“互联网+”时代SDN/NFV技术发展与实践  

The Development and Practice of SDN/NFV Technology in "Internet+" Era

作　　者：王延松[1] 李为朴[1] 李海燕[1] 曹敏[1] 

机构地区：[1]中兴通讯股份有限公司,深圳518057

出　　处：《信息通信技术》2016年第5期20-27,共8页Information and communications Technologies

摘　　要："互联网+"时代,网络面临应用层出不穷、带宽飞速增长、网络僵化等挑战、互联网需要支持海量连接,支持跨域和多样化的带宽保证、低时延和高可靠性、网络可定制等要求。为解决上述问题,文章对SDN/NFV呈现出商业部署加快、从数据中心走向广域网、商业模式创新、全产业链构建等发展趋势进行了分析,阐述了中兴通讯提出的以"云"为中心、SDN/NFV技术双轮、三层重构的ElasticNet未来网络架构,以及中兴通讯从业界在移动互联网、云数据中心、5G网络、运营商网络CO重构等方面所做的大量SDN/NFV实践和创新。软硬件分离、开放可编程、虚拟化的SDN/NFV技术是解决"互联网+"时代所面临调整挑战的希望所在。In the 'lnternet+' era,networks are now facing lots of new challenges,i.e.increasing bandwidth demands,diversified applications and rigid networks.Also the Internet today dreams of satisfying plenty of new demands,e.g.massive connections,cross-domain and diversified bandwidth,low latency,high reliability and customizable networks.In order to solve the above problems,this paper states several trends of SDN/NFV,such as the speeding up of commercial deployment,the transforming from data center to WAN,the business model innovation,and the whole industry chain construction.Also it expounds the ElasticNet future network constructure which is cloud centered,supported by SDN/NFV and reconstructed of three layers.Many practices and innovations in SDN/NFV application,mainly include Internet,mobile Internet,cloud data center,5G,operator network CO refactoring,etc.As a result,the SDN/NFV technology known for separated software and hardware,programmable designs and remarkable virtualization is generated to make all the dreams come true.

关 键 词：通信技术 互联网+ 软件定义网络 网络功能虚拟化 虚拟化数据中心 5G网络 移动互联网 运营商网络CO重构 

分 类 号：TP393.0[自动化与计算机技术—计算机应用技术]