draft-ietf-netmod-module-tags-06.txt		draft-ietf-netmod-module-tags-07.txt
	Network Working Group C. Hopps		Network Working Group C. Hopps
	Internet-Draft LabN Consulting, L.L.C.		Internet-Draft LabN Consulting, L.L.C.
	Updates: 8407 (if approved) L. Berger		Updates: 8407 (if approved) L. Berger
	Intended status: Standards Track LabN Consulting, LLC.		Intended status: Standards Track LabN Consulting, LLC.
	Expires: September 3, 2019 D. Bogdanovic		Expires: September 10, 2019 D. Bogdanovic
	Volta Networks		Volta Networks
	March 2, 2019		March 9, 2019
	YANG Module Tags		YANG Module Tags
	draft-ietf-netmod-module-tags-06		draft-ietf-netmod-module-tags-07
	Abstract		Abstract
	This document provides for the association of tags with YANG modules.		This document provides for the association of tags with YANG modules.
	The expectation is for such tags to be used to help classify and		The expectation is for such tags to be used to help classify and
	organize modules. A method for defining, reading and writing a		organize modules. A method for defining, reading and writing a
	modules tags is provided. Tags may be standardized and assigned		modules tags is provided. Tags may be standardized and assigned
	during module definition; assigned by implementations; or dynamically		during module definition; assigned by implementations; or dynamically
	defined and set by users. This document also provides guidance to		defined and set by users. This document also provides guidance to
	future model writers, as such, this document updates RFC8407.		future model writers; as such, this document updates RFC8407.
	Status of This Memo		Status of This Memo
	This Internet-Draft is submitted in full conformance with the		This Internet-Draft is submitted in full conformance with the
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	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 September 3, 2019.		This Internet-Draft will expire on September 10, 2019.
	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
	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
	described in the Simplified BSD License.		described in the Simplified BSD License.
	Table of Contents		Table of Contents
	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2		1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
	1.1. Some possible use cases of YANG module tags . . . . . . . 3		1.1. Some possible use cases for YANG module tags . . . . . . 3
	1.2. Conventions Used in This Document . . . . . . . . . . . . 4		1.2. Conventions Used in This Document . . . . . . . . . . . . 4
	2. Tag Values . . . . . . . . . . . . . . . . . . . . . . . . . 4		2. Tag Values . . . . . . . . . . . . . . . . . . . . . . . . . 4
	2.1. IETF Standard Tags . . . . . . . . . . . . . . . . . . . 4		2.1. IETF Standard Tags . . . . . . . . . . . . . . . . . . . 4
	2.2. Vendor Tags . . . . . . . . . . . . . . . . . . . . . . . 4		2.2. Vendor Tags . . . . . . . . . . . . . . . . . . . . . . . 4
	2.3. User Tags . . . . . . . . . . . . . . . . . . . . . . . . 5		2.3. User Tags . . . . . . . . . . . . . . . . . . . . . . . . 5
	2.4. Reserved Tags . . . . . . . . . . . . . . . . . . . . . . 5		2.4. Reserved Tags . . . . . . . . . . . . . . . . . . . . . . 5
	3. Tag Management . . . . . . . . . . . . . . . . . . . . . . . 5		3. Tag Management . . . . . . . . . . . . . . . . . . . . . . . 5
	3.1. Module Definition Tagging . . . . . . . . . . . . . . . . 5		3.1. Module Definition Tagging . . . . . . . . . . . . . . . . 5
	3.2. Implementation Tagging . . . . . . . . . . . . . . . . . 5		3.2. Implementation Tagging . . . . . . . . . . . . . . . . . 5
	3.3. User Tagging . . . . . . . . . . . . . . . . . . . . . . 5		3.3. User Tagging . . . . . . . . . . . . . . . . . . . . . . 5
	4. Tags Module Structure . . . . . . . . . . . . . . . . . . . . 5		4. Tags Module Structure . . . . . . . . . . . . . . . . . . . . 6
	4.1. Tags Module Tree . . . . . . . . . . . . . . . . . . . . 5		4.1. Tags Module Tree . . . . . . . . . . . . . . . . . . . . 6
	4.2. YANG Module . . . . . . . . . . . . . . . . . . . . . . . 6		4.2. YANG Module . . . . . . . . . . . . . . . . . . . . . . . 6
