Signaling extensions for Media Channel sub-carriers configuration in Spectrum Switched Optical Networks (SSON) in Lambda Switch Capable (LSC) Optical Line Systems.
draft-ggalimbe-ccamp-flexigrid-carrier-label-09

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Internet Engineering Task Force                       G. Galimberti, Ed.
Internet-Draft                                               D. La Fauci
Intended status: Experimental                                      Cisco
Expires: September 7, 2020                               A. Zanardi, Ed.
                                                             L. Galvagni
                                                                     FBK
                                                               J. Meuric
                                                                  Orange
                                                           March 6, 2020

  Signaling extensions for Media Channel sub-carriers configuration in
Spectrum Switched Optical Networks (SSON) in Lambda Switch Capable (LSC)
                         Optical Line Systems.
            draft-ggalimbe-ccamp-flexigrid-carrier-label-09

Abstract

   This memo defines the signaling extensions for managing Spectrum
   Switched Optical Network (SSON) parameters shared between the Client
   and the Network and inside the Network in accordance to the model
   described in [RFC7698].  The extensions are in accordance and
   extending the parameters defined in ITU-T Recommendation
   G.694.1.[ITU.G694.1] and its extensions and G.872.[ITU.G872].

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   Copyright (c) 2011 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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   This Internet-Draft will expire on September 7, 2020.

Galimberti, et al.      Expires September 7, 2020               [Page 1]
Internet-Drafdraft-ggalimbe-ccamp-flexigrid-carrier-label-09  March 2020

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Client interface parameters . . . . . . . . . . . . . . . . .   3
   3.  Use Cases . . . . . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Signalling Extensions . . . . . . . . . . . . . . . . . . . .   5
     4.1.  New LSP Request Parameters  . . . . . . . . . . . . . . .   5
     4.2.  Extension to LSP set-up specification . . . . . . . . . .   7
       4.2.1.  Common Signal Description TLV . . . . . . . . . . . .   8
       4.2.2.  Sub-carrier List Content TLV  . . . . . . . . . . . .   9
       4.2.3.  Sub-carrier sub-TLV . . . . . . . . . . . . . . . . .  11
     4.3.  RSVP Protocol Extensions Considerations . . . . . . . . .  13
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  15
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  17
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  17
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  19
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

1.  Introduction

   Generalized Multiprotocol Label Switching (GMPLS) is widely used in
   Wavelength Switched Optical Network (WSON) to support the optical
   circuit set-up through the signalling between Core Nodes and Edge
   Nodes (reusing terminology from [RFC4208.  This extension addresses
   the use cases described by [RFC7698] Ch.3.3 and supports the
   information, needed in Spectrum Switched Optical Network (SSON), to
   signal a Media Channel and the associated carriers set request.  The
   new set of parameters is related to the Media Channel and the
   carrier(s) routed with it and keep the backward compatibility with
   the WSON signalling.  In particular this memo addresses the use cases
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