DetNet IP Data Plane Encapsulation
draft-ietf-detnet-dp-sol-ip-02
DetNet J. Korhonen, Ed.
Internet-Draft
Intended status: Standards Track B. Varga, Ed.
Expires: September 11, 2019 Ericsson
March 10, 2019
DetNet IP Data Plane Encapsulation
draft-ietf-detnet-dp-sol-ip-02
Abstract
This document specifies the Deterministic Networking data plane when
operating in an IP packet switched network.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on September 11, 2019.
Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Korhonen & Varga Expires September 11, 2019 [Page 1]
Internet-Draft DetNet IP Data Plane March 2019
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 . . . . . . . . . . . . . . . . . . 4
3. DetNet IP Data Plane Overview . . . . . . . . . . . . . . . . 5
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 Considerations . . . . . . . . . . . . 15
5.1. Flow Identification and Aggregation . . . . . . . . . . . 15
5.2. Explcit Routes . . . . . . . . . . . . . . . . . . . . . 16
5.3. Contention Loss and Jitter Reduction . . . . . . . . . . 16
5.4. Bidirectional Traffic . . . . . . . . . . . . . . . . . . 17
5.5. DetNet Controller (Control and Management) Plane
Requirements . . . . . . . . . . . . . . . . . . . . . . 17
6. DetNet IP Data Plane Procedures . . . . . . . . . . . . . . . 19
6.1. DetNet IP Flow Identification Procedures . . . . . . . . 19
6.1.1. IP Header Information . . . . . . . . . . . . . . . . 19
6.1.2. Other Protocol Header Information . . . . . . . . . . 21
6.1.3. Flow Identification Management and Control
Information . . . . . . . . . . . . . . . . . . . . . 22
6.2. Forwarding Procedures . . . . . . . . . . . . . . . . . . 23
6.3. DetNet IP Traffic Treatment Procedures . . . . . . . . . 23
6.4. Aggregation Considerations . . . . . . . . . . . . . . . 23
7. IP over DetNet MPLS . . . . . . . . . . . . . . . . . . . . . 24
7.1. IP Over DetNet MPLS Data Plane Scenarios . . . . . . . . 24
7.2. DetNet IP over DetNet MPLS Encapsulation . . . . . . . . 27
7.3. DetNet IP over DetNet MPLS Flow Identification
Procedures . . . . . . . . . . . . . . . . . . . . . . . 29
7.4. DetNet IP over DetNet MPLS Traffic Treatment Procedures . 29
8. Mapping DetNet IP Flows to IEEE 802.1 TSN . . . . . . . . . . 29
8.1. TSN Stream ID Mapping . . . . . . . . . . . . . . . . . . 31
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