DetNet Data Plane Framework
draft-ietf-detnet-data-plane-framework-03

Document Type Active Internet-Draft (detnet WG)
Last updated 2019-12-04 (latest revision 2019-10-28)
Replaces draft-ietf-detnet-dp-sol-mpls, draft-ietf-detnet-dp-sol-ip
Stream IETF
Intended RFC status Informational
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Document shepherd Ethan Grossman
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Responsible AD Deborah Brungard
Send notices to Ethan Grossman <eagros@dolby.com>
DetNet                                                     B. Varga, Ed.
Internet-Draft                                                 J. Farkas
Intended status: Informational                                  Ericsson
Expires: April 29, 2020                                        L. Berger
                                                                D. Fedyk
                                                 LabN Consulting, L.L.C.
                                                                A. Malis
                                                             Independent
                                                               S. Bryant
                                                  Futurewei Technologies
                                                             J. Korhonen
                                                        October 27, 2019

                      DetNet Data Plane Framework
               draft-ietf-detnet-data-plane-framework-03

Abstract

   This document provides an overall framework for the DetNet data
   plane.  It covers concepts and considerations that are generally
   common to any Deterministic Networking data plane specification.

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 April 29, 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

Varga, et al.            Expires April 29, 2020                 [Page 1]
Internet-Draft         DetNet Data Plane Framework          October 2019

   publication of this document.  Please review these documents
   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Terms Used in This Document . . . . . . . . . . . . . . .   4
     2.2.  Abbreviations . . . . . . . . . . . . . . . . . . . . . .   4
   3.  DetNet Data Plane Overview  . . . . . . . . . . . . . . . . .   5
     3.1.  Data Plane Characteristics  . . . . . . . . . . . . . . .   6
       3.1.1.  Data Plane Technology . . . . . . . . . . . . . . . .   6
       3.1.2.  Data Plane Format . . . . . . . . . . . . . . . . . .   6
     3.2.  Encapsulation . . . . . . . . . . . . . . . . . . . . . .   6
     3.3.  DetNet Specific Metadata  . . . . . . . . . . . . . . . .   7
     3.4.  DetNet IP Data Plane  . . . . . . . . . . . . . . . . . .   8
     3.5.  DetNet MPLS Data Plane  . . . . . . . . . . . . . . . . .   9
     3.6.  Further DetNet Data Plane Considerations  . . . . . . . .   9
       3.6.1.  Per Flow Related Functions  . . . . . . . . . . . . .   9
       3.6.2.  Service Protection  . . . . . . . . . . . . . . . . .  11
       3.6.3.  Aggregation Considerations  . . . . . . . . . . . . .  13
       3.6.4.  End-System-Specific Considerations  . . . . . . . . .  14
       3.6.5.  Sub-Network Considerations  . . . . . . . . . . . . .  15
   4.  Controller Plane (Management and Control)
       Considerations  . . . . . . . . . . . . . . . . . . . . . . .  16
     4.1.  DetNet Controller Plane Requirements  . . . . . . . . . .  16
     4.2.  Generic Controller Plane Considerations . . . . . . . . .  17
       4.2.1.  Flow Aggregation Control  . . . . . . . . . . . . . .  18
       4.2.2.  Explicit Routes . . . . . . . . . . . . . . . . . . .  19
       4.2.3.  Contention Loss and Jitter Reduction  . . . . . . . .  19
       4.2.4.  Bidirectional Traffic . . . . . . . . . . . . . . . .  20
     4.3.  Packet Replication, Elimination, and Ordering (PREOF) . .  21
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  21
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  22
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  22
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  22
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