draft-ietf-idr-tunnel-encaps-03.txt   draft-ietf-idr-tunnel-encaps-04.txt 
IDR Working Group E. Rosen, Ed. IDR Working Group E. Rosen, Ed.
Internet-Draft Juniper Networks, Inc. Internet-Draft Juniper Networks, Inc.
Obsoletes: 5512 (if approved) K. Patel Obsoletes: 5512 (if approved) K. Patel
Intended status: Standards Track Arccus Intended status: Standards Track Arccus
Expires: May 25, 2017 G. Van de Velde Expires: October 16, 2017 G. Van de Velde
Nokia Nokia
November 21, 2016 April 14, 2017
The BGP Tunnel Encapsulation Attribute The BGP Tunnel Encapsulation Attribute
draft-ietf-idr-tunnel-encaps-03 draft-ietf-idr-tunnel-encaps-04
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 http://datatracker.ietf.org/drafts/current/. Drafts is at http://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 May 25, 2017. This Internet-Draft will expire on October 16, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2017 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
(http://trustee.ietf.org/license-info) in effect on the date of (http://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
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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12.2. BGP Path Attributes . . . . . . . . . . . . . . . . . . 33 12.2. BGP Path Attributes . . . . . . . . . . . . . . . . . . 33
12.3. Extended Communities . . . . . . . . . . . . . . . . . . 33 12.3. Extended Communities . . . . . . . . . . . . . . . . . . 33
12.4. BGP Tunnel Encapsulation Attribute Sub-TLVs . . . . . . 34 12.4. BGP Tunnel Encapsulation Attribute Sub-TLVs . . . . . . 34
12.5. Tunnel Types . . . . . . . . . . . . . . . . . . . . . . 35 12.5. Tunnel Types . . . . . . . . . . . . . . . . . . . . . . 35
13. Security Considerations . . . . . . . . . . . . . . . . . . . 35 13. Security Considerations . . . . . . . . . . . . . . . . . . . 35
14. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 36 14. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 36
15. Contributor Addresses . . . . . . . . . . . . . . . . . . . . 36 15. Contributor Addresses . . . . . . . . . . . . . . . . . . . . 36
16. References . . . . . . . . . . . . . . . . . . . . . . . . . 37 16. References . . . . . . . . . . . . . . . . . . . . . . . . . 37
16.1. Normative References . . . . . . . . . . . . . . . . . . 37 16.1. Normative References . . . . . . . . . . . . . . . . . . 37
16.2. Informative References . . . . . . . . . . . . . . . . . 37 16.2. Informative References . . . . . . . . . . . . . . . . . 37
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 40 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 39
1. Introduction 1. Introduction
This document obsoletes RFC 5512. The deficiencies of RFC 5512, and This document obsoletes RFC 5512. The deficiencies of RFC 5512, and
a summary of the changes made, are discussed in Sections 1.1-1.3. a summary of the changes made, are discussed in Sections 1.1-1.3.
The material from RFC 5512 that is retained has been incorporated The material from RFC 5512 that is retained has been incorporated
into this document. into this document.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
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<http://www.rfc-editor.org/info/rfc5512>. <http://www.rfc-editor.org/info/rfc5512>.
[RFC7606] Chen, E., Ed., Scudder, J., Ed., Mohapatra, P., and K. [RFC7606] Chen, E., Ed., Scudder, J., Ed., Mohapatra, P., and K.
Patel, "Revised Error Handling for BGP UPDATE Messages", Patel, "Revised Error Handling for BGP UPDATE Messages",
RFC 7606, DOI 10.17487/RFC7606, August 2015, RFC 7606, DOI 10.17487/RFC7606, August 2015,
<http://www.rfc-editor.org/info/rfc7606>. <http://www.rfc-editor.org/info/rfc7606>.
16.2. Informative References 16.2. Informative References
[BGPSEC] Lepinski, M. and S. Turner, "An Overview of BGPsec", [BGPSEC] Lepinski, M. and S. Turner, "An Overview of BGPsec",
internet-draft draft-ietf-sidr-bgpsec-overview, June 2016. internet-draft draft-ietf-sidr-bgpsec-overview-08, June
2016.
[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-802-numbers.xhtml>. ieee-802-numbers.xhtml>.
[EVPN-Inter-Subnet] [EVPN-Inter-Subnet]
Sajassi, A., Salem, S., Thoria, S., Rekhter, Y., Drake, Sajassi, A., Salem, S., Thoria, S., Drake, J., Rabadan,
J., Yong, L., Dunbar, L., Henderickx, W., Rabadan, J., J., and L. Yong, "Integrated Routing and Bridging in
Balus, F., and D. Cai, "Integrated Routing and Bridging in
EVPN", internet-draft draft-ietf-bess-evpn-inter-subnet- EVPN", internet-draft draft-ietf-bess-evpn-inter-subnet-
forwarding, October 2015. forwarding-03, February 2017.
[GTP-U] 3GPP, "GPRS Tunneling Protocol User Plane, TS 29.281", [GTP-U] 3GPP, "GPRS Tunneling Protocol User Plane, TS 29.281",
2014. 2014.
[Prefix-SID-Attribute] [Prefix-SID-Attribute]
Previdi, S., Filsfils, C., Lindem, A., Patel, K., Previdi, S., Filsfils, C., Lindem, A., Patel, K.,
Sreekantiah, A., Ray, S., and H. Gredler, "Segment Routing Sreekantiah, A., Ray, S., and H. Gredler, "Segment Routing
Prefix SID extensions for BGP", internet-draft draft-ietf- Prefix SID extensions for BGP", internet-draft draft-ietf-
idr-bgp-prefix-sid-03, June 2016. idr-bgp-prefix-sid-04, December 2016.
[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,
DOI 10.17487/RFC2474, December 1998, DOI 10.17487/RFC2474, December 1998,
<http://www.rfc-editor.org/info/rfc2474>. <http://www.rfc-editor.org/info/rfc2474>.
[RFC2784] Farinacci, D., Li, T., Hanks, S., Meyer, D., and P. [RFC2784] Farinacci, D., Li, T., Hanks, S., Meyer, D., and P.
Traina, "Generic Routing Encapsulation (GRE)", RFC 2784, Traina, "Generic Routing Encapsulation (GRE)", RFC 2784,
DOI 10.17487/RFC2784, March 2000, DOI 10.17487/RFC2784, March 2000,
 End of changes. 10 change blocks. 
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