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A Transport View to LMP

A Transport View to LMP. Osama Aboul-Magd osama@nortelnetworks.com. Subnetwork. Trail. CP. Adaptation. Network Connection. AP. SNC. SNC. Trail Termination. Link Connection. Trail. TCP. Network Connection. Transport Network Architecture. AP Access Point CP Connection Point

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A Transport View to LMP

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  1. A Transport View to LMP Osama Aboul-Magd osama@nortelnetworks.com

  2. Subnetwork Trail CP Adaptation Network Connection AP SNC SNC Trail Termination Link Connection Trail TCP Network Connection Transport Network Architecture APAccess Point CP Connection Point TCP Termination Connection Point SNCSubnetwork Connection LC Link Connection • Client-Server model defined by a set • reference points • Applied recursively at different network • layers (e.g. RS, MS, etc.)

  3. Subnetwork SNP (G.8080) CP G.805 Adaptation (G.805) AP (G.805) Fabric Trail Termination (G.805) TCP (G.805) CTP (M.3100) SNP (G.8080) TTP (M.3100) Different Names for Different Planes Subnetwork CP Adaptation AP Trail Termination TCP Transport Plane Management Plane Control Plane

  4. bundle Component link Data link t l Fiber port TE Link TE Link LMP (GMPLS) and G.8080 constructs are closely mapped SNPP Link SNP Link SNPP SNP Trail Network Connection ASON SNP = LMP Data Port ASON SNP Link connection = LMP Data Link ASON SNPP = LMP TE Link Port ASON SNPP Link = GMPLS TE Link ASON SNP Name = GMPLS Label ASON SNPP Name = LMP TE Link Id Link Bundle construct does not exist in ASON

  5. LMP for G.7714.1 and G.8080 Discovery • G.7714.1 defines procedures for discovery and connectivity verification of transport resources ONLY • Control plane discovery is out of scope • Facilitated by the separation of transport and control plane names • LMP “Link Connectivity verification” procedure is partly the equivalent to G.7714.1 • Transport resources are not explicitly discovered in LMP • Transport and control plane names are the same. • Issues with Jx encoding for transport of test messages • ITU-T Liaison to IETF for potential use of LMP messages in G.7714.1 • LMP “Link Property Correlation” procedure is more related to ASON control plane discovery • Control plane discovery is now part of G.8080 amendment • LMP messages and procedures can potentially be used.

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