Passive Performance Monitoring using a Multiplexed Marking Field
draft-mizrahi-ippm-multiplexed-alternate-marking-01

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Last updated 2017-03-05
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Network Working Group                                         T. Mizrahi
Internet-Draft                                                   Marvell
Intended status: Informational                               G. Fioccola
Expires: September 6, 2017                                Telecom Italia
                                                                 M. Chen
                                                                L. Zheng
                                                     Huawei Technologies
                                                               G. Mirsky
                                                           March 5, 2017

    Passive Performance Monitoring using a Multiplexed Marking Field
          draft-mizrahi-ippm-multiplexed-alternate-marking-01

Abstract

   This memo introduces a marking method that uses a single marking bit,
   or two marking values, and allows accurate loss and delay
   measurement.

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
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   This Internet-Draft will expire on September 6, 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
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   (http://trustee.ietf.org/license-info) in effect on the date of
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Internet-Draft        Multiplexed Alternate Marking           March 2017

   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.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Requirements Language . . . . . . . . . . . . . . . . . .   4
     2.2.  Abbreviations . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Alternate Marking using a Multiplexed Marking Bit . . . . . .   4
     3.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   4
     3.2.  Timing and Synchronization Aspects  . . . . . . . . . . .   5
   4.  Alternate Marking using Two Multiplexed Marking Values  . . .   7
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .   8
     7.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   Alternate marking, defined in [I-D.ietf-ippm-alt-mark], is a method
   for measuring packet loss, packet delay, and packet delay variation.
   Typical delay measurement protocols require the two measurement
   points (MPs) to exchange timestamped test packets.  In contrast, the
   alternate marking method does not require control packets to be
   exchanged.  Instead, every data packet carries a color indicator,
   which divides the traffic into consecutive blocks of packets.

   The color indicator may either be a single-bit binary indication, or
   a two reserved values of a larger field, such as an IPv6 Flow Label
   or an MPLS Label.  Throughout the rest of the document it is assumed
   that the color indication is a single-bit field, unless specified
   otherwise.  The color value is toggled periodically, as illustrated
   in Figure 1.

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   A: packet with color 0
   B: packet with color 1

   Packets      AAAAAAAAAA BBBBBBBBBB AAAAAAAAAA BBBBBBBBBB AAAAAAAAAA
      Time   ---------------------------------------------------------->
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