A Framework of MPLS Global Label
draft-li-mpls-global-label-framework-01

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Document Type Active Internet-Draft (individual)
Authors Zhenbin Li  , Quintin Zhao  , Tianle Yang 
Last updated 2014-02-14
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Network Working Group                                              Z. Li
Internet-Draft                                                   Q. Zhao
Intended status: Informational                       Huawei Technologies
Expires: August 18, 2014                                         T. Yang
                                                            China Mobile
                                                       February 14, 2014

                    A Framework of MPLS Global Label
                draft-li-mpls-global-label-framework-01

Abstract

   The document defines the framework of MPLS global label including:
   representation of MPLS global label, process of control plane for
   MPLS global label, and process of data plane for MPLS global label.

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
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   This Internet-Draft will expire on August 18, 2014.

Copyright Notice

   Copyright (c) 2014 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

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   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Representation of MPLS Global Label . . . . . . . . . . . . .   3
     3.1.  Option A  -- Traditional MPLS Label . . . . . . . . . . .   3
     3.2.  Option B -- Expansions of MPLS Label  . . . . . . . . . .   3
   4.  Control Plane . . . . . . . . . . . . . . . . . . . . . . . .   4
     4.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   4
       4.1.1.  Shared MPLS Global Label Range Calculation  . . . . .   4
       4.1.2.  MPLS Global Label Allocation  . . . . . . . . . . . .   4
       4.1.3.  MPLS Global Label Withdraw  . . . . . . . . . . . . .   5
       4.1.4.  Error Process . . . . . . . . . . . . . . . . . . . .   5
       4.1.5.  Redundancy  . . . . . . . . . . . . . . . . . . . . .   5
     4.2.  BGP-Based Control Plane . . . . . . . . . . . . . . . . .   6
     4.3.  IGP-Based Control Plane . . . . . . . . . . . . . . . . .   6
     4.4.  PCE-Based Control Plane . . . . . . . . . . . . . . . . .   8
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .   9
     7.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  10

1.  Introduction

   [I-D.li-mpls-global-label-usecases] proposes possible usecases of
   MPLS global label.  MPLS global label can be used for identification
   of the location, the service and the network in different application
   scenarios.  The new solutions based on MPLS global label can gain
   advantage over the existing solutions to facilitate service
   provisions.

   This document defines the framework for MPLS global label.  The
   framework includes the representation of MPLS global label, the
   process of control plane and data plane for MPLS global label.

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2.  Terminology
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