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1. 北京邮电大学网络与交换技术国家重点实验室,北京 100876
2. 网络通信与安全紫金山实验室,江苏 南京 211111
[ "潘恬(1987- ),男,江苏常熟人,博士,北京邮电大学副教授、硕士生导师,主要研究方向为高速可编程网络、数据中心网络、低轨卫星网络等。" ]
[ "林兴晨(1995- ),男,福建宁德人,北京邮电大学硕士生,主要研究方向为高速可编程网络、数据中心网络等。" ]
[ "张娇(1986- ),女,河北保定人,博士,北京邮电大学副教授、博士生导师,主要研究方向为数据中心网络、传输控制协议、网络功能虚拟化等。" ]
[ "黄韬(1980- ),男,重庆人,博士,北京邮电大学教授、博士生导师,主要研究方向为未来网络体系架构、软件定义网络、信息中心网络等。" ]
[ "刘韵洁(1943- ),男,山东烟台人,中国工程院院士,主要研究方向为未来网络体系架构、网络操作系统、网络融合与演进、软件定义网络等。" ]
网络出版日期:2021-03,
纸质出版日期:2021-03-25
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潘恬, 林兴晨, 张娇, 等. 基于高性能包处理架构VPP的带内网络遥测系统[J]. 通信学报, 2021,42(3):75-90.
Tian PAN, Xingchen LIN, Jiao ZHANG, et al. In-band network telemetry system based on high-performance packet processing architecture VPP[J]. Journal on communications, 2021, 42(3): 75-90.
潘恬, 林兴晨, 张娇, 等. 基于高性能包处理架构VPP的带内网络遥测系统[J]. 通信学报, 2021,42(3):75-90. DOI: 10.11959/j.issn.1000-436x.2021016.
Tian PAN, Xingchen LIN, Jiao ZHANG, et al. In-band network telemetry system based on high-performance packet processing architecture VPP[J]. Journal on communications, 2021, 42(3): 75-90. DOI: 10.11959/j.issn.1000-436x.2021016.
面向高性能虚拟网络转发架构及设备VPP,通过重构数据平面的流水线处理模块,设计了基于矢量数据包处理技术的带内网络遥测方案,并在此基础上通过引入源路由机制引导遥测报文走向,实现了一种带内全网遥测的扩展案例。最后,基于虚拟机组网方式,搭建网络拓扑并进行网络性能评测。实验结果表明,该遥测系统能够在0.13 ms精度的遥测时间间隔下覆盖被测网络链路,并能以较小代价实时监测虚拟网络的链路拥塞情况。鉴于虚拟网络设备已在数据中心内被广泛部署,该方案通过高精度的虚拟网络测量覆盖,有望为数据中心内多租户网络和网络功能虚拟化的大规模部署提供可靠性保障。
An in-band network telemetry-based system was built based on VPP
a high-performance virtual network forwarding architecture/device
via reorganizing the data plane pipeline processing modules.Moreover
a network-wide telemetry mechanism was further developed via embedding source routing into the probe packet header for specifying the route of probe packets.Finally
a virtual network topology was built with performance evaluation conducted.The evaluation shows that the telemetry system can monitor the network in a high precision of every 0.13 ms
detecting link congestion in real time with minor performance overhead.Given virtual network devices have been widely deployed in data centers
the proposed scheme is expected to improve the reliability of multi-tenancy and network function virtualization in data centers via high-precision
network-wide virtual link telemetry coverage.
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