption. The computing paradigm is shifting from centralized cloud computing to e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L67/10H04L67/1023H04L67/1008G06K9/62
CPCH04L67/10H04L67/1023H04L67/1008G06F18/24147G06F18/214Y02D30/70
Inventor 徐海涛尚子良邬惠峰
Owner HANGZHOU DIANZI UNIV