"MPLS LSP Ping TLVs and sub-TLVs registry"
draft-pac-mpls-lsp-ping-tlvs-and-sub-tlvs-registry-00

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Last updated 2013-03-14 (latest revision 2013-02-16)
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Network Working Group                                       L. Andersson
Internet-Draft                                                   M. Chen
Intended status: Standards Track                                  Huawei
Expires: August 20, 2013                                        T. Petch
                                                Engineering Networks Ltd
                                                       February 16, 2013

               "MPLS LSP Ping TLVs and sub-TLVs registry"
       draft-pac-mpls-lsp-ping-tlvs-and-sub-tlvs-registry-00.txt

Abstract

   This document addresses issues with the structure, allocation
   policies and clarity in the use of the "TLVs and sub-TLVs" of the
   "Multi-Protocol Label Switching (MPLS) Label Switched Paths (LSPs)
   Ping Parameters" in the "Multiprotocol Label Switching Architecture
   (MPLS)" name space.

   This document does not change any existing allocations and the new
   structure is backwards compatible with the existing registries.

   The policy for the allocation of TLVs is unchanged but future
   allocations of sub-TLVs will come from a single namespace, common to
   all TLVs of LSP Ping Parameters.

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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 August 20, 2013.

Copyright Notice

   Copyright (c) 2013 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.

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Current situation  . . . . . . . . . . . . . . . . . . . . . .  5
     2.1.  Current situation - model  . . . . . . . . . . . . . . . .  5
     2.2.  Allocation policies and Scope  . . . . . . . . . . . . . .  6
     2.3.  A closer look at the model . . . . . . . . . . . . . . . .  6
   3.  New registry structure . . . . . . . . . . . . . . . . . . . .  9
     3.1.  If we'd done it from start . . . . . . . . . . . . . . . .  9
     3.2.  TLV Registry and allocation procedures . . . . . . . . . . 10
     3.3.  Sub-TLV registries and allocation policies . . . . . . . . 12
       3.3.1.  Sub-TLV registry for all TLVs  . . . . . . . . . . . . 12
       3.3.2.  Sub TLV registry for TLV Type 9  . . . . . . . . . . . 14
       3.3.3.  Sub TLV registry for TLV Type 11 . . . . . . . . . . . 15
       3.3.4.  Sub TLV registry for TLV Type 20 . . . . . . . . . . . 16
   4.  Security Considerations  . . . . . . . . . . . . . . . . . . . 17
   5.  IANA considerations  . . . . . . . . . . . . . . . . . . . . . 18
   6.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 20
   7.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 21
     7.1.  Normative References . . . . . . . . . . . . . . . . . . . 21
     7.2.  Informative references . . . . . . . . . . . . . . . . . . 21
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 22

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1.  Introduction

   This document revises the allocation policies in the use of the TLVs
   and sub-TLVs of the MPLS LSP Ping Parameters, as defined in
   [RFC4379].
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