DetNet IP Data Plane Encapsulation
draft-ietf-detnet-dp-sol-ip-00

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DetNet                                                  J. Korhonen, Ed.
Internet-Draft
Intended status: Standards Track                           B. Varga, Ed.
Expires: January 1, 2019                                        Ericsson
                                                           June 30, 2018

                   DetNet IP Data Plane Encapsulation
                     draft-ietf-detnet-dp-sol-ip-00

Abstract

   This document specifies Deterministic Networking data plane operation
   for IP encapsulated user data.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on January 1, 2019.

Copyright Notice

   Copyright (c) 2018 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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Korhonen & Varga         Expires January 1, 2019                [Page 1]
Internet-Draft            DetNet IP Data Plane                 June 2018

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Terms used in this document . . . . . . . . . . . . . . .   3
     2.2.  Abbreviations . . . . . . . . . . . . . . . . . . . . . .   3
     2.3.  Requirements language . . . . . . . . . . . . . . . . . .   4
   3.  DetNet IP Data Plane Overview . . . . . . . . . . . . . . . .   4
     3.1.  DetNet IP Flow Identification . . . . . . . . . . . . . .   7
     3.2.  DetNet Data Plane Requirements  . . . . . . . . . . . . .   8
   4.  DetNet IP Data Plane Considerations . . . . . . . . . . . . .   8
     4.1.  End-system specific considerations  . . . . . . . . . . .   9
     4.2.  DetNet domain specific considerations . . . . . . . . . .  10
       4.2.1.  DetNet Routers  . . . . . . . . . . . . . . . . . . .  11
     4.3.  Networks with multiple technology segments  . . . . . . .  12
     4.4.  OAM . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
     4.5.  Class of Service  . . . . . . . . . . . . . . . . . . . .  12
     4.6.  Quality of Service  . . . . . . . . . . . . . . . . . . .  13
     4.7.  Cross-DetNet flow resource aggregation  . . . . . . . . .  14
     4.8.  Time synchronization  . . . . . . . . . . . . . . . . . .  15
   5.  Management and control plane considerations . . . . . . . . .  15
     5.1.  Explicit routes . . . . . . . . . . . . . . . . . . . . .  16
     5.2.  Service protection  . . . . . . . . . . . . . . . . . . .  16
     5.3.  Congestion protection and latency control . . . . . . . .  16
     5.4.  Flow aggregation control  . . . . . . . . . . . . . . . .  16
     5.5.  Bidirectional traffic . . . . . . . . . . . . . . . . . .  16
   6.  DetNet IP Encapsulation Procedures  . . . . . . . . . . . . .  17
     6.1.  Multi-Path Considerations . . . . . . . . . . . . . . . .  17
   7.  Mapping IP DetNet Flows to IEEE 802.1 TSN . . . . . . . . . .  17
     7.1.  TSN Stream ID Mapping . . . . . . . . . . . . . . . . . .  18
     7.2.  TSN Usage of FRER . . . . . . . . . . . . . . . . . . . .  18
     7.3.  Management and Control Implications . . . . . . . . . . .  18
   8.  Security considerations . . . . . . . . . . . . . . . . . . .  18
   9.  IANA considerations . . . . . . . . . . . . . . . . . . . . .  18
   10. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  18
   11. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  19
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     12.1.  Normative references . . . . . . . . . . . . . . . . . .  20
     12.2.  Informative references . . . . . . . . . . . . . . . . .  22
   Appendix A.  Example of DetNet data plane operation . . . . . . .  24
   Appendix B.  Example of pinned paths using IPv6 . . . . . . . . .  24
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  24