边缘计算环境下的任务调度综述

Overview of task scheduling in edge computing environments

边缘计算作为一种新兴的计算模式,能够有效解决终端设备不具有计算能力或处理计算密集型与时延敏感型应用能力不足的问题。任务调度是边缘计算研究的关键技术之一,合理的任务调度策略可以有效提高边缘节点性能,提高资源利用率和降低能耗。本文围绕边缘计算环境下的任务调度技术,首先介绍了边缘计算三层系统架构、任务调度概念及流程,其次分析了基于不同目标优化的任务调度策略及各自优缺点,最后针对边缘计算的发展做出了总结与展望。

Edge computing,as an emerging computing model,can effectively solve the problem that the end device does not have the ability or insufficient ability to handle compute-intensive or latency-sensitive applications.Task scheduling is one of the key technologies in edge computing research and a reasonable task scheduling strategy can effectively improve the performance of edge nodes and resource utilization,and reduce the energy consumption.Firstly,the three-tier system architecture,the concept and process of task scheduling of edge computing are introduced.Secondly,the task scheduling strategies based on different objective optimization and their advantages and disadvantages are analyzed.Finally,the summary and prospect of edge computing's development are given.