DetNet Data Plane: MPLS
draft-ietf-detnet-mpls-04
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2019-11-25
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draft-ietf-detnet-dp-sol-mpls
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Ethan Grossman
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Deborah Brungard
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Ethan Grossman <eagros@dolby.com>
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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: MPLS
draft-ietf-detnet-mpls-04
Abstract
This document specifies the Deterministic Networking data plane when
operating over an 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
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 MPLS 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 . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Terms Used in This Document . . . . . . . . . . . . . . . 3
2.2. Abbreviations . . . . . . . . . . . . . . . . . . . . . . 4
2.3. Requirements Language . . . . . . . . . . . . . . . . . . 5
3. DetNet MPLS Data Plane Overview . . . . . . . . . . . . . . . 5
3.1. Layers of DetNet Data Plane . . . . . . . . . . . . . . . 5
3.2. DetNet MPLS Data Plane Scenarios . . . . . . . . . . . . 6
4. MPLS-Based DetNet Data Plane Solution . . . . . . . . . . . . 8
4.1. DetNet Over MPLS Encapsulation Components . . . . . . . . 8
4.2. MPLS Data Plane Encapsulation . . . . . . . . . . . . . . 9
4.2.1. DetNet Control Word and the DetNet Sequence Number . 10
4.2.2. S-Labels . . . . . . . . . . . . . . . . . . . . . . 11
4.2.3. F-Labels . . . . . . . . . . . . . . . . . . . . . . 14
4.3. OAM Indication . . . . . . . . . . . . . . . . . . . . . 16
4.4. Flow Aggregation . . . . . . . . . . . . . . . . . . . . 17
4.4.1. Aggregation Via LSP Hierarchy . . . . . . . . . . . . 17
4.4.2. Aggregating DetNet Flows as a new DetNet flow . . . . 17
4.5. Service Sub-Layer Considerations . . . . . . . . . . . . 19
4.5.1. Edge Node Processing . . . . . . . . . . . . . . . . 19
4.5.2. Relay Node Processing . . . . . . . . . . . . . . . . 19
4.6. Forwarding Sub-Layer Considerations . . . . . . . . . . . 20
4.6.1. Class of Service . . . . . . . . . . . . . . . . . . 20
4.6.2. Quality of Service . . . . . . . . . . . . . . . . . 20
5. Management and Control Information Summary . . . . . . . . . 21
5.1. Service Sub-Layer Information Summary . . . . . . . . . . 21
5.1.1. Service Aggregation Information Summary . . . . . . . 22
5.2. Forwarding Sub-Layer Information Summary . . . . . . . . 23
6. Security Considerations . . . . . . . . . . . . . . . . . . . 24
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 25
8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 25
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 25
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