Packet-Optical Integration in Segment Routing
draft-anand-spring-poi-sr-03

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SPRING Working Group                                      Madhukar Anand
Internet-Draft                                            Sanjoy Bardhan
Intended Status: Informational                       Ramesh Subrahmaniam
                                                    Infinera Corporation

                                                           Jeff Tantsura
                                                              Individual

                                                     Utpal Mukhopadhyaya
                                                             Equinix Inc

Expires: December 28, 2017                                 June 26, 2017

             Packet-Optical Integration in Segment Routing 
                      draft-anand-spring-poi-sr-03

Abstract

   This document illustrates a way to integrate a new class of nodes and
   links in segment routing to represent transport networks in an opaque
   way into the segment routing domain.  An instance of this class would
   be optical networks that are typically transport centric.  In the IP
   centric network, this will help in defining a common control protocol
   for packet optical integration that will include optical paths as
   'transport segments' or sub-paths as an augmentation to the defined
   extensions of segment routing. The transport segment option also
   defines a general mechanism to allow for future extensibility of
   segment routing into non-packet domains.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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Anand et al.,          Expires December 28, 2017                [Page 1]

Internet-Draft        draft-anand-spring-poi-sr-03         June 26, 2017

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Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Reference Taxonomy . . . . . . . . . . . . . . . . . . . . . .  4
   3. Use case - Packet Optical Integration . . . . . . . . . . . . .  5
   4.  Mechanism overview . . . . . . . . . . . . . . . . . . . . . .  8
   5.  PCEP-LS extensions for supporting the transport segment  . . .  8
   6.  OSPF extensions for supporting the transport segment . . . . . 10
   7.  OSPFv3 extensions for supporting the transport segment . . . . 11
   8.  IS-IS extensions for supporting the transport segment  . . . . 12
   9.  BGP-LS extensions for supporting the transport segment . . . . 14
   10. Note about Transport Segments and Scalability  . . . . . . . . 17
   11. Summary  . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
   12.  Security Considerations . . . . . . . . . . . . . . . . . . . 17
   13  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 17
     13.1 PCEP  . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     13.2 OSPF  . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     13.3 OSPFv3  . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     13.4 IS-IS . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     13.5 BGP-LS  . . . . . . . . . . . . . . . . . . . . . . . . . . 18
   14  References . . . . . . . . . . . . . . . . . . . . . . . . . . 19
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