Error Performance Measurement in Packet-switched Networks
draft-mirsky-ippm-epm-00

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Network Working Group                                          G. Mirsky
Internet-Draft                                                    X. Min
Intended status: Standards Track                               ZTE Corp.
Expires: January 14, 2021                                  July 13, 2020

       Error Performance Measurement in Packet-switched Networks
                        draft-mirsky-ippm-epm-00

Abstract

   This document describes the use of the error performance metric to
   characterize a packet-switched network's conformance to the pre-
   defined set of performance objectives.  In this document, metrics
   that characterize error performance in a PSN are defined, as well as
   methods to measure and calculate them.  Also, the requirements for an
   active OAM protocol to support EPM in PSN are discussed, and
   potential candidate protocols analyzed.  All metrics and measurement
   methods are equally applicable to underlay and overlay networks.

Status of This Memo

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   This Internet-Draft will expire on January 14, 2021.

Copyright Notice

   Copyright (c) 2020 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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Mirsky & Min            Expires January 14, 2021                [Page 1]
Internet-Draft        Error Performance Measurement            July 2020

   include Simplified BSD License text as described in Section 4.e of
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions used in this document . . . . . . . . . . . . . .   3
     2.1.  Terminology and  Acronyms . . . . . . . . . . . . . . . .   3
     2.2.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   3.  Error Performance Metrics . . . . . . . . . . . . . . . . . .   4
     3.1.  Measure Error Performance Metrics . . . . . . . . . . . .   4
     3.2.  Calculate Error Performance Metrics . . . . . . . . . . .   5
   4.  Requirements to EPM . . . . . . . . . . . . . . . . . . . . .   5
   5.  Active OAM Protocol for EPM . . . . . . . . . . . . . . . . .   5
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   6
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   6
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   6
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .   6
     9.2.  Informative References  . . . . . . . . . . . . . . . . .   6
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   6

1.  Introduction

   Operations, Administration, and Maintenance (OAM) is a collection of
   methods to detect, characterize, localize failures in a network,
   monitor the network's performance by using various measurement
   methods.  Traditionally, the former set of OAM tools identified as
   Fault Management (FM) OAM.  The latter - Performance Monitoring (PM)
   OAM.  Some OAM protocols can be used for both groups of tasks, while
   some serve one particular group.  But regardless of how many OAM
   protocols are in use, network operators and network users are faced
   with multiple metrics that characterize the network conditions.  This
   document describes a new for packet-switched networks (PSN) component
   of OAM.

   Error performance measurement (EPM) is a part of an OAM toolset that
   provides an operator with information related to network measurements
   for a uni-directional or a bidirectional connection between two
   systems.  In current technology, EPM has been defined only for data
   communication methods that have a constant bit-rate transmission
   [ITU.G.826] and not for PSN, where transmissions are statistically
   random.  As a statistically multiplexed network in a PSN, a receiver
   node does not expect a packet to arrive from a sender node at a
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