Hybrid Two-Step Performance Measurement Method
draft-mirsky-ippm-hybrid-two-step-00

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IPPM Working Group                                             G. Mirsky
Internet-Draft                                                 ZTE Corp.
Intended status: Informational                              W. Lingqiang
Expires: August 31, 2018                                         G. Zhui
                                                         ZTE Corporation
                                                       February 27, 2018

             Hybrid Two-Step Performance Measurement Method
                  draft-mirsky-ippm-hybrid-two-step-00

Abstract

   Development of and advancements in automation of network operations
   brought new requirements toward measurement methodology.  Among them
   is ability to collect the instant telemetry as the packet being
   processed by the networking elements along its path through the
   domain.  This document introduces new hybrid measurement method,
   referred to as hybrid two-step, as it separates act of measuring and/
   or calculating performance metric from the act of collecting and
   transporting telemetry.

Status of This Memo

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   This Internet-Draft will expire on August 31, 2018.

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Mirsky, et al.           Expires August 31, 2018                [Page 1]
Internet-Draft               Hybrid Two-Step               February 2018

   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions used in this document . . . . . . . . . . . . . .   3
     2.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   3.  Problem Overview  . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Theory of Operation . . . . . . . . . . . . . . . . . . . . .   4
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   5
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     8.2.  Informative References  . . . . . . . . . . . . . . . . .   6
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   6

1.  Introduction

   Successful resolution of challenges of automated network operation,
   as part of overall life-cycle service orchestration, relies on
   collection of accurate and timely information that reflects the state
   of network elements on unprecedented massive, even grandiose scale.
   Because analysis and action upon the it requires considerable
   computing and storage resources, the network state information, also
   referred to as telemetry, is unlikely to be processed by network
   elements themselves but will be relayed into data lakes.  The process
   of producing telemetry information, collecting and transporting it
   for post-processing should equally work with data flows and specially
   inserted in the network test packets.  Per [RFC7799] classification
   such process classified as hybrid measurement method.

   Several technical methods were proposed to enable collection of
   telemetry information instantaneous to the packet processing.  Among
   them [P4.INT] and [I-D.ietf-ippm-ioam-data].

   This document introduces new hybrid measurement method, referred to
   as Hybrid Two-step (HTS), that it separates measuring and/or
   calculating performance metric from the collecting and transporting
   telemetry.  The hybrid two-step method extends two-step mode of
   Residence Time Measurement (RTM) defined in [RFC8169] to on-path
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