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A Transport View to LMP. Osama Aboul-Magd [email protected] 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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Transport network architecture

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.)


Different names for different planes

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


Lmp gmpls and g 8080 constructs are closely mapped

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


Lmp for g 7714 1 and g 8080 discovery
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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