Distribution of Traffic Engineering (TE) Policies and State using BGP-LS
draft-ietf-idr-te-lsp-distribution-07

Document Type Active Internet-Draft (idr WG)
Last updated 2017-10-19 (latest revision 2017-07-01)
Stream IETF
Intended RFC status Proposed Standard
Formats plain text pdf html bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state I-D Exists
Consensus Boilerplate Yes
Telechat date
Responsible AD (None)
Send notices to (None)
Network Working Group                                    S. Previdi, Ed.
Internet-Draft                                       Cisco Systems, Inc.
Intended status: Standards Track                            J. Dong, Ed.
Expires: January 2, 2018                                         M. Chen
                                                     Huawei Technologies
                                                              H. Gredler
                                                            RtBrick Inc.
                                                             J. Tantsura
                                                              Individual
                                                            July 1, 2017

Distribution of Traffic Engineering (TE) Policies and State using BGP-LS
                 draft-ietf-idr-te-lsp-distribution-07

Abstract

   This document describes a mechanism to collect the Traffic
   Engineering and Policy information that is locally available in a
   router and advertise it into BGP-LS updates.  Such information can be
   used by external components for path computation, re-optimization,
   service placement, network visualization, etc.

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 in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 2, 2018.

Previdi, et al.          Expires January 2, 2018                [Page 1]
Internet-Draft  MPLS TE LSP State Distribution using BGP       July 2017

Copyright Notice

   Copyright (c) 2017 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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Carrying TE Policy Information in BGP . . . . . . . . . . . .   5
     2.1.  TE Policy Information . . . . . . . . . . . . . . . . . .   5
     2.2.  TE Policy NLRI  . . . . . . . . . . . . . . . . . . . . .   5
       2.2.1.  TE Policy Descriptors . . . . . . . . . . . . . . . .   7
     2.3.  TE Policy State . . . . . . . . . . . . . . . . . . . . .  12
       2.3.1.  RSVP Objects  . . . . . . . . . . . . . . . . . . . .  14
       2.3.2.  PCE Objects . . . . . . . . . . . . . . . . . . . . .  15
       2.3.3.  SR TE Policy Sub-TLVs . . . . . . . . . . . . . . . .  16
   3.  Operational Considerations  . . . . . . . . . . . . . . . . .  22
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  22
     4.1.  BGP-LS NLRI-Types . . . . . . . . . . . . . . . . . . . .  22
     4.2.  BGP-LS Protocol-IDs . . . . . . . . . . . . . . . . . . .  23
     4.3.  BGP-LS Descriptors TLVs . . . . . . . . . . . . . . . . .  23
     4.4.  BGP-LS LSP-State TLV Path Origin  . . . . . . . . . . . .  23
     4.5.  BGP-LS LSP-State TLV Dataplane  . . . . . . . . . . . . .  24
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  24
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  24
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  24
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  25
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  25
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  26
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  27

1.  Introduction
Show full document text