OSPF-TE Extensions for General Network Element Constraints
draft-ietf-ccamp-gmpls-general-constraints-ospf-te-10

 
Document
Type Active Internet-Draft (ccamp WG)
Last updated 2015-03-17 (latest revision 2015-03-06)
Replaces draft-zhang-ccamp-general-constraints-ospf-ext
Stream IETF
Intended RFC status Proposed Standard
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Network work group                                          Fatai Zhang
Internet Draft                                                Young Lee
Intended status: Standards Track                            Jianrui Han
                                                                 Huawei
                                                           G. Bernstein
                                                      Grotto Networking
                                                              Yunbin Xu
                                                                   CATR

Expires: September 5, 2015                                March 6, 2015

        OSPF-TE Extensions for General Network Element Constraints

         draft-ietf-ccamp-gmpls-general-constraints-ospf-te-10.txt

Abstract

   Generalized Multiprotocol Label Switching (GMPLS) can be used to
   control a wide variety of technologies including packet switching
   (e.g., MPLS), time-division (e.g., SONET/SDH, Optical Transport
   Network (OTN)), wavelength (lambdas), and spatial switching (e.g.,
   incoming port or fiber to outgoing port or fiber). In some of these
   technologies, network elements and links may impose additional
   routing constraints such as asymmetric switch connectivity, non-
   local label assignment, and label range limitations on links. This
   document describes Open Shortest Path First (OSPF) routing protocol
   extensions to support these kinds of constraints under the control
   of GMPLS.

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
   Task Force (IETF), its areas, and its working groups.  Note that
   other groups may also distribute working documents as Internet-
   Drafts.

   Internet-Drafts are draft documents valid for a maximum of six
   months and may be updated, replaced, or obsoleted by other documents

<Zhang>                 Expires September 2015                 [Page 1]
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   at any time.  It is inappropriate to use Internet-Drafts as
   reference material or to cite them other than as "work in progress."

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/ietf/1id-abstracts.txt

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   This Internet-Draft will expire on September 5, 2015.

Copyright Notice

   Copyright (c) 2015 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
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with
   respect to this document.  Code Components extracted from this
   document must include Simplified BSD License text as described in
   Section 4.e of the Trust Legal Provisions and are provided without
   warranty as described in the Simplified BSD License.

Conventions used in this document

   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].

Table of Contents

   1. Introduction...................................................3
   2. Node Information...............................................4
      2.1. Connectivity Matrix.......................................4
   3. Link Information...............................................4
      3.1. Port Label Restrictions...................................5
   4. Routing Procedures.............................................5
   5. Scalability and Timeliness.....................................6
      5.1. Different Sub-TLVs into Multiple LSAs.....................6
      5.2. Decomposing a Connectivity Matrix into Multiple Matrices..7
   6. Security Considerations........................................7

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   7. Manageability..................................................8
   8. IANA Considerations............................................8
      8.1. Node Information..........................................8
      8.2. Link Information..........................................9
   9. References.....................................................9
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