Operations, Administration, and Maintenance (OAM) in Segment Routing Networks with IPv6 Data plane (SRv6)
draft-ietf-6man-spring-srv6-oam-01
6man Z. Ali
Internet-Draft C. Filsfils
Intended status: Standards Track Cisco Systems
Expires: May 6, 2020 S. Matsushima
Softbank
D. Voyer
Bell Canada
M. Chen
Huawei
November 3, 2019
Operations, Administration, and Maintenance (OAM) in Segment Routing
Networks with IPv6 Data plane (SRv6)
draft-ietf-6man-spring-srv6-oam-01
Abstract
This document defines building blocks for Operations, Administration,
and Maintenance (OAM) in Segment Routing Networks with IPv6 Dataplane
(SRv6). The document also describes some SRv6 OAM mechanisms.
Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
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 6, 2020.
Ali, et al. Expires May 6, 2020 [Page 1]
Internet-Draft SRv6 OAM November 2019
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Conventions Used in This Document . . . . . . . . . . . . . . 3
2.1. Abbreviations . . . . . . . . . . . . . . . . . . . . . . 3
2.2. Terminology and Reference Topology . . . . . . . . . . . 3
3. OAM Building Blocks . . . . . . . . . . . . . . . . . . . . . 5
3.1. O-flag in Segment Routing Header . . . . . . . . . . . . 5
3.1.1. O-flag Processing . . . . . . . . . . . . . . . . . . 6
3.2. OAM Segments . . . . . . . . . . . . . . . . . . . . . . 6
3.3. End.OP: OAM Endpoint with Punt . . . . . . . . . . . . . 6
3.4. End.OTP: OAM Endpoint with Timestamp and Punt . . . . . . 7
3.5. SRH TLV . . . . . . . . . . . . . . . . . . . . . . . . . 8
4. OAM Mechanisms . . . . . . . . . . . . . . . . . . . . . . . 8
4.1. Ping . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.1.1. Classic Ping . . . . . . . . . . . . . . . . . . . . 8
4.1.2. Pinging a SID Function . . . . . . . . . . . . . . . 10
4.1.3. Error Reporting . . . . . . . . . . . . . . . . . . . 12
4.2. Traceroute . . . . . . . . . . . . . . . . . . . . . . . 13
4.2.1. Classic Traceroute . . . . . . . . . . . . . . . . . 13
4.2.2. Traceroute to a SID Function . . . . . . . . . . . . 15
4.3. Monitoring of SRv6 Paths . . . . . . . . . . . . . . . . 18
5. Implementation Status . . . . . . . . . . . . . . . . . . . . 19
6. Security Considerations . . . . . . . . . . . . . . . . . . . 19
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 20
7.1. ICMPv6 type Numbers RegistrySEC . . . . . . . . . . . . . 20
7.2. SRv6 OAM Endpoint Types . . . . . . . . . . . . . . . . . 20
8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 20
9. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 20
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 22
10.1. Normative References . . . . . . . . . . . . . . . . . . 22
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