Encapsulation For MPLS Inband Performance Measurement
draft-cheng-mpls-inband-pm-encapsulation-00

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MPLS Working Group                                              W. Cheng
Internet-Draft                                              China Mobile
Intended status: Standards Track                                  X. Min
Expires: September 11, 2019                                          ZTE
                                                                 T. Zhou
                                                                  Huawei
                                                                 X. Dong
                                                               FiberHome
                                                          March 10, 2019

         Encapsulation For MPLS Inband Performance Measurement
              draft-cheng-mpls-inband-pm-encapsulation-00

Abstract

   This document defines the encapsulation for MPLS inband performance
   measurement, which performs flow-based packet loss, delay, and jitter
   measurements on live traffic, by using the alternate-marking method.

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   This Internet-Draft will expire on September 11, 2019.

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   Copyright (c) 2019 IETF Trust and the persons identified as the
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   include Simplified BSD License text as described in Section 4.e of
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   2
       1.1.1.  Terminology . . . . . . . . . . . . . . . . . . . . .   3
       1.1.2.  Requirements Language . . . . . . . . . . . . . . . .   3
   2.  Flow-based Inband PM Encapsulation in MPLS  . . . . . . . . .   3
     2.1.  Examples for Applying Flow-ID and Nested Flow-ID  . . . .   4
   3.  Procedures of Encapsulation, Look-up and Decapsulation  . . .   7
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   8
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .   8
     7.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   [RFC8321] describes an alternate-marking (coloring) technique, and
   generally by which how to achieve hop-by-hop packet loss, delay, and
   jitter measurements, specifically, section 5 of [RFC8321] mentions
   the alternate-marking method application of MPLS performance
   measurement, but it fails to define the encapsulation for MPLS inband
   performance measurement using alternate-marking method.

   As mentioned in section 5 of [RFC8321], [RFC8372] discusses the
   desired capabilities for MPLS flow identification in order to perform
   a better MPLS inband performance measurement, and Synonymous Flow
   Label (SFL) introduced in [I-D.ietf-mpls-sfl-framework] is identified
   as a method of accomplishing MPLS flow identification.  This document
   employs a method other than SFL to accomplish MPLS flow
   identification.

   This document defines the encapsulation for MPLS inband performance
   measurement, which performs flow-based packet loss, delay, and jitter
   measurements on live traffic, by using the alternate-marking method.

1.1.  Conventions Used in This Document

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1.1.1.  Terminology

   LSP: Label Switched Path

   MPLS: Multi-Protocol Label Switching

   NMS: Network Management System
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