Benchmarking BGP Routers

Authors:
Qiang Wu;Yong Liao;Tilman Wolf;Lixin Gao
Affiliations:
Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA. qwu@ecs.umass.edu;Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA. yliao@ecs.umass.edu;Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA. wolf@ecs.umass.edu;Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA. lgao@ecs.umass.edu
Venue:
IISWC '07 Proceedings of the 2007 IEEE 10th International Symposium on Workload Characterization
Year:
2007

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Abstract

Determining which routes to use when forwarding traffic is one of the major processing tasks in the control plane of computer networks. We present a novel benchmark that evaluates the performance of the most commonly used Internet-wide routing protocol, the Border Gateway Protocol (BGP). Using this benchmark, we evaluate four different systems that implement BGP, including a uni-core and a dual-core workstation, an embedded network processor, and a commercial router. We present performance results for these systems under various loads of cross-traffic and explore the tradeoffs between different system architectures. Our observations help identify bottlenecks and limitations in current systems and can lead to next-generation router architectures that are better optimized for this important workload.