5G网络切片综述

Survey of 5G network slicing

5G旨在支持大量具有不同性能要求的垂直行业,而网络切片是在相同的物理网络上满足不同业务通信需求的关键技术。网络切片是一个提供特定网络能力和特性的逻辑网络,以服务的形式满足垂直行业的差异化需求,保证每种业务都能根据具体需求按需定制网络。首先介绍了网络切片的基本概念和架构,然后从网络切片问题、隔离机制和标准制定三个方面概括了网络切片的研究现状,随后详细介绍了网络切片的关键技术,最后展望了网络切片的未来研究方向。

5 G is designed to support a large number of vertical industries with different performance requirements. Network slicing is a key technology satisfiing different business communication requirements based on the same physical network. It can meet the differentiated needs of the vertical industry in the form of services and ensure that each service can be customized according to specific needs. Firstly,the basic concepts and the architecture of the network slicing are introduced. Then,the current research status of network slicing is summarized from three aspects： network slicing problem,isolation and standard setting. Then key technologies for network slicing are introduced in detail. Finally,the future research direction of network slicing is prospected.