< draft-acee-netmod-rfc8022bis-05.txt   draft-acee-netmod-rfc8022bis-06.txt >
NETMOD Working Group L. Lhotka NETMOD Working Group L. Lhotka
Internet-Draft CZ.NIC Internet-Draft CZ.NIC
Intended status: Standards Track A. Lindem Intended status: Standards Track A. Lindem
Expires: April 17, 2018 Cisco Systems Expires: May 3, 2018 Cisco Systems
Y. Qu Y. Qu
Futurewei Technologies, Inc. Futurewei Technologies, Inc.
October 14, 2017 October 30, 2017
A YANG Data Model for Routing Management (NDMA Version) A YANG Data Model for Routing Management (NDMA Version)
draft-acee-netmod-rfc8022bis-05 draft-acee-netmod-rfc8022bis-06
Abstract Abstract
This document contains a specification of three YANG modules and one This document contains a specification of three YANG modules and one
submodule. Together they form the core routing data model that submodule. Together they form the core routing data model that
serves as a framework for configuring and managing a routing serves as a framework for configuring and managing a routing
subsystem. It is expected that these modules will be augmented by subsystem. It is expected that these modules will be augmented by
additional YANG modules defining data models for control-plane additional YANG modules defining data models for control-plane
protocols, route filters, and other functions. The core routing data protocols, route filters, and other functions. The core routing data
model provides common building blocks for such extensions -- routes, model provides common building blocks for such extensions -- routes,
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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 April 17, 2018. This Internet-Draft will expire on May 3, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2017 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
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5.1. Route . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.1. Route . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2. Routing Information Base (RIB) . . . . . . . . . . . . . 9 5.2. Routing Information Base (RIB) . . . . . . . . . . . . . 9
5.3. Control-Plane Protocol . . . . . . . . . . . . . . . . . 10 5.3. Control-Plane Protocol . . . . . . . . . . . . . . . . . 10
5.3.1. Routing Pseudo-Protocols . . . . . . . . . . . . . . 10 5.3.1. Routing Pseudo-Protocols . . . . . . . . . . . . . . 10
5.3.2. Defining New Control-Plane Protocols . . . . . . . . 10 5.3.2. Defining New Control-Plane Protocols . . . . . . . . 10
5.4. Parameters of IPv6 Router Advertisements . . . . . . . . 11 5.4. Parameters of IPv6 Router Advertisements . . . . . . . . 11
6. Interactions with Other YANG Modules . . . . . . . . . . . . 12 6. Interactions with Other YANG Modules . . . . . . . . . . . . 12
6.1. Module "ietf-interfaces" . . . . . . . . . . . . . . . . 12 6.1. Module "ietf-interfaces" . . . . . . . . . . . . . . . . 12
6.2. Module "ietf-ip" . . . . . . . . . . . . . . . . . . . . 13 6.2. Module "ietf-ip" . . . . . . . . . . . . . . . . . . . . 13
7. Routing Management YANG Module . . . . . . . . . . . . . . . 13 7. Routing Management YANG Module . . . . . . . . . . . . . . . 13
8. IPv4 Unicast Routing Management YANG Module . . . . . . . . . 27 8. IPv4 Unicast Routing Management YANG Module . . . . . . . . . 28
9. IPv6 Unicast Routing Management YANG Module . . . . . . . . . 35 9. IPv6 Unicast Routing Management YANG Module . . . . . . . . . 36
9.1. IPv6 Router Advertisements Submodule . . . . . . . . . . 43 9.1. IPv6 Router Advertisements Submodule . . . . . . . . . . 44
10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 54 10. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 54
11. Security Considerations . . . . . . . . . . . . . . . . . . . 54 11. Security Considerations . . . . . . . . . . . . . . . . . . . 55
12. References . . . . . . . . . . . . . . . . . . . . . . . . . 55 12. References . . . . . . . . . . . . . . . . . . . . . . . . . 56
12.1. Normative References . . . . . . . . . . . . . . . . . . 55 12.1. Normative References . . . . . . . . . . . . . . . . . . 56
12.2. Informative References . . . . . . . . . . . . . . . . . 56 12.2. Informative References . . . . . . . . . . . . . . . . . 57
Appendix A. The Complete Data Trees . . . . . . . . . . . . . . 58 Appendix A. The Complete Data Trees . . . . . . . . . . . . . . 58
