协议无关交换机架构技术与应用白皮书2019.pdf

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1、协议无关交换机架构技术与应用白皮书协议无关交换机架构技术与应用白皮书联合编写单位:中国联通网络技术研究院网络通信与安全紫金山实验室北京邮电大学BarefootNetworks2019年10月[在此处键入]协议无关交换机架构技术与应用白皮书协议无关交换机架构技术与应用白皮书目录1序言...........................................................12云网业务与SDN发展趋势........................................53P

2、4可编程语言...................................................73.1.P4的诞生和概念......................................................73.2.P4的创新点及优势....................................................74协议无关可编程芯片设计理念与架构...............................94.1.PISA模型.......

3、.....................................................94.2.基于Tofino的交换设备................................................94.3.SDKvsSDE..........................................................115可编程芯片的主要应用领域......................................135.1.带内网络遥测..

4、.......................................................135.2.云网性能优化.........................................................135.3.5G承载..............................................................165.4.网络自动化测试................................................

5、.......186行业生态合作..................................................216.1.开源生态.............................................................216.2.产业生态.............................................................227总结与展望.........................................

6、...........25缩略语............................................................27白皮书联合编写单位................................................29协议无关交换机架构技术与应用白皮书协议无关交换机架构技术与应用白皮书1序言Networkinghaschangedenormouslyinthepast10-15years.In2005,everyhyperscaledatacenteru

7、sedclosedproprietaryvendorsoftwaretoruntheirnetwork.Today,allofthetop10hyperscalersworldwidewritetheirownsoftwaretocontroltheirnetwork(e.g.SONiC,FBOSS,Stratum),oruseopen-source.Next,thebigtelcooperatorswilldothesame,withONAPandDANOSandONF'sONOS,TrellisandSE

8、BA.Whyhasthishappened?Basically,theindustrymodelwaswrong:Onlynetworkoperatorsknowbesthowtocontroltheirnetwork,sotheyneedtowritetheirownsoftware.Weareinthemiddleofabigindustrytransitioninwhichtheyaretak