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Basic BGP Convergence Benchmarking

Basic BGP Convergence Benchmarking . Rajiv Papneja Bhavani Parise. Background and Current Status. Terminology for Benchmarking BGP Device Convergence in the Control Plane (RFC 4098) / June 2005 Within BMWG charter, and milestone to send the document for AD review in July 2010

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Basic BGP Convergence Benchmarking

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  1. Basic BGP Convergence Benchmarking Rajiv Papneja Bhavani Parise

  2. Background and Current Status • Terminology for Benchmarking BGP Device Convergence in the Control Plane (RFC 4098) / June 2005 • Within BMWG charter, and milestone to send the document for AD review in July 2010 • Team formed to produce the methodology draft • draft-papneja-bmwg-bgp-convergence-meth-00.txt • Rajiv Papneja, Bhavani Parise, Rodney Dunn, Mohan Nanduri. Jay Karthik, & Eric Brendel

  3. Scope of the Draft • Data plane convergence with emphasis on BGP IPv4 • Scope limited to basic BGP convergence • Considers convergence for BGP speakers – core, border edge, and possibly route reflectors • Considers BGP Failure/Convergence Events • Considers dependencies on factors impacting convergence - such as number of peers, number of routes/peers, BGP/IGP interaction etc. • Data Traffic characterization – offered load • Various test cases to account for iBGP, eBGP, failure convergence events • Topologies – Several 2 node, and 3 node setups

  4. Test Methodologies • RIB-IN convergence • RIB-OUT convergence • iBGP convergence • eBGP convergence • eBGP multi-hop convergence • BGP Failure/Convergence Events • Physical Link failure (local/remote) • ECMP link failure (local/remote) • BGP session failure • Hard Reset tests - BGP Non-Recovering Hard Reset • BGP Soft Reset • BGP Route Withdrawal Convergence measurement • BGP Path Attribute Change Convergence Time • BGP Graceful Restart Convergence Time

  5. Next Steps • Publish initial version of the Methodology document by April 2010. • Welcoming contributors and input from SP community • Feedback welcome from the group on the test cases • Question for the group in terms of preference • Control vs. Data Plane BGP convergence • Our initial approach is for the data plane convergence benchmarking

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