Link Management Protocol Extensions for Grid Property Negotiation
draft-ietf-ccamp-grid-property-lmp-04

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Last updated 2016-09-22
Replaces draft-li-ccamp-grid-property-lmp
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Network Working Group                                       Q. Wang, Ed.
Internet-Draft                                                       ZTE
Intended status: Standards Track                           G. Zhang, Ed.
Expires: March 26, 2017                                            CAICT
                                                                   Y. Li
                                                      Nanjing University
                                                             R. Casellas
                                                                    CTTC
                                                                 Y. Wang
                                                                   CAICT
                                                      September 22, 2016

   Link Management Protocol Extensions for Grid Property Negotiation
                 draft-ietf-ccamp-grid-property-lmp-04

Abstract

   ITU-T [G.694.1] introduces the flexible-grid DWDM technique, which
   provides a new tool that operators can implement to provide a higher
   degree of network optimization than is possible with fixed-grid
   systems.  This document describes the extensions to the Link
   Management Protocol (LMP) to negotiate link grid property between the
   adjacent DWDM nodes before the link is brought up.

Status of This Memo

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   This Internet-Draft will expire on March 26, 2017.

Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Wang, et al.             Expires March 26, 2017                 [Page 1]
Internet-Draft            GMPLS Flexi-grid LMP            September 2016

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Requirements for Grid Property Negotiation  . . . . . . . . .   3
     3.1.  Flexi-fixed Grid Nodes Interworking . . . . . . . . . . .   3
     3.2.  Flexible-Grid Capability Negotiation  . . . . . . . . . .   4
     3.3.  Summary . . . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Application of Grid Property Negotiation  . . . . . . . . . .   5
   5.  LMP extensions  . . . . . . . . . . . . . . . . . . . . . . .   6
     5.1.  Grid Property Subobject . . . . . . . . . . . . . . . . .   6
   6.  Messages Exchange Procedure . . . . . . . . . . . . . . . . .   7
     6.1.  Flexi-fixed Grid Nodes Messages Exchange  . . . . . . . .   7
     6.2.  Flexible Nodes Messages Exchange  . . . . . . . . . . . .   9
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  10
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   10. Contributing Authors  . . . . . . . . . . . . . . . . . . . .  10
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  10
     11.2.  Informative References . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   ITU-T [G.694.1] introduces the flexible-grid DWDM technique, which
   provides a new tool that operators can implement to provide a higher
   degree of network optimization than is possible with fixed-grid
   systems.  A flexible-grid network supports allocating a variable-
   sized spectral slot to a channel.  Flexible-grid DWDM transmission
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