draft-ietf-idr-tunnel-encaps-13.txt   draft-ietf-idr-tunnel-encaps-14.txt 
IDR Working Group K. Patel IDR Working Group K. Patel
Internet-Draft Arrcus, Inc Internet-Draft Arrcus, Inc
Obsoletes: 5512 (if approved) G. Van de Velde Obsoletes: 5512 (if approved) G. Van de Velde
Intended status: Standards Track Nokia Intended status: Standards Track Nokia
Expires: January 23, 2020 S. Sangli Expires: April 2, 2020 S. Sangli
Juniper Networks, Inc Juniper Networks, Inc
E. Rosen September 30, 2019
July 22, 2019
The BGP Tunnel Encapsulation Attribute The BGP Tunnel Encapsulation Attribute
draft-ietf-idr-tunnel-encaps-13.txt draft-ietf-idr-tunnel-encaps-14.txt
Abstract Abstract
RFC 5512 defines a BGP Path Attribute known as the "Tunnel RFC 5512 defines a BGP Path Attribute known as the "Tunnel
Encapsulation Attribute". This attribute allows one to specify a set Encapsulation Attribute". This attribute allows one to specify a set
of tunnels. For each such tunnel, the attribute can provide the of tunnels. For each such tunnel, the attribute can provide the
information needed to create the tunnel and the corresponding information needed to create the tunnel and the corresponding
encapsulation header. The attribute can also provide information encapsulation header. The attribute can also provide information
that aids in choosing whether a particular packet is to be sent that aids in choosing whether a particular packet is to be sent
through a particular tunnel. RFC 5512 states that the attribute is through a particular tunnel. RFC 5512 states that the attribute is
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 23, 2020. This Internet-Draft will expire on April 2, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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Other tunnels specified in (other TLVs of) the Tunnel Encapsulation Other tunnels specified in (other TLVs of) the Tunnel Encapsulation
attribute may still be used. attribute may still be used.
14. Acknowledgments 14. Acknowledgments
This document contains text from RFC5512, co-authored by Pradosh This document contains text from RFC5512, co-authored by Pradosh
Mohapatra. The authors of the current document wish to thank Pradosh Mohapatra. The authors of the current document wish to thank Pradosh
for his contribution. RFC5512 itself built upon prior work by Gargi for his contribution. RFC5512 itself built upon prior work by Gargi
Nalawade, Ruchi Kapoor, Dan Tappan, David Ward, Scott Wainner, Simon Nalawade, Ruchi Kapoor, Dan Tappan, David Ward, Scott Wainner, Simon
Barber, and Chris Metz, whom we also thank for their contributions. Barber, Lili Wang, and Chris Metz, whom we also thank for their
contributions.
The authors wish to thank Lou Berger, Ron Bonica, Martin Djernaes, The authors wish to thank Lou Berger, Ron Bonica, Martin Djernaes,
John Drake, Satoru Matsushima, Dhananjaya Rao, John Scudder, Ravi John Drake, Satoru Matsushima, Dhananjaya Rao, John Scudder, Ravi
Singh, Thomas Morin, Xiaohu Xu, and Zhaohui Zhang for their review, Singh, Thomas Morin, Xiaohu Xu, and Zhaohui Zhang for their review,
comments, and/or helpful discussions. comments, and/or helpful discussions.
15. Contributor Addresses 15. Contributor Addresses
Below is a list of other contributing authors in alphabetical order: Below is a list of other contributing authors in alphabetical order:
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Email: randy@psg.com Email: randy@psg.com
Robert Raszuk Robert Raszuk
Bloomberg LP Bloomberg LP
731 Lexington Ave 731 Lexington Ave
New York City, NY 10022 New York City, NY 10022
United States United States
Email: robert@raszuk.net Email: robert@raszuk.net
Eric C. Rosen
16. References 16. References
16.1. Normative References 16.1. Normative References
[I-D.ietf-idr-bgp-prefix-sid] [I-D.ietf-idr-bgp-prefix-sid]
Previdi, S., Filsfils, C., Lindem, A., Sreekantiah, A., Previdi, S., Filsfils, C., Lindem, A., Sreekantiah, A.,
and H. Gredler, "Segment Routing Prefix SID extensions for and H. Gredler, "Segment Routing Prefix SID extensions for
BGP", draft-ietf-idr-bgp-prefix-sid-27 (work in progress), BGP", draft-ietf-idr-bgp-prefix-sid-27 (work in progress),
June 2018. June 2018.
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<https://www.rfc-editor.org/info/rfc7637>. <https://www.rfc-editor.org/info/rfc7637>.
[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC [RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174, 2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
May 2017, <https://www.rfc-editor.org/info/rfc8174>. May 2017, <https://www.rfc-editor.org/info/rfc8174>.
16.2. Informative References 16.2. Informative References
[Ethertypes] [Ethertypes]
"IANA Ethertype Registry", "IANA Ethertype Registry",
<http://www.iana.org/assignments/ieee-802-numbers/ <http://www.iana.org/assignments/ieee-802-numbers/ieee-
ieee-802-numbers.xhtml>. 802-numbers.xhtml>.
[I-D.ietf-bess-evpn-inter-subnet-forwarding] [I-D.ietf-bess-evpn-inter-subnet-forwarding]
Sajassi, A., Salam, S., Thoria, S., Drake, J., and J. Sajassi, A., Salam, S., Thoria, S., Drake, J., and J.
Rabadan, "Integrated Routing and Bridging in EVPN", draft- Rabadan, "Integrated Routing and Bridging in EVPN", draft-
ietf-bess-evpn-inter-subnet-forwarding-08 (work in ietf-bess-evpn-inter-subnet-forwarding-08 (work in
progress), March 2019. progress), March 2019.
[RFC2474] Nichols, K., Blake, S., Baker, F., and D. Black, [RFC2474] Nichols, K., Blake, S., Baker, F., and D. Black,
"Definition of the Differentiated Services Field (DS "Definition of the Differentiated Services Field (DS
Field) in the IPv4 and IPv6 Headers", RFC 2474, Field) in the IPv4 and IPv6 Headers", RFC 2474,
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Authors' Addresses Authors' Addresses
Keyur Patel Keyur Patel
Arrcus, Inc Arrcus, Inc
2077 Gateway Pl 2077 Gateway Pl
San Jose, CA 95110 San Jose, CA 95110
United States United States
Email: keyur@arrcus.com Email: keyur@arrcus.com
Gunter Van de Velde Gunter Van de Velde
Nokia Nokia
Copernicuslaan 50 Copernicuslaan 50
Antwerpen 2018 Antwerpen 2018
Belgium Belgium
Email: gunter.van_de_velde@nokia.com Email: gunter.van_de_velde@nokia.com
Srihari R. Sangli Srihari R. Sangli
Juniper Networks, Inc Juniper Networks, Inc
10 Technology Park Drive 10 Technology Park Drive
Westford, Massachusetts 01886 Westford, Massachusetts 01886
United States United States
Email: ssangli@juniper.net Email: ssangli@juniper.net
Eric C. Rosen
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