draft-ietf-bfd-unsolicited-01.txt   draft-ietf-bfd-unsolicited-02.txt 
Network Working Group E. Chen Network Working Group E. Chen
Internet-Draft N. Shen Internet-Draft Cisco Systems
Intended status: Standards Track Cisco Systems Intended status: Standards Track N. Shen
Expires: December 30, 2019 R. Raszuk Expires: January 29, 2021 Zededa
R. Raszuk
Bloomberg LP Bloomberg LP
R. Rahman R. Rahman
Cisco Systems Cisco Systems
June 28, 2019 July 28, 2020
Unsolicited BFD for Sessionless Applications Unsolicited BFD for Sessionless Applications
draft-ietf-bfd-unsolicited-01 draft-ietf-bfd-unsolicited-02
Abstract Abstract
For operational simplification of "sessionless" applications using For operational simplification of "sessionless" applications using
BFD, in this document we present procedures for "unsolicited BFD" BFD, in this document we present procedures for "unsolicited BFD"
that allow a BFD session to be initiated by only one side, and be that allow a BFD session to be initiated by only one side, and be
established without explicit per-session configuration or established without explicit per-session configuration or
registration by the other side (subject to certain per-interface or registration by the other side (subject to certain per-interface or
per-router policies). per-router policies).
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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 December 30, 2019. This Internet-Draft will expire on January 29, 2021.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2020 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
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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/routing/control-plane-protocols/control-plane-protocol/bfd/ip-sh /routing/control-plane-protocols/control-plane-protocol/bfd/ip-sh
/sessions/session/unsolicited: access to this information discloses /sessions/session/unsolicited: access to this information discloses
the role of the local system in the creation of the unsolicited BFD the role of the local system in the creation of the unsolicited BFD
session. session.
6. References 6. References
6.1. Normative References 6.1. Normative References
[I-D.ietf-bfd-yang] [I-D.ietf-bfd-yang]
Rahman, R., Zheng, L., Jethanandani, M., Networks, J., and Rahman, R., Zheng, L., Jethanandani, M., Pallagatti, S.,
G. Mirsky, "YANG Data Model for Bidirectional Forwarding and G. Mirsky, "YANG Data Model for Bidirectional
Detection (BFD)", draft-ietf-bfd-yang-17 (work in Forwarding Detection (BFD)", draft-ietf-bfd-yang-17 (work
progress), August 2018. in progress), August 2018.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC5082] Gill, V., Heasley, J., Meyer, D., Savola, P., Ed., and C. [RFC5082] Gill, V., Heasley, J., Meyer, D., Savola, P., Ed., and C.
Pignataro, "The Generalized TTL Security Mechanism Pignataro, "The Generalized TTL Security Mechanism
(GTSM)", RFC 5082, DOI 10.17487/RFC5082, October 2007, (GTSM)", RFC 5082, DOI 10.17487/RFC5082, October 2007,
<https://www.rfc-editor.org/info/rfc5082>. <https://www.rfc-editor.org/info/rfc5082>.
skipping to change at page 11, line 46 skipping to change at page 11, line 46
[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>.
6.2. Informative References 6.2. Informative References
[I-D.ietf-idr-rs-bfd] [I-D.ietf-idr-rs-bfd]
Bush, R., Haas, J., Scudder, J., Nipper, A., and C. Bush, R., Haas, J., Scudder, J., Nipper, A., and C.
Dietzel, "Making Route Servers Aware of Data Link Failures Dietzel, "Making Route Servers Aware of Data Link Failures
at IXPs", draft-ietf-idr-rs-bfd-07 (work in progress), at IXPs", draft-ietf-idr-rs-bfd-08 (work in progress),
March 2019. September 2019.
[RFC4271] Rekhter, Y., Ed., Li, T., Ed., and S. Hares, Ed., "A [RFC4271] Rekhter, Y., Ed., Li, T., Ed., and S. Hares, Ed., "A
Border Gateway Protocol 4 (BGP-4)", RFC 4271, Border Gateway Protocol 4 (BGP-4)", RFC 4271,
DOI 10.17487/RFC4271, January 2006, DOI 10.17487/RFC4271, January 2006,
<https://www.rfc-editor.org/info/rfc4271>. <https://www.rfc-editor.org/info/rfc4271>.
[RFC7880] Pignataro, C., Ward, D., Akiya, N., Bhatia, M., and S. [RFC7880] Pignataro, C., Ward, D., Akiya, N., Bhatia, M., and S.
Pallagatti, "Seamless Bidirectional Forwarding Detection Pallagatti, "Seamless Bidirectional Forwarding Detection
(S-BFD)", RFC 7880, DOI 10.17487/RFC7880, July 2016, (S-BFD)", RFC 7880, DOI 10.17487/RFC7880, July 2016,
<https://www.rfc-editor.org/info/rfc7880>. <https://www.rfc-editor.org/info/rfc7880>.
skipping to change at page 12, line 31 skipping to change at page 12, line 31
Enke Chen Enke Chen
Cisco Systems Cisco Systems
560 McCarthy Blvd. 560 McCarthy Blvd.
Milpitas, CA 95035 Milpitas, CA 95035
USA USA
Email: enkechen@cisco.com Email: enkechen@cisco.com
Naiming Shen Naiming Shen
Cisco Systems Zededa
560 McCarthy Blvd.
Milpitas, CA 95035
USA
Email: naiming@cisco.com Email: naiming@zededa.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
USA USA
Email: robert@raszuk.net Email: robert@raszuk.net
Reshad Rahman Reshad Rahman
Cisco Systems Cisco Systems
2000 Innovation Drive 2000 Innovation Drive
Kanata, Ontario K2K 3E8 Kanata, Ontario K2K 3E8
Canada Canada
Email: rrahman@cisco.com Email: rrahman@cisco.com
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