Appendix B. Minimum Implementation . . . . . . . . . . . . . . . 61 Appendix B. Minimum Implementation . . . . . . . . . . . . . . . 61
Appendix C. Example: Adding a New Control-Plane Protocol . . . . 61 Appendix C. Example: Adding a New Control-Plane Protocol . . . . 61
Appendix D. Data Tree Example . . . . . . . . . . . . . . . . . 64 Appendix D. Data Tree Example . . . . . . . . . . . . . . . . . 64
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 72 Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 72
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 72 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 72
1. Introduction 1. Introduction
This document contains a specification of the following YANG modules: This document contains a specification of the following YANG modules:
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In addition, the "ietf-ip" module allows for configuring IPv4 and In addition, the "ietf-ip" module allows for configuring IPv4 and
IPv6 addresses and network prefixes or masks on network-layer IPv6 addresses and network prefixes or masks on network-layer
interfaces. Configuration of these parameters on an enabled interfaces. Configuration of these parameters on an enabled
interface MUST result in an immediate creation of the corresponding interface MUST result in an immediate creation of the corresponding
direct route. The destination prefix of this route is set according direct route. The destination prefix of this route is set according
to the configured IP address and network prefix/mask, and the to the configured IP address and network prefix/mask, and the
interface is set as the outgoing interface for that route. interface is set as the outgoing interface for that route.
7. Routing Management YANG Module 7. Routing Management YANG Module
<CODE BEGINS> file "ietf-routing@2017-10-14.yang" <CODE BEGINS> file "ietf-routing@2017-10-30.yang"
module ietf-routing { module ietf-routing {
yang-version "1.1"; yang-version "1.1";
namespace "urn:ietf:params:xml:ns:yang:ietf-routing"; namespace "urn:ietf:params:xml:ns:yang:ietf-routing";
prefix "rt"; prefix "rt";
import ietf-yang-types { import ietf-yang-types {
prefix "yang"; prefix "yang";
} }
import ietf-interfaces { import ietf-interfaces {
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without modification, is permitted pursuant to, and subject without modification, is permitted pursuant to, and subject
to the license terms contained in, the Simplified BSD License to the license terms contained in, the Simplified BSD License
set forth in Section 4.c of the IETF Trust's Legal Provisions set forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents Relating to IETF Documents
(http://trustee.ietf.org/license-info). (http://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC XXXX; see This version of this YANG module is part of RFC XXXX; see
the RFC itself for full legal notices."; the RFC itself for full legal notices.";
reference "RFC XXXX"; reference "RFC XXXX";
revision 2017-10-14 { revision 2017-10-30 {
description description
"Network Managment Datastore Architecture (NDMA) Revision"; "Network Managment Datastore Architecture (NDMA) Revision";
reference reference
"RFC XXXX: A YANG Data Model for Routing Management "RFC XXXX: A YANG Data Model for Routing Management
(NDMA Version)"; (NDMA Version)";
} }
revision 2016-11-04 { revision 2016-11-04 {
description description
"Initial revision."; "Initial revision.";
skipping to change at page 26, line 13 skipping to change at page 26, line 13
family. family.
An implementation SHOULD provide one system-controlled An implementation SHOULD provide one system-controlled
default RIB for each supported address family."; default RIB for each supported address family.";
leaf name { leaf name {
type string; type string;
status obsolete; status obsolete;
description description
"The name of the RIB."; "The name of the RIB.";
} }
uses address-family; uses address-family {
status obsolete;
description
"The address family of the RIB.";
}
leaf default-rib { leaf default-rib {
if-feature "multiple-ribs"; if-feature "multiple-ribs";
type boolean; type boolean;
default "true"; default "true";
status obsolete; status obsolete;
description description
"This flag has the value of 'true' if and only if the "This flag has the value of 'true' if and only if the
RIB is the default RIB for the given address family. RIB is the default RIB for the given address family.