	5. Other Classifications . . . . . . . . . . . . . . . . . . . . 8		5. Other Classifications . . . . . . . . . . . . . . . . . . . . 9
	6. Guidelines to Model Writers . . . . . . . . . . . . . . . . . 8		6. Guidelines to Model Writers . . . . . . . . . . . . . . . . . 9
	6.1. Define Standard Tags . . . . . . . . . . . . . . . . . . 8		6.1. Define Standard Tags . . . . . . . . . . . . . . . . . . 9
	7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9		7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
	7.1. YANG Module Tag Prefixes Registry . . . . . . . . . . . . 9		7.1. YANG Module Tag Prefixes Registry . . . . . . . . . . . . 9
	7.2. YANG Module Tags Registry . . . . . . . . . . . . . . . . 10		7.2. YANG Module Tags Registry . . . . . . . . . . . . . . . . 10
	7.3. Updates to the IETF XML Registry . . . . . . . . . . . . 11		7.3. Updates to the IETF XML Registry . . . . . . . . . . . . 12
	7.4. Updates to the YANG Module Names Registry . . . . . . . . 11		7.4. Updates to the YANG Module Names Registry . . . . . . . . 12
	8. Security Considerations . . . . . . . . . . . . . . . . . . . 12		8. Security Considerations . . . . . . . . . . . . . . . . . . . 12
	9. References . . . . . . . . . . . . . . . . . . . . . . . . . 12		9. References . . . . . . . . . . . . . . . . . . . . . . . . . 13
	9.1. Normative References . . . . . . . . . . . . . . . . . . 12		9.1. Normative References . . . . . . . . . . . . . . . . . . 13
	9.2. Informative References . . . . . . . . . . . . . . . . . 12		9.2. Informative References . . . . . . . . . . . . . . . . . 13
	Appendix A. Examples . . . . . . . . . . . . . . . . . . . . . . 13		Appendix A. Examples . . . . . . . . . . . . . . . . . . . . . . 14
	Appendix B. Acknowledgements . . . . . . . . . . . . . . . . . . 14		Appendix B. Acknowledgements . . . . . . . . . . . . . . . . . . 15
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 14		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 15
	1. Introduction		1. Introduction
	The use of tags for classification and organization is fairly		The use of tags for classification and organization is fairly
	ubiquitous not only within IETF protocols, but in the internet itself		ubiquitous not only within IETF protocols, but in the internet itself
	(e.g., "#hashtags"). One benefit of using tags for organization over		(e.g., "#hashtags"). One benefit of using tags for organization over
	a rigid structure is that it is more flexible and can more easily		a rigid structure is that it is more flexible and can more easily
	adapt over time as technologies evolve. Tags can be usefully		adapt over time as technologies evolve. Tags can be usefully
	standardized, but they can also serve as a non-standardized mechanism		standardized, but they can also serve as a non-standardized mechanism
	available for users to define themselves. This document provides a		available for users to define themselves. This document provides a
	skipping to change at page 3, line 27 ¶		skipping to change at page 3, line 27 ¶
	This document also defines an IANA registry for tag prefixes as well		This document also defines an IANA registry for tag prefixes as well
	as a set of globally assigned tags.		as a set of globally assigned tags.
	Section 6 provides guidelines for authors of YANG data models.		Section 6 provides guidelines for authors of YANG data models.
	This document updates [RFC8407].		This document updates [RFC8407].
	The YANG data model in this document conforms to the Network		The YANG data model in this document conforms to the Network
	Management Datastore Architecture defined in [RFC8342].		Management Datastore Architecture defined in [RFC8342].
	1.1. Some possible use cases of YANG module tags		1.1. Some possible use cases for YANG module tags
	During this documents progression there were requests for example		During this documents's development there were requests for example
	uses of module tags. The following are a few example use cases for		uses of module tags. The following are a few example use cases for
	tags. This list is certainly not exhaustive.		tags. This list is certainly not exhaustive.
