DetNet Data Plane: IP
draft-ietf-detnet-ip-04

Document Type Active Internet-Draft (detnet WG)
Last updated 2020-01-07 (latest revision 2019-11-21)
Replaces draft-ietf-detnet-dp-sol-ip
Stream IETF
Intended RFC status Proposed Standard
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DetNet                                                     B. Varga, Ed.
Internet-Draft                                                 J. Farkas
Intended status: Standards Track                                Ericsson
Expires: May 24, 2020                                          L. Berger
                                                                D. Fedyk
                                                 LabN Consulting, L.L.C.
                                                                A. Malis
                                                             Independent
                                                               S. Bryant
                                                  Futurewei Technologies
                                                             J. Korhonen
                                                       November 21, 2019

                         DetNet Data Plane: IP
                        draft-ietf-detnet-ip-04

Abstract

   This document specifies the Deterministic Networking data plane when
   operating in an IP packet switched 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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on May 24, 2020.

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
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents

Varga, et al.             Expires May 24, 2020                  [Page 1]
Internet-Draft                  DetNet IP                  November 2019

   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   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 . . . . . . . . . . . . . . . . . . . . . .   3
     2.3.  Requirements Language . . . . . . . . . . . . . . . . . .   4
   3.  DetNet IP Data Plane Overview . . . . . . . . . . . . . . . .   4
   4.  DetNet IP Data Plane Considerations . . . . . . . . . . . . .   6
     4.1.  End-system-specific Considerations  . . . . . . . . . . .   7
     4.2.  DetNet Domain-Specific Considerations . . . . . . . . . .   7
     4.3.  Forwarding Sub-Layer Considerations . . . . . . . . . . .   9
       4.3.1.  Class of Service  . . . . . . . . . . . . . . . . . .   9
       4.3.2.  Quality of Service  . . . . . . . . . . . . . . . . .  10
       4.3.3.  Path Selection  . . . . . . . . . . . . . . . . . . .  10
     4.4.  DetNet Flow Aggregation . . . . . . . . . . . . . . . . .  11
     4.5.  Bidirectional Traffic . . . . . . . . . . . . . . . . . .  12
   5.  DetNet IP Data Plane Procedures . . . . . . . . . . . . . . .  12
     5.1.  DetNet IP Flow Identification Procedures  . . . . . . . .  12
       5.1.1.  IP Header Information . . . . . . . . . . . . . . . .  13
       5.1.2.  Other Protocol Header Information . . . . . . . . . .  14
     5.2.  Forwarding Procedures . . . . . . . . . . . . . . . . . .  15
     5.3.  DetNet IP Traffic Treatment Procedures  . . . . . . . . .  15
   6.  Management and Control Information Summary  . . . . . . . . .  16
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  17
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  18
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  18
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  18
     10.1.  Normative references . . . . . . . . . . . . . . . . . .  18
     10.2.  Informative references . . . . . . . . . . . . . . . . .  19
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  22

1.  Introduction

   Deterministic Networking (DetNet) is a service that can be offered by
   a network to DetNet flows.  DetNet provides these flows extremely low
   packet loss rates and assured maximum end-to-end delivery latency.
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