高性能核心路由器关键技术研究

Research on Key Technologies of High Performance Core Router

高性能核心路由器是构建运营商网络的心脏,在新形势下,结合高清视频、VR/AR、无损音频和工业网络通信等应用的发展,提出了高性能核心路由器最为核心的一些关键技术。在硬件系统架构关键技术中,对比了传统背板架构的集群路由器和正交架构的大容量单机两种架构优劣,建议优先选择正交大容量单机满足功耗效率和产品成本等多方面优势。在硬件业务单板转发芯片关键技术中,对比了网络处理器、专用集成电路和X86三种转发芯片架构,建议优先选择基于网络处理器技术的转发芯片来满足各种新业务发展。在高速互联链关键技术中,提出224G高速互联链路技术已成为最新的关键技术点。在软件关键技术中,介绍了软件操作系统架构的发展历程,提出当前发展到了以数据为中心的组件化架构新软件操作系统。在综合业务关键技术中,总结出确定性、安全可信和SRv6三个关键技术。

High performance core router is the heart of building an operator network.In the new situation,combined with the development of high-definition video,VR/AR,lossless audio,industrial network communication and other applications,some key technologies of high-perfonnance core router are proposed.In the key technologies ofhardware system architecture,the advantages and disadvantages ofcluster router of traditional backplane architecture and large capacity stand-alone of orthogonal architecture are compared,and it is recommended to give priority to orthogonal laige capacity stand-alone to meet the power efficiency,product cost and other advantages.Among the key technologies of the forwarding chip on the service card,three forwarding chip architectures,namely,Network Processor(NP),Application Specific Integrated Circuit(ASIC)and X86,are compared.It is recommended to give priority to the forwarding chip based on NP technology to meet the development of various new service&In the key technology ofhigh-speed interconnection SERDES(SERializer/DESerializer),224G SERDES is proposed as the latest key technology point.In the key technologies of software,the development histoiy of software operating system architecture is introduced,and the new software operating system that has developed into a data centric component architecture is proposed.Among the key technologies of integrated services,three key technologies are summarized:determinacy,security and trusted,and SRv6.