Requirements of Layer 3 Deterministic Latency Service
draft-geng-detnet-requirements-bounded-latency-03

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Network Working Group                                            L. Geng
Internet-Draft                                              China Mobile
Intended status: Informational                                 P. Willis
Expires: January 9, 2020                                              BT
                                                                S. Homma
                                                                     NTT
                                                                L. Qiang
                                                                  Huawei
                                                            July 8, 2019

         Requirements of Layer 3 Deterministic Latency Service
           draft-geng-detnet-requirements-bounded-latency-03

Abstract

   This document specifies some technical, operational and management
   requirements of deploying deterministic latency service on layer 3
   networks from the perspective of the service provider.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology & Abbreviations . . . . . . . . . . . . . . .   3
   2.  Technical Requirements  . . . . . . . . . . . . . . . . . . .   3
     2.1.  Requirement 1: Must support the dynamic creation,
           modification and deletion of deterministic services . . .   3
     2.2.  Requirement 2: Should tolerate a certain degree of time
           variance  . . . . . . . . . . . . . . . . . . . . . . . .   4
       2.2.1.  Sub-requirement 2.1: Should support asynchronous
               clocks across domains . . . . . . . . . . . . . . . .   4
       2.2.2.  Sub-requirement 2.2: Should tolerate clock jitter &
               wander within a clock synchronous domain  . . . . . .   4
     2.3.  Requirement 3: Must support Inter-Continental propagation
           delay . . . . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Operational and Management Requirements . . . . . . . . . . .   6
     3.1.  Requirement 4: Should have self-monitoring capability . .   6
     3.2.  Requirement 5: Should be robust against denial of service
           attacks . . . . . . . . . . . . . . . . . . . . . . . . .   6
     3.3.  Requirement 6: Must tolerate failures of links or nodes
           and topology changes  . . . . . . . . . . . . . . . . . .   7
     3.4.  Requirement 7: Must be scalable . . . . . . . . . . . . .   7
       3.4.1.  Sub-requirement 7.1: Must be scalable to numerous
               network devices . . . . . . . . . . . . . . . . . . .   7
       3.4.2.  Sub-requirement 7.2: Must be scalable to massive
               traffic flows . . . . . . . . . . . . . . . . . . . .   7
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   8
   7.  Normative References  . . . . . . . . . . . . . . . . . . . .   8
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   DetNet is chartered to provide bounds on latency, jitter (delay
   variation) and packet loss [draft-ietf-detnet-problem-statement].
   Where latency and jitter are two closely related performance
   characteristics, this document refers to bounded latency and bounded
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