	One example use of tags would be to help filter different discrete		One example use of tags would be to help filter different discrete
	categories of YANG modules supported by a device. E.g., if modules		categories of YANG modules supported by a device. For example, if
	are suitably tagged, then an XPath query can be used to list all of		modules are suitably tagged, then an XPath query can be used to list
	the vendor modules supported by a device.		all of the vendor modules supported by a device.
	Tags can also be used to help coordination when multiple semi-		Tags can also be used to help coordination when multiple semi-
	independent clients are interacting with the same devices. E.g., one		independent clients are interacting with the same devices. For
	management client could mark that some modules should not be used		example, one management client could mark that some modules should
	because they have not been verified to behave correctly, so that		not be used because they have not been verified to behave correctly,
	other management clients avoid querying the data associated with		so that other management clients avoid querying the data associated
	those modules.		with those modules.
	Tag classification is useful for users searching module repositories		Tag classification is useful for users searching module repositories
	(e.g. YANG catalog). A query restricted to the 'ietf:routing'		(e.g., YANG catalog). A query restricted to the 'ietf:routing'
	module tag could be used to return only the IETF YANG modules		module tag could be used to return only the IETF YANG modules
	associated with routing. Without tags, a user would need to know the		associated with routing. Without tags, a user would need to know the
	name of all the IETF routing protocol YANG modules.		name of all the IETF routing protocol YANG modules.
	Future management protocol extensions could allow for filtering		Future management protocol extensions could allow for filtering
	queries of configuration or operational state on a server based on		queries of configuration or operational state on a server based on
	tags. E.g., return all operational state related to system-		tags. For example, return all operational state related to system-
	management.		management.
	1.2. Conventions Used in This Document		1.2. Conventions Used in 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
	"OPTIONAL" in this document are to be interpreted as described in		"OPTIONAL" in this document are to be interpreted as described in
	[RFC2119] [RFC8174] when, and only when, they appear in all capitals,		[RFC2119] [RFC8174] when, and only when, they appear in all capitals,
	as shown here.		as shown here.
	2. Tag Values		2. Tag Values
	All tags SHOULD begin with a prefix indicating who owns their		All tags SHOULD begin with a prefix indicating who owns their
	definition. An IANA registry is used to support standardizing tag		definition. An IANA registry (Section 7.1) is used to support
	prefixes Section 7.1. Currently 3 prefixes are defined with all		standardizing tag prefixes. Currently 3 prefixes are defined. No
	others reserved. No further structure is imposed by this document on		further structure is imposed by this document on the value following
	the value following the standard prefix, and the value can contain		the standard prefix, and the value can contain any YANG type 'string'
	any yang type 'string' characters except carriage-returns, newlines		characters except carriage-returns, newlines and tabs.
	and tabs.
	Again, except for the conflict-avoiding prefix, this document is not		Again, except for the conflict-avoiding prefix, this document is not
	specifying any structure on (i.e., restricting) the tag values on		specifying any structure on (i.e., restricting) the tag values on
	purpose. The intent is to avoid arbitrarily restricting the values		purpose. The intent is to avoid arbitrarily restricting the values
	that designers, implementers and users can use. As a result of this		that designers, implementers and users can use. As a result of this
	choice, designers, implementers, and users are free to add or not add		choice, designers, implementers, and users are free to add or not add
	any structure they may require to their own tag values.		any structure they may require to their own tag values.
	2.1. IETF Standard Tags		2.1. IETF Standard Tags
	An IETF standard tag is a tag that has the prefix "ietf:". All IETF		An IETF standard tag is a tag that has the prefix "ietf:". All IETF
	standard tags are registered with IANA in a registry defined later in		standard tags are registered with IANA in a registry defined later in
	this document Section 7.2.		this document (Section 7.2).
	2.2. Vendor Tags		2.2. Vendor Tags
	A vendor tag is a tag that has the prefix "vendor:". These tags are		A vendor tag is a tag that has the prefix "vendor:". These tags are
	defined by the vendor that implements the module, and are not		defined by the vendor that implements the module, and are not
	standardized; however, it is RECOMMENDED that the vendor include		standardized; however, it is RECOMMENDED that the vendor include
	extra identification in the tag to avoid collisions such as using the		extra identification in the tag to avoid collisions such as using the
	enterpise or organization name follwing the "vendor:" prefix (e.g.,		enterpise or organization name following the "vendor:" prefix (e.g.,
	vendor:example.com:vendor-defined-classifier).		vendor:example.com:vendor-defined-classifier).
