移动边缘计算综述

doi:10.11959/j.issn.1000-0801.2018011

Abstract

Abstract:

Mobile edge computing (MEC) technology integrates IT service environment and cloud computing technology at the edge of the network,improving the capacities of computing and storage of the edge of network,reducing network operation and service delivery delay and further enhancing the quality of experience (QoE) of users.Thus,MEC has attracted extensive attention and has been added in the 5G standard as a key technology.Firstly,the basic concept,reference architecture and technical advantages of MEC were introduced,and the current research state of MEC were summarized from three perspectives:academia,industry and standard setting.Then,the key enablers,application scenarios and specific deployment methods of MEC were introduced in detail.Finally,the existing problems of MEC,such as mobility,security and billing,as well as privacy protection,were discussed.

Key words: MEC, 5G, low latency, reference architecture, application scenario

CLC Number:

TN929.5

Zishu LI,Renchao XIE,Li SUN,Tao HUANG. A survey of mobile edge computing[J]. Telecommunications Science, 2018, 34(1): 87-101.

Figures/Tables 10

References 41

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条目	发起者	部署位置	主要驱动力及应用场景	是否支持边缘应用感知	移动性和不同边缘节点上相同应用的实时交互的支持
MEC	诺基亚，华为， IBM，英特尔，NTT DoCoMo，沃达丰	位于终端和数据中心之间，可以和接入点、基站、流量汇聚点、网关等组件共址	主要致力于为应用降低时延，适合物联网、车辆网、视频加速、AR/VR等多种应用场景	支持，特别支持对无线接入部分（如可用带宽）的感知	目前只提供终端从一个边缘节点移动到另一个边缘节点情况下的移动性管理支持
微云	美国卡耐基梅隆大学，英特尔，华为，沃达丰	位于终端和数据中心之间，可以和接入点、基站、流量汇聚点、网关等组件共址；还可以直接运行在车辆、飞机等终端上	主要从触觉互联网获得灵感，同样适用于物联网	本身不支持，但是支持该功能作为独立模块在微云本身之上进行扩展	目前只提供虚拟机映像从一个边缘节点到另一个离终端更近的边缘节点的切换的支持
雾计算	思科	位于终端和数据中心之间，可以和接入点、基站、流量汇聚点、网关等组件共址	针对需要分布式计算和存储的物联网场景设计	支持	完全支持雾节点之间的分布式应用之间的通信（例如智能交通灯之间的通信）

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