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PBB-VPLS with MPLS Access Network

PBB-VPLS with MPLS Access Network. Draft-sajassi-l2vpn-pbb-vpls-mpls-access-00.txt July 28, 2008. Authors. Ali Sajassi Samer Salam Nabil Bitar Dinesh Mohan. Where we left out in March 08. NEXT STEP

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PBB-VPLS with MPLS Access Network

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  1. PBB-VPLS with MPLS Access Network Draft-sajassi-l2vpn-pbb-vpls-mpls-access-00.txt July 28, 2008

  2. Authors • Ali Sajassi • Samer Salam • Nabil Bitar • Dinesh Mohan

  3. Where we left out in March 08 NEXT STEP • Now, the coverage of different interworking scenarios is very complete in draft-sajassi-l2vpn-vpls-pbb-interop-03.txt • Have addressed the previous issues/shortcomings • Ready for the WG call • But discussing with the authors and other interested parties regarding re-arranging the contents between this draft and the other draft on .1ah along the following functional lines • Data-plane interworking: native 802.1ah w/ VPLS • Data-plane interworking: native 802.1ah over H-VPLS & migration • Control-plane: Signaling & auto-discovery • Other areas that need to be addressed • MAC flushing • Multicast • etc.

  4. What is it ? • Separate out the PBB-VPLS interop scenarios for MPLS Access network into this new draft • It covers PBB functionality on • u-PE devices • n-PE devices • Mixe of u-PE & n-PE devices • It covers both single I-SID & multiple I-SID domains • It covers different migration scenarios • 802.1ad service frames over VPLS core • 802.1ah frames over VPLS core • mix of both 802.1ad & .1ah frames over VPLS core

  5. Connectivity between Native 802.1ah and VPLS core • Only applies to native 802.1ah network connectivity to VPLS core • - e.g., H-VPLS w/ 802.1ah access and not H-VPLS w/ MPLS access • Three types of interfaces • Type-I: B-tagged Service I/F w/ B-tag as service delimiter • Type-II: B-tagged Service I/F w/ I-tag as service delimiter • Type-III: I-tagged Service I/F w/ I-tag as service delimiter

  6. u-PE w/ IB-BEB u-PE u-PE u-PE w/ IB-BEB u-PE w/ IB-BEB u-PE u-PE w/ IB-BEB u-PE PE w/ Inv IB-BEB P CE P n-PE P CE n-PE CE n-PE CE P Migration Scenario – Mixed Service Frames over VPLS core Access Network (MPLS) Core Network (MPLS) Access Network (MPLS)

  7. Next Step • Discuss it w/ interested parties in aligning the PBB-VPLS work for MPLS access • Solicit WG input • Ask for WG status prior to March 09

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