DetNet Data Plane solution
draft-dt-detnet-dp-sol-00
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DetNet J. Korhonen, Ed.
Internet-Draft Broadcom
Intended status: Informational L. Andersson
Expires: September 14, 2017 Y. Jiang
Huawei
B. Varga
J. Farkas
Ericsson
CJ. Bernardos
UC3M
T. Mizrahi
Marvell
March 13, 2017
DetNet Data Plane solution
draft-dt-detnet-dp-sol-00
Abstract
This document specifies a PseudoWire-based Deterministic Networking
data plane solution. The data plane solution 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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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 September 14, 2017.
Copyright Notice
Copyright (c) 2017 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
Korhonen, et al. Expires September 14, 2017 [Page 1]
Internet-Draft DetNet data plane solution March 2017
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
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described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Requirements language . . . . . . . . . . . . . . . . . . . . 4
4. DetNet data plane Overview . . . . . . . . . . . . . . . . . 4
4.1. DetNet data plane solution requirements . . . . . . . . . 6
5. DetNet data plane solution . . . . . . . . . . . . . . . . . 6
5.1. DetNet Control Word . . . . . . . . . . . . . . . . . . . 7
5.2. DetNet flow identity word . . . . . . . . . . . . . . . . 7
5.3. DetNet encapsulation . . . . . . . . . . . . . . . . . . 8
6. PE reference model considerations . . . . . . . . . . . . . . 11
6.1. Forwarded clarifications . . . . . . . . . . . . . . . . 11
6.2. DA-T-PE processing clarifications . . . . . . . . . . . . 12
6.3. DA-S-PE processing clarifications . . . . . . . . . . . . 14
7. Other DetNet considerations . . . . . . . . . . . . . . . . . 15
7.1. Class of Service . . . . . . . . . . . . . . . . . . . . 15
7.2. Quality of Service . . . . . . . . . . . . . . . . . . . 15
7.3. Time synchronization . . . . . . . . . . . . . . . . . . 15
7.4. Bidirectional traffic . . . . . . . . . . . . . . . . . . 16
8. Control plane considerations . . . . . . . . . . . . . . . . 17
8.1. PW Label assignment and distribution . . . . . . . . . . 17
9. Security considerations . . . . . . . . . . . . . . . . . . . 17
10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 17
11. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 17
12. References . . . . . . . . . . . . . . . . . . . . . . . . . 18
12.1. Normative References . . . . . . . . . . . . . . . . . . 18
12.2. Informative References . . . . . . . . . . . . . . . . . 18
Appendix A. Example of DetNet data plane operation . . . . . . . 19
Appendix B. Example of pinned paths using IP PSN . . . . . . . . 21
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