Managing BGP Routes with a BGP Session Multiplexer
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This paper presents the design, implementation, and evaluation of BGP-Mux, a system for providing multiple clients access to a common set of BGP update streams from multiple BGP peers. By providing multiple clients access to the same set of BGP feeds, BGP-Mux facilitates many applications, including: (1) scalable, real-time monitoring of BGP update feeds; (3) new routing architectures that require access to all BGP routing updates from neighboring ASes (as opposed to just the best BGP route for each destination); and (2) virtual networks running on shared infrastructure that share common underlying network connectivity. We have implemented BGP-Mux through by configuring existing features in the Quagga software router; we have deployed BGP-Mux on VINI and evaluated its scalability and performance in a controlled environment on the Emulab testbed.