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Basic BGP Convergence Benchmarking

Basic BGP Convergence Benchmarking. Bhavani Parise Rajiv Papneja Jay Karthik. Background. Terminology for Benchmarking BGP Device Convergence in the Control Plane (RFC 4098) / June 2005 Milestone: Jul 2010    Basic BGP Convergence Benchmarking Methodology to AD Review.

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Basic BGP Convergence Benchmarking

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  1. Basic BGP Convergence Benchmarking Bhavani Parise Rajiv Papneja Jay Karthik

  2. Background • Terminology for Benchmarking BGP Device Convergence in the Control Plane (RFC 4098) / June 2005 • Milestone: Jul 2010    Basic BGP Convergence Benchmarking Methodology to AD Review. • Few attendees of IETF-70 volunteered to work on the Methodology ID

  3. Planned Approach • Scope of initial version • Control plane convergence with emphasis on IPv4 • BGP 4+ /Multi-Protocol BGP (RFC 2858) - TBD • Methodology to leverage Terminology from RFC 4098

  4. Topologies / Scenarios             ______                                   ________           |            |                                |                |           |            |                                 |                |           |            |------------------------ |                |           |  DUT  |------------------------ |Emulator|           |            |------------------------ |                |           |            |                                 |                |           |            |                                 |                |            ----------                                   ------------- • Each link to the Emulator is a BGP adjacency in the same AS or different AS as needed • This topology is deemed sufficient to address all the classes of BGP Speakers (Section 4.2 of RFC4098)

  5. Benchmarking Scenarios Classes of BGP-Speaking Routers Provider • Edge Router • Subscriber Edge • Inter-AS Border Router • Core Router

  6. Factors affecting convergence • Number of Peers • Number of Routes per Peer • Policy Processing/Reconfiguration • Interactions with Other Protocols • Flap Damping • Timers • Authentication

  7. Failure Trigger Events • Soft Reset • Graceful Restart • Soft Refresh (RFC 2918) • Hard Reset • Section 5.1 of Methodology for benchmarking MPLS protection mechanisms

  8. Next Steps • Publish initial version of the Methodology document by end of Fall. • Room for co-authors especially from the SP community

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