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draft-shawam-pwe3-ms-pw-protection-00.txt

draft-shawam-pwe3-ms-pw-protection-00.txt. L. Andersson, H. van Helvoort, A. Malis, J . Shin, L. Wang, A. D'Alessandro. Scope of current linear protection in RFC6387 (PSC) and RFC7271 (ITU-T mode) is protection for statically provisioned MPLS-TP LSPs

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draft-shawam-pwe3-ms-pw-protection-00.txt

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  1. draft-shawam-pwe3-ms-pw-protection-00.txt L. Andersson, H. van Helvoort, A. Malis, J. Shin, L. Wang, A. D'Alessandro

  2. Scope of current linear protection in RFC6387 (PSC) and RFC7271 (ITU-T mode) is protection for statically provisioned MPLS-TP LSPs Statically provisioned SS-PW: the end-to-end LSP tunnel is used for its protection Statically provisioned MS-PW: the section LSP tunnels can provide protection, however the intermediate S-PEs are unprotected and will be a single point of failure Solution: draft-shawam-pwe3-ms-pw-protection This is an extension of the standard applicabilityof RFC6378 and RFC7271 to coordinate MS-PW protection switching

  3. MS-PW trail protection – Reference Network MS_PW1 LSP21 LSP11 B (S-PE) D (S-PE) LSP31 PSN1 PSN2 PSN3 PSN4 A (T-PE) E (T-PE) F (S-PE) G (S-PE) H (S-PE) LSP12 LSP42 LSP22 LSP32 User packets sent over the active PW (MS-PW1 or MS-PW2) MS-PW2 Protected MS-PW Transport LSP1x Transport LSP2x Transport LSP3x Transport LSP4x LSP1x Label LSP2x Label LSP3x Label LSP4x Label User data Packets PWx Label PWx Label PWx Label PWx Label CW (opt) CW (opt) CW (opt) CW (opt) PW Payload PW Payload PW Payload PW Payload

  4. Going Forward • Presented to introduce draft to the WG • Please read and comment to the list (thanks for those that have already done so) • Draft will be updated to reflect comments, and then will ask for WG adoption

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