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MPLS VPN Scaling Challenges: BoF Issues and Solutions

Explore scaling issues in MPLS VPNs: size of VPNs, site numbers, tree size, distance between sites. Discuss drafts on CCAMP, L3VPN, L2VPN, MPLS, NVO3, PWE3. Desired outcomes: list critical issues, commonality, kick-start solutions. BoF preparing process and agenda outlined.

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MPLS VPN Scaling Challenges: BoF Issues and Solutions

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  1. Scaling of MPLS VPNsProposed Non-Working Group Forming BoF IETF 89 – London Xxxday, yy:zz-aa:bb

  2. Issues and Concerns • What type of scaling are of interest? • Size of VPNs • Number of sites • Number of prefixes • Size of multicast trees • "Distance" between sites (multi-AS) • Number of VPNs • What are the real scaling points • MPLS specific • VPN specific

  3. Drafts already posted-I Note this is a layman’s approximation, some might have been missed other added by mistake • CCAMP • draft-fedyk-ccamp-uni-extensions • L3VPN • draft-gs-vpn-scaling • draft-xu-l3vpn-virtual-subnet • draft-renwei-l3vpn-big-label

  4. Drafts already posted - II • L2VPN • draft-zhang-l2vpn-evpn-selective-mcast • draft-sd-l2vpn-evpn-overlay • draft-rabadan-l2vpn-evpn-prefix-advertisement • draft-hao-l2vpn-evpn-mhn

  5. Drafts already posted - III • MPLS • draft-renwei-mpls-big-label • draft-li-mpls-mega-label • draft-li-mpls-label-stack-distribution • draft-li-mpls-global-label-usecases • NVO3 • PWE3

  6. Desired outcomes of a BoF Desired outcome • List Critical scaling issues • Commonality between the scaling issues • Coordinate and kick-start necessary work in the correct place. • Action Items

  7. Desired outcomes of a BoF BoF Preparing Process • Announce the BoF as early as possible(preliminary here in Vancouver) • Request contributions • Stuckees • Build Agenda

  8. Desired outcomes of a BoF BoF Agenda (outline) • Presentation 1 • Clarifying questions • Pesentation 2 • Clarifying questions • Presentation 3 • Clarifying questions • Discussion • Summary

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