By default, control-plane protocols place their routes By default, control-plane protocols place their routes
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description description
"This route attribute, also known as administrative "This route attribute, also known as administrative
distance, allows for selecting the preferred route distance, allows for selecting the preferred route
among routes with the same destination prefix. A among routes with the same destination prefix. A
smaller value means a more preferred route."; smaller value means a more preferred route.";
} }
container next-hop { container next-hop {
status obsolete; status obsolete;
description description
"Route's next-hop attribute."; "Route's next-hop attribute.";
uses next-hop-state-content;
uses next-hop-state-content {
status obsolete;
description
"Route's next-hop attribute operational state.";
}
}
uses route-metadata {
status obsolete;
description
"Route metadata.";
} }
uses route-metadata;
} }
} }
action active-route { action active-route {
status obsolete; status obsolete;
description description
"Return the active RIB route that is used for the "Return the active RIB route that is used for the
destination address. destination address.
Address-family-specific modules MUST augment input Address-family-specific modules MUST augment input
parameters with a leaf named 'destination-address'."; parameters with a leaf named 'destination-address'.";
output { output {
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If no route exists in the RIB for the destination If no route exists in the RIB for the destination
address, no output is returned. address, no output is returned.
Address-family-specific modules MUST augment this Address-family-specific modules MUST augment this
container with appropriate route contents."; container with appropriate route contents.";
container next-hop { container next-hop {
status obsolete; status obsolete;
description description
"Route's next-hop attribute."; "Route's next-hop attribute.";
uses next-hop-state-content; uses next-hop-state-content {
status obsolete;
description
"Active route state data.";
}
} }
uses route-metadata; uses route-metadata {
status obsolete;
description
"Active route metadata.";
}
} }
} }
} }
} }
} }
} }
} }
<CODE ENDS> <CODE ENDS>
8. IPv4 Unicast Routing Management YANG Module 8. IPv4 Unicast Routing Management YANG Module
skipping to change at page 57, line 8 skipping to change at page 57, line 30
Library", RFC 7895, DOI 10.17487/RFC7895, June 2016, Library", RFC 7895, DOI 10.17487/RFC7895, June 2016,
<https://www.rfc-editor.org/info/rfc7895>. <https://www.rfc-editor.org/info/rfc7895>.
[RFC7951] Lhotka, L., "JSON Encoding of Data Modeled with YANG", [RFC7951] Lhotka, L., "JSON Encoding of Data Modeled with YANG",
RFC 7951, DOI 10.17487/RFC7951, August 2016, RFC 7951, DOI 10.17487/RFC7951, August 2016,
<https://www.rfc-editor.org/info/rfc7951>. <https://www.rfc-editor.org/info/rfc7951>.
[I-D.ietf-netmod-revised-datastores] [I-D.ietf-netmod-revised-datastores]
Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K., Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,
and R. Wilton, "Network Management Datastore and R. Wilton, "Network Management Datastore
Architecture", draft-ietf-netmod-revised-datastores-04 Architecture", draft-ietf-netmod-revised-datastores-05
(work in progress), August 2017. (work in progress), October 2017.
Appendix A. The Complete Data Trees Appendix A. The Complete Data Trees
This appendix presents the complete tree of the core routing data This appendix presents the complete tree of the core routing data
model. See Section 2.2 for an explanation of the symbols used. The model. See Section 2.2 for an explanation of the symbols used. The
data type of every leaf node is shown near the right end of the data type of every leaf node is shown near the right end of the
corresponding line. corresponding line.
module: ietf-routing module: ietf-routing
+--rw routing +--rw routing
 End of changes. 15 change blocks. 
21 lines changed or deleted 42 lines changed or added

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