draft-ietf-bfd-yang-02.txt   draft-ietf-bfd-yang-03.txt 
Network Working Group L. Zheng, Ed. Network Working Group L. Zheng, Ed.
Internet-Draft Huawei Technologies Internet-Draft Huawei Technologies
Intended status: Standards Track R. Rahman, Ed. Intended status: Standards Track R. Rahman, Ed.
Expires: January 8, 2017 Cisco Systems Expires: January 9, 2017 Cisco Systems
S. Pallagatti S. Pallagatti
M. Jethanandani M. Jethanandani
Cisco Systems Cisco Systems
G. Mirsky G. Mirsky
Ericsson Ericsson
July 7, 2016 July 8, 2016
Yang Data Model for Bidirectional Forwarding Detection (BFD) Yang Data Model for Bidirectional Forwarding Detection (BFD)
draft-ietf-bfd-yang-02.txt draft-ietf-bfd-yang-03.txt
Abstract Abstract
This document defines a YANG data model that can be used to configure This document defines a YANG data model that can be used to configure
and manage Bidirectional Forwarding Detection (BFD). and manage Bidirectional Forwarding Detection (BFD).
Requirements Language Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
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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 January 8, 2017. This Internet-Draft will expire on January 9, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2016 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
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2.16. BFD over LAG Yang Module . . . . . . . . . . . . . . . . 37 2.16. BFD over LAG Yang Module . . . . . . . . . . . . . . . . 37
2.17. BFD over MPLS Yang Module . . . . . . . . . . . . . . . . 41 2.17. BFD over MPLS Yang Module . . . . . . . . . . . . . . . . 41
2.18. BFD over MPLS-TE Yang Module . . . . . . . . . . . . . . 44 2.18. BFD over MPLS-TE Yang Module . . . . . . . . . . . . . . 44
2.19. Security Considerations . . . . . . . . . . . . . . . . . 46 2.19. Security Considerations . . . . . . . . . . . . . . . . . 46
2.20. IANA Considerations . . . . . . . . . . . . . . . . . . . 47 2.20. IANA Considerations . . . . . . . . . . . . . . . . . . . 47
2.21. Acknowledgements . . . . . . . . . . . . . . . . . . . . 47 2.21. Acknowledgements . . . . . . . . . . . . . . . . . . . . 47
3. References . . . . . . . . . . . . . . . . . . . . . . . . . 47 3. References . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.1. Normative References . . . . . . . . . . . . . . . . . . 47 3.1. Normative References . . . . . . . . . . . . . . . . . . 47
3.2. Informative References . . . . . . . . . . . . . . . . . 48 3.2. Informative References . . . . . . . . . . . . . . . . . 48
Appendix A. Change log . . . . . . . . . . . . . . . . . . . . . 49 Appendix A. Change log . . . . . . . . . . . . . . . . . . . . . 49
A.1. Changes between versions -01 and -02 . . . . . . . . . . 49 A.1. Changes between versions -02 and -03 . . . . . . . . . . 49
A.2. Changes between versions -00 and -01 . . . . . . . . . . 49 A.2. Changes between versions -01 and -02 . . . . . . . . . . 49
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 49 A.3. Changes between versions -00 and -01 . . . . . . . . . . 49
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 50
1. Introduction 1. Introduction
YANG [RFC6020] is a data definition language that was introduced to YANG [RFC6020] is a data definition language that was introduced to
define the contents of a conceptual data store that allows networked define the contents of a conceptual data store that allows networked
devices to be managed using NETCONF [RFC6241]. YANG is proving devices to be managed using NETCONF [RFC6241]. YANG is proving
relevant beyond its initial confines, as bindings to other interfaces relevant beyond its initial confines, as bindings to other interfaces
(e.g RESTCONF [I-D.ietf-netconf-restconf]) and encodings other than (e.g RESTCONF [I-D.ietf-netconf-restconf]) and encodings other than
XML (e.g JSON) are being defined. Furthermore, YANG data models can XML (e.g JSON) are being defined. Furthermore, YANG data models can
be used as the basis of implementation for other interfaces, such as be used as the basis of implementation for other interfaces, such as
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"WG Web: <http://tools.ietf.org/wg/bfd> "WG Web: <http://tools.ietf.org/wg/bfd>
WG List: <rtg-bfd@ietf.org> WG List: <rtg-bfd@ietf.org>
WG Chair: Jeff Haas WG Chair: Jeff Haas
WG Chair: Reshad Rahman WG Chair: Reshad Rahman
Editor: Lianshu Zheng and Reshad Rahman"; Editor: Lianshu Zheng and Reshad Rahman";
description description
"This module contains the YANG definition for BFD IP single-hop "This module contains the YANG definition for BFD IP single-hop
as per RFC5881."; as per RFC5881.";
revision 2016-01-04 { revision 2016-07-04 {
description "Initial revision."; description "Initial revision.";
reference "RFC XXXX: A YANG data model for BFD IP single-hop"; reference "RFC XXXX: A YANG data model for BFD IP single-hop";
} }
augment "/bfd:bfd" { augment "/bfd:bfd" {
description "BFD augmentation for IP single-hop"; description "BFD augmentation for IP single-hop";
container ip-sh { container ip-sh {
description "BFD IP single-hop top level container"; description "BFD IP single-hop top level container";
container config { container config {
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[RFC7130] Bhatia, M., Ed., Chen, M., Ed., Boutros, S., Ed., [RFC7130] Bhatia, M., Ed., Chen, M., Ed., Boutros, S., Ed.,
Binderberger, M., Ed., and J. Haas, Ed., "Bidirectional Binderberger, M., Ed., and J. Haas, Ed., "Bidirectional
Forwarding Detection (BFD) on Link Aggregation Group (LAG) Forwarding Detection (BFD) on Link Aggregation Group (LAG)
Interfaces", RFC 7130, DOI 10.17487/RFC7130, February Interfaces", RFC 7130, DOI 10.17487/RFC7130, February
2014, <http://www.rfc-editor.org/info/rfc7130>. 2014, <http://www.rfc-editor.org/info/rfc7130>.
