DetNet IP Data Plane Encapsulation
draft-ietf-detnet-dp-sol-ip-01
DetNet J. Korhonen, Ed.
Internet-Draft
Intended status: Standards Track B. Varga, Ed.
Expires: April 24, 2019 Ericsson
October 21, 2018
DetNet IP Data Plane Encapsulation
draft-ietf-detnet-dp-sol-ip-01
Abstract
This document specifies Deterministic Networking data plane operation
for IP encapsulated user data.
Status of This Memo
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This Internet-Draft will expire on April 24, 2019.
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Korhonen & Varga Expires April 24, 2019 [Page 1]
Internet-Draft DetNet IP Data Plane October 2018
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
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 . . . . . . . . . . . . . 7
4.1. End-system specific considerations . . . . . . . . . . . 8
4.2. DetNet domain specific considerations . . . . . . . . . . 9
4.2.1. DetNet Routers . . . . . . . . . . . . . . . . . . . 10
4.3. Networks with multiple technology segments . . . . . . . 11
4.4. OAM . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.5. Class of Service . . . . . . . . . . . . . . . . . . . . 12
4.6. Quality of Service . . . . . . . . . . . . . . . . . . . 13
4.7. Cross-DetNet flow resource aggregation . . . . . . . . . 14
4.8. Time synchronization . . . . . . . . . . . . . . . . . . 14
5. Management and control plane considerations . . . . . . . . . 15
5.1. Explicit routes . . . . . . . . . . . . . . . . . . . . . 15
5.2. Service protection . . . . . . . . . . . . . . . . . . . 15
5.3. Congestion protection and latency control . . . . . . . . 15
5.4. Flow aggregation control . . . . . . . . . . . . . . . . 15
5.5. Bidirectional traffic . . . . . . . . . . . . . . . . . . 16
6. DetNet IP Data Plane Procedures . . . . . . . . . . . . . . . 16
6.1. DetNet IP Flow Identification Procedures . . . . . . . . 16
6.1.1. IP Header Information . . . . . . . . . . . . . . . . 17
6.1.2. Other Protocol Header Information . . . . . . . . . . 18
6.1.3. Flow Identification Management and Control
Information . . . . . . . . . . . . . . . . . . . . . 19
6.2. Forwarding Procedures . . . . . . . . . . . . . . . . . . 20
6.3. DetNet IP Traffic Treatment Procedures . . . . . . . . . 20
6.4. Aggregation Considerations . . . . . . . . . . . . . . . 21
7. Mapping IP DetNet Flows to IEEE 802.1 TSN . . . . . . . . . . 21
7.1. TSN Stream ID Mapping . . . . . . . . . . . . . . . . . . 22
7.2. TSN Usage of FRER . . . . . . . . . . . . . . . . . . . . 24
7.3. Procedures . . . . . . . . . . . . . . . . . . . . . . . 25
7.4. Management and Control Implications . . . . . . . . . . . 25
8. Security considerations . . . . . . . . . . . . . . . . . . . 25
9. IANA considerations . . . . . . . . . . . . . . . . . . . . . 25
10. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 25
11. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 26
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