BGP - From Dinosaur to RaceCar

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Deployment Profiles, New Developments, Scale and Performance Results and Future Work of upcoming BGP features and enhancements.

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BGP - From Dinosaur to RaceCar

  1. 1. BGP – From Dinosaur to racecarWebinar - 28 February 2012
  2. 2. Agenda Deployment Profiles Summary of current service provider and enterprise customer BGP deployment profiles New Developments A review of BGP recent enhancements and features Scale & Performance Results BGP RR and PE scaling data Future Work Upcoming BGP features and enhancementsGoogle December 2011:Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 2
  3. 3. Deployment Profiles Deployment Profiles New Developments Scaling & Performance ResultsBRKRST-3371: Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 3
  4. 4. Service Provider Profile Most deployments use route reflector model BGP deployed for L3VPN (VPNv4/6), L2VPN, Internet (IPv4/6), and MVPN routing Current BGP table sizes Internet: ~415K VPN: ~1.5M Approximately 10% YOY growth expected for bothGoogle December 2011:Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 4
  5. 5. Enterprise Profile BGP deployed for large enterprise core networks running DMVPN, L3VPN over MPLS, and L3VPN over IP L3VPN over IP exploding in enterprise environment L2VPN BGP is gaining momentum Typical deployment scale in the range of a 50K+ routes reflectedGoogle December 2011:Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 5
  6. 6. New Developments Deployment Profiles New Developments Scaling & Performance ResultsBRKRST-3371: Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 6
  7. 7. New Developments Scale & Performance Increase scalability for existing hardware, newer RP cards, and new platforms Faster convergence Resiliency & High Availability Increase robustness of BGP peering Provide redundancy for routes and sessions Features Support for new functionality in the networkGoogle December 2011:Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 7
  8. 8. Scale & Performance Enhancements BGP Scaling Update Generation Enhancements Parallel Route Refresh Keepalive Enhancements Adaptive Update Cache Size PE Scaling PE-CE Optimization VRF-Based Advertise Bits Route Reflector Scaling Selective RIB DownloadGoogle December 2011:Advances in BGP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 8
  9. 9. click here.© © 2010 Cisco and/or its affiliates. All rights reserved. 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 9

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