DetNet Data Plane Encapsulation
draft-ietf-detnet-dp-sol-04

Document Type Active Internet-Draft (detnet WG)
Last updated 2018-03-22
Replaces draft-dt-detnet-dp-sol
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DetNet                                                  J. Korhonen, Ed.
Internet-Draft                                                    Nordic
Intended status: Standards Track                            L. Andersson
Expires: September 23, 2018                                     Y. Jiang
                                                                 N. Finn
                                                                  Huawei
                                                                B. Varga
                                                               J. Farkas
                                                                Ericsson
                                                           CJ. Bernardos
                                                                    UC3M
                                                              T. Mizrahi
                                                                 Marvell
                                                               L. Berger
                                                                    LabN
                                                          March 22, 2018

                    DetNet Data Plane Encapsulation
                      draft-ietf-detnet-dp-sol-04

Abstract

   This document specifies Deterministic Networking data plane
   encapsulation solutions.  The described data plane solutions can be
   applied over either IP or MPLS Packet Switched Networks.

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
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on September 23, 2018.

Korhonen, et al.       Expires September 23, 2018               [Page 1]
Internet-Draft       DetNet Data Plane Encapsulation          March 2018

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
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Terms used in this document . . . . . . . . . . . . . . .   4
     2.2.  Abbreviations . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Requirements language . . . . . . . . . . . . . . . . . . . .   6
   4.  DetNet data plane overview  . . . . . . . . . . . . . . . . .   6
     4.1.  DetNet data plane encapsulation requirements  . . . . . .   8
     4.2.  Packet replication and elimination considerations . . . .  10
     4.3.  Packet reordering considerations  . . . . . . . . . . . .  10
   5.  DetNet encapsulation  . . . . . . . . . . . . . . . . . . . .  10
     5.1.  End-system specific considerations  . . . . . . . . . . .  10
     5.2.  DetNet domain specific considerations . . . . . . . . . .  12
       5.2.1.  DetNet Bridging Service . . . . . . . . . . . . . . .  13
       5.2.2.  DetNet Routing Service  . . . . . . . . . . . . . . .  14
     5.3.  DetNet Inter-Working Function (DN-IWF)  . . . . . . . . .  17
       5.3.1.  Networks with multiple technology segments  . . . . .  17
       5.3.2.  DN-IWF related considerations . . . . . . . . . . . .  18
   6.  MPLS-based DetNet data plane solution . . . . . . . . . . . .  19
     6.1.  DetNet specific packet fields . . . . . . . . . . . . . .  19
     6.2.  Data plane encapsulation  . . . . . . . . . . . . . . . .  19
     6.3.  DetNet control word . . . . . . . . . . . . . . . . . . .  20
     6.4.  Flow identification . . . . . . . . . . . . . . . . . . .  21
     6.5.  Service layer considerations  . . . . . . . . . . . . . .  21
       6.5.1.  Edge node processing  . . . . . . . . . . . . . . . .  22
       6.5.2.  Relay node processing . . . . . . . . . . . . . . . .  23
       6.5.3.  End system processing . . . . . . . . . . . . . . . .  25
     6.6.  Transport node considerations . . . . . . . . . . . . . .  25
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