	2.3. User Tags		2.3. User Tags
	A user tag is any tag that has the prefix "user:". These tags are		A user tag is any tag that has the prefix "user:". These tags are
	defined by the user/administrator and will never be standardized.		defined by the user/administrator and will never be standardized.
			Users are not required to use the "user:" prefix; however, doing so
			is RECOMMENDED as it helps avoid collisions.
	2.4. Reserved Tags		2.4. Reserved Tags
	Any tag not starting with the prefix "ietf:", "vendor:" or "user:" is		Any tag not starting with the prefix "ietf:", "vendor:" or "user:" is
	reserved for future standardization.		reserved for future standardization. These tag values are not
			invalid, but simply reserved in the context of standardization.
	3. Tag Management		3. Tag Management
	Tags can become associated with a module in a number of ways. Tags		Tags can become associated with a module in a number of ways. Tags
	may be defined and associated at module design time, at		may be defined and associated at module design time, at
	implementation time, or via user administrative control. As the main		implementation time, or via user administrative control. As the main
	consumer of tags are users, users may also remove any tag, no matter		consumer of tags are users, users may also remove any tag, no matter
	how the tag became associated with a module.		how the tag became associated with a module.
	3.1. Module Definition Tagging		3.1. Module Definition Tagging
	A module definition MAY indicate a set of tags to be added by the		A module definition MAY indicate a set of tags to be added by the
	module implementer. These design time tags are indicated using the		module implementer. These design time tags are indicated using the
	module-tag extension statement.		module-tag extension statement.
	If the module definition is IETF standards track, the tags MUST also		If the module is defined in an IETF standards track document, the
	be Section 2.1. Thus, new modules can drive the addition of new		tags MUST be IETF Standard Tags (2.1). Thus, new modules can drive
	standard tags to the IANA registry, and the IANA registry can serve		the addition of new standard tags to the IANA registry defined in
	as a check against duplication.		Section 7.2, and the IANA registry can serve as a check against
			duplication.
	3.2. Implementation Tagging		3.2. Implementation Tagging
	An implementation MAY include additional tags associated with a		An implementation MAY include additional tags associated with a
	module. These tags SHOULD be standard or vendor specific tags.		module. These tags SHOULD be IETF Standard or vendor specific tags.
	3.3. User Tagging		3.3. User Tagging
	Tags of any kind can be assigned and removed by the user using normal		Tags of any kind, with or without a prefix, can be assigned and
	configuration mechanisms.		removed by the user using normal configuration mechanisms. In order
			to remove a tag from the operational datastore the user adds a
			matching "masked-tag" entry for a given module.
	4. Tags Module Structure		4. Tags Module Structure
	4.1. Tags Module Tree		4.1. Tags Module Tree
	The tree associated with the "ietf-module-tags" module follows. The		The tree associated with the "ietf-module-tags" module follows. The
	meaning of the symbols can be found in [RFC8340].		meaning of the symbols can be found in [RFC8340].
	module: ietf-module-tags		module: ietf-module-tags
	+--rw module-tags		+--rw module-tags
	+--rw module* [name]		+--rw module* [name]
	+--rw name yang:yang-identifier		+--rw name yang:yang-identifier
	+--rw tag* tag		+--rw tag* tag
	+--rw masked-tag* tag		+--rw masked-tag* tag
	4.2. YANG Module		4.2. YANG Module
	<CODE BEGINS> file "ietf-module-tags@2019-03-02.yang"		<CODE BEGINS> file "ietf-module-tags@2019-03-09.yang"
	module ietf-module-tags {		module ietf-module-tags {
	yang-version 1.1;		yang-version 1.1;
	namespace "urn:ietf:params:xml:ns:yang:ietf-module-tags";		namespace "urn:ietf:params:xml:ns:yang:ietf-module-tags";
	prefix tags;		prefix tags;
	import ietf-yang-types {		import ietf-yang-types {
	prefix yang;		prefix yang;
	}		}
	organization		organization
	"IETF NetMod Working Group (NetMod)";		"IETF NetMod Working Group (NetMod)";
	contact		contact
	"NetMod Working Group - <netmod@ietf.org>";		"WG Web: <https://tools.ietf.org/wg/netmod/>
			WG List: <mailto:netmod@ietf.org>
			Author: Christian Hopps
			<mailto:chopps@chopps.org>
			Author: Lou Berger
			<mailto:lberger@labn.net>
			Author: Dean Bogdanovic
			<ivandean@gmail.com>";
	// RFC Ed.: replace XXXX with actual RFC number and		// RFC Ed.: replace XXXX with actual RFC number and
	// remove this note.		// remove this note.
