rfc9487v5.txt   rfc9487.txt 
Internet Engineering Task Force (IETF) T. Graf Internet Engineering Task Force (IETF) T. Graf
Request for Comments: 9487 Swisscom Request for Comments: 9487 Swisscom
Category: Standards Track B. Claise Category: Standards Track B. Claise
ISSN: 2070-1721 Huawei ISSN: 2070-1721 Huawei
P. Francois P. Francois
INSA-Lyon INSA-Lyon
October 2023 November 2023
Export of Segment Routing over IPv6 Information in IP Flow Information Export of Segment Routing over IPv6 Information in IP Flow Information
Export (IPFIX) Export (IPFIX)
Abstract Abstract
This document introduces new IP Flow Information Export (IPFIX) This document introduces new IP Flow Information Export (IPFIX)
Information Elements (IEs) to identify a set of information related Information Elements (IEs) to identify a set of information related
to Segment Routing over IPv6 (SRv6) such as data contained in a to Segment Routing over IPv6 (SRv6) such as data contained in a
Segment Routing Header (SRH), the SRv6 control plane, and the SRv6 Segment Routing Header (SRH), the SRv6 control plane, and the SRv6
skipping to change at line 594 skipping to change at line 594
<https://www.iana.org/assignments/ipfix>. <https://www.iana.org/assignments/ipfix>.
[OSPFV3-SRV6-EXT] [OSPFV3-SRV6-EXT]
Li, Z., Hu, Z., Talaulikar, K., Ed., and P. Psenak, Li, Z., Hu, Z., Talaulikar, K., Ed., and P. Psenak,
"OSPFv3 Extensions for SRv6", Work in Progress, Internet- "OSPFv3 Extensions for SRv6", Work in Progress, Internet-
Draft, draft-ietf-lsr-ospfv3-srv6-extensions-15, 21 June Draft, draft-ietf-lsr-ospfv3-srv6-extensions-15, 21 June
2023, <https://datatracker.ietf.org/doc/html/draft-ietf- 2023, <https://datatracker.ietf.org/doc/html/draft-ietf-
lsr-ospfv3-srv6-extensions-15>. lsr-ospfv3-srv6-extensions-15>.
[PCEP-SRV6-EXT] [PCEP-SRV6-EXT]
Li, C., Negi, M., Sivabalan, S., Koldychev, M., Li, C., Kaladharan, P., Sivabalan, S., Koldychev, M., and
Kaladharan, P., and Y. Zhu, "Path Computation Element Y. Zhu, "Path Computation Element Communication Protocol
Communication Protocol (PCEP) Extensions for Segment (PCEP) Extensions for Segment Routing leveraging the IPv6
Routing leveraging the IPv6 dataplane", Work in Progress, dataplane", Work in Progress, Internet-Draft, draft-ietf-
Internet-Draft, draft-ietf-pce-segment-routing-ipv6-17, 27 pce-segment-routing-ipv6-20, 8 September 2023,
June 2023, <https://datatracker.ietf.org/doc/html/draft- <https://datatracker.ietf.org/doc/html/draft-ietf-pce-
ietf-pce-segment-routing-ipv6-17>. segment-routing-ipv6-20>.
[RFC7270] Yourtchenko, A., Aitken, P., and B. Claise, "Cisco- [RFC7270] Yourtchenko, A., Aitken, P., and B. Claise, "Cisco-
Specific Information Elements Reused in IP Flow Specific Information Elements Reused in IP Flow
Information Export (IPFIX)", RFC 7270, Information Export (IPFIX)", RFC 7270,
DOI 10.17487/RFC7270, June 2014, DOI 10.17487/RFC7270, June 2014,
<https://www.rfc-editor.org/info/rfc7270>. <https://www.rfc-editor.org/info/rfc7270>.
[RFC8402] Filsfils, C., Ed., Previdi, S., Ed., Ginsberg, L., [RFC8402] Filsfils, C., Ed., Previdi, S., Ed., Ginsberg, L.,
Decraene, B., Litkowski, S., and R. Shakir, "Segment Decraene, B., Litkowski, S., and R. Shakir, "Segment
Routing Architecture", RFC 8402, DOI 10.17487/RFC8402, Routing Architecture", RFC 8402, DOI 10.17487/RFC8402,
skipping to change at line 637 skipping to change at line 637
RFC 9256, DOI 10.17487/RFC9256, July 2022, RFC 9256, DOI 10.17487/RFC9256, July 2022,
<https://www.rfc-editor.org/info/rfc9256>. <https://www.rfc-editor.org/info/rfc9256>.
[RFC9352] Psenak, P., Ed., Filsfils, C., Bashandy, A., Decraene, B., [RFC9352] Psenak, P., Ed., Filsfils, C., Bashandy, A., Decraene, B.,
and Z. Hu, "IS-IS Extensions to Support Segment Routing and Z. Hu, "IS-IS Extensions to Support Segment Routing
over the IPv6 Data Plane", RFC 9352, DOI 10.17487/RFC9352, over the IPv6 Data Plane", RFC 9352, DOI 10.17487/RFC9352,
February 2023, <https://www.rfc-editor.org/info/rfc9352>. February 2023, <https://www.rfc-editor.org/info/rfc9352>.
[SRV6-SRH-COM] [SRV6-SRH-COM]
Cheng, W., Ed., Filsfils, C., Li, Z., Decraene, B., and F. Cheng, W., Ed., Filsfils, C., Li, Z., Decraene, B., and F.
Clad, Ed., "Compressed SRv6 Segment List Encoding in SRH", Clad, Ed., "Compressed SRv6 Segment List Encoding", Work
Work in Progress, Internet-Draft, draft-ietf-spring-srv6- in Progress, Internet-Draft, draft-ietf-spring-srv6-srh-
srh-compression-06, 28 July 2023, compression-09, 23 October 2023,
<https://datatracker.ietf.org/doc/html/draft-ietf-spring- <https://datatracker.ietf.org/doc/html/draft-ietf-spring-
srv6-srh-compression-06>. srv6-srh-compression-09>.
Appendix A. IPFIX Encoding Examples Appendix A. IPFIX Encoding Examples
This appendix represents three different encodings for the newly This appendix represents three different encodings for the newly
introduced IEs, for the example values in Table 3. The three introduced IEs, for the example values in Table 3. The three
different encodings use the following IEs, respectively: different encodings use the following IEs, respectively:
srhSegmentIPv6BasicList, srhSegmentIPv6ListSection, and srhSegmentIPv6BasicList, srhSegmentIPv6ListSection, and
srhIPv6Section. srhIPv6Section.
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