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L3VPN scaling considerations

L3VPN scaling considerations. Draft- gs - vpn -scaling Wes George Rob Shakir. Draft objective. Discuss challenges in large-scale L3VPN deployments Deployment considerations for operators Implementation/protocol considerations Common problems at scale, BCP and gaps for:

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L3VPN scaling considerations

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  1. L3VPN scaling considerations Draft-gs-vpn-scaling Wes George Rob Shakir

  2. Draft objective • Discuss challenges in large-scale L3VPN deployments • Deployment considerations for operators • Implementation/protocol considerations • Common problems at scale, BCP and gaps for: • PE-CE routing protocols • Multicast • Network events • General route scale • Discuss gaps in tools for modeling and capacity planning

  3. To Do list Are these things important to add? • Inter-AS VPN NNI scaling considerations • separate discussions on 10A, 10B/hybrid, 10C? • Label Exhaustion • BGP Fast External Fallover • additional scaling considerations if using L2TPv3 or RSVP-TE tunneling for PE-PE transport • Future scaling considerations • MPLS-TP at the edge • interworking with L2 technologies • significant increases in density • bolster SDN/Openflow section

  4. Next steps • Need contributors for multicast sections • Need additional substantive reviews, especially from other large L3VPN operators • Adopt as WG item?

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