	description		description
	"This module describes a mechanism associating tags with YANG		"This module describes a mechanism associating tags with YANG
	modules. Tags may be IANA assigned or privately defined.		modules. Tags may be IANA assigned or privately defined.
	Copyright (c) 2018 IETF Trust and the persons identified as		Copyright (c) 2018 IETF Trust and the persons identified as
	authors of the code. All rights reserved.		authors of the code. All rights reserved.
	skipping to change at page 7, line 12 ¶		skipping to change at page 7, line 28 ¶
	described in BCP 14 [RFC2119] [RFC8174] when, and only when,		described in BCP 14 [RFC2119] [RFC8174] when, and only when,
	they appear in all capitals, as shown here.		they appear in all capitals, as shown here.
	This version of this YANG module is part of RFC XXXX		This version of this YANG module is part of RFC XXXX
	(https://tools.ietf.org/html/rfcXXXX); see the RFC itself for		(https://tools.ietf.org/html/rfcXXXX); see the RFC itself for
	full legal notices.";		full legal notices.";
	// RFC Ed.: update the date below with the date of RFC publication		// RFC Ed.: update the date below with the date of RFC publication
	// and RFC number and remove this note.		// and RFC number and remove this note.
	revision 2019-03-02 {		revision 2019-03-09 {
	description		description
	"Initial revision.";		"Initial revision.";
	reference "RFC XXXX: YANG Module Tags";		reference "RFC XXXX: YANG Module Tags";
	}		}
	typedef tag {		typedef tag {
	type string {		type string {
	length "1..max";		length "1..max";
	pattern '[a-zA-Z_][a-zA-Z0-9\-_]*:[\S ]+';		pattern '[\S ]+';
	}		}
	description		description
	"A tag value is composed of a standard prefix followed by any		"A tag is a type 'string' value that does not include carriage
	type 'string' value that does not include carriage return,		return, newline or tab characters. It SHOULD begin with a
	newline or tab characters.";		standard prefix; however, tags without a standard prefix
			SHOULD NOT be treated as invalid.";
	}		}
	extension module-tag {		extension module-tag {
	argument tag;		argument tag;
	description		description
	"The argument 'tag' is of type 'tag'. This extension statement		"The argument 'tag' is of type 'tag'. This extension statement
	is used by module authors to indicate the tags that SHOULD be		is used by module authors to indicate the tags that SHOULD be
	added automatically by the system. As such the origin of the		added automatically by the system. As such the origin of the
	value for the pre-defined tags should be set to 'system'.";		value for the pre-defined tags should be set to 'system'
			[RFC8342].";
	}		}
	container module-tags {		container module-tags {
	description		description
	"Contains the list of modules and their associated tags";		"Contains the list of modules and their associated tags";
	list module {		list module {
	key "name";		key "name";
	description		description
	"A list of modules and their associated tags";		"A list of modules and their associated tags";
	leaf name {		leaf name {
	skipping to change at page 11, line 22 ¶		skipping to change at page 11, line 42 ¶
	| | TACAC+, SNMP, netconf, | |		| | TACAC+, SNMP, netconf, | |
	| | ...). | |		| | ...). | |
	| | | |		| | | |
	| ietf:oam | Relates to Operations, | [This |		| ietf:oam | Relates to Operations, | [This |
	| | Administration, and | document] |		| | Administration, and | document] |
	| | Maintenance (e.g., BFD). | |		| | Maintenance (e.g., BFD). | |
	| | | |		| | | |
	| ietf:routing | Relates to routing. | [This |		| ietf:routing | Relates to routing. | [This |
	| | | document] |		| | | document] |
	| | | |		| | | |
			| ietf:security | Related to security. | [This |
			| | | document] |
			| | | |
	| ietf:signaling | Relates to control plane | [This |		| ietf:signaling | Relates to control plane | [This |
	| | signaling. | document] |		| | signaling. | document] |
	| | | |		| | | |
	| ietf:link-management | Relates to link | [This |		| ietf:link-management | Relates to link | [This |
	| | management. | document] |		| | management. | document] |
	+----------------------------+--------------------------+-----------+		+----------------------------+--------------------------+-----------+
	7.3. Updates to the IETF XML Registry		7.3. Updates to the IETF XML Registry
	This document registers a URI in the "IETF XML Registry" [RFC3688].		This document registers a URI in the "IETF XML Registry" [RFC3688].
