DetNet Data Plane: MPLS over IEEE 802.1 Time Sensitive Networking (TSN)
draft-ietf-detnet-mpls-over-tsn-00

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Last updated 2019-05-06
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DetNet                                                     B. Varga, Ed.
Internet-Draft                                                 J. Farkas
Intended status: Standards Track                                Ericsson
Expires: November 6, 2019                                       A. Malis
                                                               S. Bryant
                                                     Huawei Technologies
                                                             J. Korhonen
                                                             May 5, 2019

DetNet Data Plane: MPLS over IEEE 802.1 Time Sensitive Networking (TSN)
                   draft-ietf-detnet-mpls-over-tsn-00

Abstract

   This document specifies the Deterministic Networking MPLS data plane
   when operating over a TSN network.

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
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   This Internet-Draft will expire on November 6, 2019.

Copyright Notice

   Copyright (c) 2019 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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   (https://trustee.ietf.org/license-info) in effect on the date of
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Varga, et al.           Expires November 6, 2019                [Page 1]
Internet-Draft            DetNet MPLS over TSN                  May 2019

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Terms Used in This Document . . . . . . . . . . . . . . .   3
     2.2.  Abbreviations . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Requirements Language . . . . . . . . . . . . . . . . . . . .   5
   4.  DetNet MPLS Data Plane Overview . . . . . . . . . . . . . . .   5
     4.1.  Layers of DetNet Data Plane . . . . . . . . . . . . . . .   5
     4.2.  DetNet MPLS Data Plane Scenarios  . . . . . . . . . . . .   6
     4.3.  Packet Flow Example with Service Protection . . . . . . .   9
   5.  DetNet MPLS Data Plane Considerations . . . . . . . . . . . .  11
     5.1.  Sub-Network Considerations  . . . . . . . . . . . . . . .  12
   6.  DetNet MPLS Operation Over IEEE 802.1 TSN Sub-Networks  . . .  12
     6.1.  Mapping of TSN Stream ID and Sequence Number  . . . . . .  14
     6.2.  TSN Usage of FRER . . . . . . . . . . . . . . . . . . . .  15
     6.3.  Procedures  . . . . . . . . . . . . . . . . . . . . . . .  16
     6.4.  Layer 2 Addressing and QoS Considerations . . . . . . . .  16
   7.  Management and Control Considerations . . . . . . . . . . . .  16
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  17
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  17
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  17
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  17
     11.2.  Informative References . . . . . . . . . . . . . . . . .  19
   Appendix A.  Example of DetNet Data Plane Operation . . . . . . .  23
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  23

1.  Introduction

   [Editor's note: Introduction to be made specific to DetNet MPLS over
   TSN scenario.  May be similar to intro of DetNet IP over TSN.].

   Deterministic Networking (DetNet) is a service that can be offered by
   a network to DetNet flows.  DetNet provides these flows with a low
   packet loss rates and assured maximum end-to-end delivery latency.
   General background and concepts of DetNet can be found in
   [I-D.ietf-detnet-architecture].

   The DetNet Architecture decomposes the DetNet related data plane
   functions into two sub-layers: a service sub-layer and a forwarding
   sub-layer.  The service sub-layer is used to provide DetNet service
   protection and reordering.  The forwarding sub-layer is used to
   provides congestion protection (low loss, assured latency, and
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