3.2. Informative References 3.2. Informative References
[I-D.ietf-netconf-restconf] [I-D.ietf-netconf-restconf]
Bierman, A., Bjorklund, M., and K. Watsen, "RESTCONF Bierman, A., Bjorklund, M., and K. Watsen, "RESTCONF
Protocol", draft-ietf-netconf-restconf-14 (work in Protocol", draft-ietf-netconf-restconf-15 (work in
progress), June 2016. progress), July 2016.
[I-D.ietf-netmod-routing-cfg] [I-D.ietf-netmod-routing-cfg]
Lhotka, L. and A. Lindem, "A YANG Data Model for Routing Lhotka, L. and A. Lindem, "A YANG Data Model for Routing
Management", draft-ietf-netmod-routing-cfg-22 (work in Management", draft-ietf-netmod-routing-cfg-22 (work in
progress), July 2016. progress), July 2016.
[I-D.ietf-rtgwg-ni-model] [I-D.ietf-rtgwg-ni-model]
Berger, L., Hopps, C., Lindem, A., and D. Bogdanovic, Berger, L., Hopps, C., Lindem, A., and D. Bogdanovic,
"Network Instance Model", draft-ietf-rtgwg-ni-model-00 "Network Instance Model", draft-ietf-rtgwg-ni-model-00
(work in progress), June 2016. (work in progress), June 2016.
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[I-D.ietf-teas-yang-te] [I-D.ietf-teas-yang-te]
Saad, T., Gandhi, R., Liu, X., Beeram, V., Shah, H., Chen, Saad, T., Gandhi, R., Liu, X., Beeram, V., Shah, H., Chen,
X., Jones, R., and B. Wen, "A YANG Data Model for Traffic X., Jones, R., and B. Wen, "A YANG Data Model for Traffic
Engineering Tunnels and Interfaces", draft-ietf-teas-yang- Engineering Tunnels and Interfaces", draft-ietf-teas-yang-
te-03 (work in progress), March 2016. te-03 (work in progress), March 2016.
Appendix A. Change log Appendix A. Change log
RFC Editor: Remove this section upon publication as an RFC. RFC Editor: Remove this section upon publication as an RFC.
A.1. Changes between versions -01 and -02 A.1. Changes between versions -02 and -03
o Fixed YANG compilation warning due to incorrect revision date in
ietf-bfd-ip-sh module.
A.2. Changes between versions -01 and -02
o Replace routing-instance, which has been removed from o Replace routing-instance, which has been removed from
[I-D.ietf-netmod-routing-cfg], with network-instance from [I-D.ietf-netmod-routing-cfg], with network-instance from
[I-D.ietf-rtgwg-ni-model] [I-D.ietf-rtgwg-ni-model]
A.2. Changes between versions -00 and -01 A.3. Changes between versions -00 and -01
o Remove BFD configuration parameters from BFD clients, all BFD o Remove BFD configuration parameters from BFD clients, all BFD
configuration parameters in BFD configuration parameters in BFD
o YANG module split in multiple YANG modules (one per type of o YANG module split in multiple YANG modules (one per type of
forwarding path) forwarding path)
o For BFD over MPLS-TE we augment MPLS-TE model o For BFD over MPLS-TE we augment MPLS-TE model
o For BFD authentication we now use key-chain in o For BFD authentication we now use key-chain in
 End of changes. 9 change blocks. 
12 lines changed or deleted 18 lines changed or added

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