	Following the format in [RFC3688], the following registration has		Following the format in [RFC3688], the following registration has
	been made:		been made:
	URI: urn:ietf:params:xml:ns:yang:ietf-module-tags		URI:
			urn:ietf:params:xml:ns:yang:ietf-module-tags
	Registrant Contact: The IESG.		Registrant Contact:
			The IESG.
	XML: N/A; the requested URI is an XML namespace.		XML:
			N/A; the requested URI is an XML namespace.
	7.4. Updates to the YANG Module Names Registry		7.4. Updates to the YANG Module Names Registry
	This document registers one YANG module in the "YANG Module Names"		This document registers one YANG module in the "YANG Module Names"
	registry [RFC6020]. Following the format in [RFC6020], the following		registry [RFC6020]. Following the format in [RFC6020], the following
	registration has been made:		registration has been made:
	name: ietf-module-tags		name:
			ietf-module-tags
	namespace: urn:ietf:params:xml:ns:yang:ietf-module-tags		namespace:
			urn:ietf:params:xml:ns:yang:ietf-module-tags
	prefix: tags		prefix:
	reference: RFC XXXX (RFC Ed.: replace XXX with actual RFC number and		tags
	remove this note.)
			reference:
			RFC XXXX (RFC Ed.: replace XXX with actual RFC number and remove
			this note.)
	8. Security Considerations		8. Security Considerations
	The YANG module defined in this memo is designed to be accessed via		The YANG module defined in this memo is designed to be accessed via
	the NETCONF protocol [RFC6241]. The lowest NETCONF layer is the		the NETCONF protocol [RFC6241]. The lowest NETCONF layer is the
	secure transport layer and the mandatory-to-implement secure		secure transport layer and the mandatory-to-implement secure
	transport is SSH [RFC6242].		transport is SSH [RFC6242].
	This document adds the ability to associate tag meta-data with YANG		This document adds the ability to associate tag meta-data with YANG
	modules. This document does not define any actions based on these		modules. This document does not define any actions based on these
	skipping to change at page 12, line 46 ¶		skipping to change at page 13, line 29 ¶
	[RFC8126] Cotton, M., Leiba, B., and T. Narten, "Guidelines for		[RFC8126] Cotton, M., Leiba, B., and T. Narten, "Guidelines for
	Writing an IANA Considerations Section in RFCs", BCP 26,		Writing an IANA Considerations Section in RFCs", BCP 26,
	RFC 8126, DOI 10.17487/RFC8126, June 2017,		RFC 8126, DOI 10.17487/RFC8126, June 2017,
	<https://www.rfc-editor.org/info/rfc8126>.		<https://www.rfc-editor.org/info/rfc8126>.
	[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>.
			[RFC8199] Bogdanovic, D., Claise, B., and C. Moberg, "YANG Module
			Classification", RFC 8199, DOI 10.17487/RFC8199, July
			2017, <https://www.rfc-editor.org/info/rfc8199>.
			[RFC8342] Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,
			and R. Wilton, "Network Management Datastore Architecture
			(NMDA)", RFC 8342, DOI 10.17487/RFC8342, March 2018,
			<https://www.rfc-editor.org/info/rfc8342>.
