Deterministic Networking Application in Ring Topologies
draft-jiang-detnet-ring-00

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Last updated 2018-01-24
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Network Working Group                                         Y. Jiang
Internet-Draft                                                 N. Finn
Intended status: Informational                                  Huawei
                                                               J. Ryoo
                                                                  ETRI
                                                              B. Varga
                                                              Ericsson
                                                               L. Geng
                                                          China Mobile
Expires: July 2018                                    January 24, 2018

          Deterministic Networking Application in Ring Topologies
                        draft-jiang-detnet-ring-00

Abstract

   Deterministic Networking (DetNet) provides a capability to carry
   data flows for real-time applications with extremely low data loss
   rates and bounded latency. This document describes how DetNet can
   be used in ring topologies to support Point-to-Point (P2P) and
   Point-to-Multipoint (P2MP) real-time services.

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with
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   This Internet-Draft will expire on July 24, 2018.

Jiang and et al         Expires July 24, 2018                 [Page 1]
Internet-Draft                 DetNet Ring                January 2018

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   document authors. All rights reserved.

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Table of Contents

   1.   Introduction ............................................... 3
      1.1. Conventions used in this document ....................... 4
      1.2. Terminology ............................................. 4
   2.   P2P DetNet Ring ............................................ 4
      2.1. DetNet applications on a single ring for P2P traffic .... 4
      2.2. Implementation implications of a DetNet ring for P2P
      traffic ...................................................... 5
   3.   P2MP DetNet Ring ........................................... 5
      3.1. DetNet applications on a single ring for P2MP traffic ... 5
      3.2. Section LSPs as underlay (Service layer replication) .... 6
      3.3. P2MP LSP tunnels as underlay (LSP layer replication) .... 7
   4.   DetNet Ring Interconnections ............................... 8
      4.1. Single node interconnection ............................. 8
      4.1.1.  DetNet relay node as interconnection node ............ 9
      4.1.2.  Elimination first approach ........................... 9
      4.2. Dual node interconnection .............................. 10
      4.2.1.  Dual node interconnection for P2P traffic ........... 10
      4.2.2.  Elimination first approach in dual node interconnection
      for P2P traffic ............................................. 11
      4.2.3.  Dual node interconnection for P2MP traffic using
      section LSP ................................................. 11
      4.2.4.  Elimination first approach in dual node interconnection
      for P2MP traffic using section LSP .......................... 12
      4.2.5.  Dual node interconnection for P2MP traffic using P2MP
      LSP     13
   5.   Resource reservation ...................................... 13
   6.   Security Considerations ................................... 13
   7.   IANA Considerations ....................................... 13

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