			[RFC8407] Bierman, A., "Guidelines for Authors and Reviewers of
			Documents Containing YANG Data Models", BCP 216, RFC 8407,
			DOI 10.17487/RFC8407, October 2018,
			<https://www.rfc-editor.org/info/rfc8407>.
	9.2. Informative References		9.2. Informative References
	[RFC3688] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688,		[RFC3688] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688,
	DOI 10.17487/RFC3688, January 2004,		DOI 10.17487/RFC3688, January 2004,
	<https://www.rfc-editor.org/info/rfc3688>.		<https://www.rfc-editor.org/info/rfc3688>.
	[RFC6020] Bjorklund, M., Ed., "YANG - A Data Modeling Language for		[RFC6020] Bjorklund, M., Ed., "YANG - A Data Modeling Language for
	the Network Configuration Protocol (NETCONF)", RFC 6020,		the Network Configuration Protocol (NETCONF)", RFC 6020,
	DOI 10.17487/RFC6020, October 2010,		DOI 10.17487/RFC6020, October 2010,
	<https://www.rfc-editor.org/info/rfc6020>.		<https://www.rfc-editor.org/info/rfc6020>.
	[RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed.,		[RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed.,
	and A. Bierman, Ed., "Network Configuration Protocol		and A. Bierman, Ed., "Network Configuration Protocol
	(NETCONF)", RFC 6241, DOI 10.17487/RFC6241, June 2011,		(NETCONF)", RFC 6241, DOI 10.17487/RFC6241, June 2011,
	<https://www.rfc-editor.org/info/rfc6241>.		<https://www.rfc-editor.org/info/rfc6241>.
	[RFC6242] Wasserman, M., "Using the NETCONF Protocol over Secure		[RFC6242] Wasserman, M., "Using the NETCONF Protocol over Secure
	Shell (SSH)", RFC 6242, DOI 10.17487/RFC6242, June 2011,		Shell (SSH)", RFC 6242, DOI 10.17487/RFC6242, June 2011,
	<https://www.rfc-editor.org/info/rfc6242>.		<https://www.rfc-editor.org/info/rfc6242>.
	[RFC8199] Bogdanovic, D., Claise, B., and C. Moberg, "YANG Module
	Classification", RFC 8199, DOI 10.17487/RFC8199, July
	2017, <https://www.rfc-editor.org/info/rfc8199>.
	[RFC8340] Bjorklund, M. and L. Berger, Ed., "YANG Tree Diagrams",		[RFC8340] Bjorklund, M. and L. Berger, Ed., "YANG Tree Diagrams",
	BCP 215, RFC 8340, DOI 10.17487/RFC8340, March 2018,		BCP 215, RFC 8340, DOI 10.17487/RFC8340, March 2018,
	<https://www.rfc-editor.org/info/rfc8340>.		<https://www.rfc-editor.org/info/rfc8340>.
	[RFC8342] Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,
	and R. Wilton, "Network Management Datastore Architecture
	(NMDA)", RFC 8342, DOI 10.17487/RFC8342, March 2018,
	<https://www.rfc-editor.org/info/rfc8342>.
	[RFC8407] Bierman, A., "Guidelines for Authors and Reviewers of
	Documents Containing YANG Data Models", BCP 216, RFC 8407,
	DOI 10.17487/RFC8407, October 2018,
	<https://www.rfc-editor.org/info/rfc8407>.
	Appendix A. Examples		Appendix A. Examples
	The following is a fictional example result from a query of the		The following is a fictional example result from a query of the
	module tags list. For the sake of brevity only a few module results		module tags list. For the sake of brevity only a few module results
	are imagined.		are imagined.
	<ns0:config xmlns:ns0="urn:ietf:params:xml:ns:netconf:base:1.0">		<ns0:config xmlns:ns0="urn:ietf:params:xml:ns:netconf:base:1.0">
	<t:module-tags xmlns:t="urn:ietf:params:xml:ns:yang:ietf-module-tags">		<t:module-tags xmlns:t="urn:ietf:params:xml:ns:yang:ietf-module-tags">
	<t:module>		<t:module>
	<t:name>ietf-bfd</t:name>		<t:name>ietf-bfd</t:name>
End of changes. 40 change blocks.
	77 lines changed or deleted		105 lines changed or added
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