draft-ietf-pim-igmp-mld-snooping-yang-15.txt		draft-ietf-pim-igmp-mld-snooping-yang-16.txt
	PIM Working Group H. Zhao		PIM Working Group H. Zhao
	Internet Draft Ericsson		Internet Draft Ericsson
	Intended status: Standards Track X. Liu		Intended status: Standards Track X. Liu
	Expires: December 29, 2020 Volta Networks		Expires: January 05, 2021 Volta Networks
	Y. Liu		Y. Liu
	China Mobile		China Mobile
	M. Sivakumar		M. Sivakumar
	Juniper		Juniper
	A. Peter		A. Peter
	Individual		Individual
	June 30, 2020		July 06, 2020
	A Yang Data Model for IGMP and MLD Snooping		A Yang Data Model for IGMP and MLD Snooping
	draft-ietf-pim-igmp-mld-snooping-yang-15.txt		draft-ietf-pim-igmp-mld-snooping-yang-16.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 Internet Group Management Protocol (IGMP) and Multicast		and manage Internet Group Management Protocol (IGMP) and Multicast
	Listener Discovery (MLD) Snooping devices. The YANG module in this		Listener Discovery (MLD) Snooping devices. The YANG module in this
	document conforms to Network Management Datastore Architecture (NMDA).		document conforms to Network Management Datastore Architecture (NMDA).
	Status of this Memo		Status of this Memo
	skipping to change at page 1, line 46 ¶		skipping to change at page 1, line 46 ¶
	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."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/ietf/1id-abstracts.txt		http://www.ietf.org/ietf/1id-abstracts.txt
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html		http://www.ietf.org/shadow.html
	This Internet-Draft will expire on December 29, 2020.		This Internet-Draft will expire on January 05, 2021.
	Copyright Notice		Copyright Notice
	Copyright (c) 2020 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
	(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
	skipping to change at page 4, line 42 ¶		skipping to change at page 4, line 42 ¶
	| dot1q | ieee802-dot1q-bridge | [dot1Qcp] |		| dot1q | ieee802-dot1q-bridge | [dot1Qcp] |
	+----------+-----------------------+---------------------------------+		+----------+-----------------------+---------------------------------+
	Table 1: Prefixes and Corresponding YANG Modules		Table 1: Prefixes and Corresponding YANG Modules
	2. Design of Data Model		2. Design of Data Model
	An IGMP/MLD snooping switch [RFC4541] analyzes IGMP/MLD packets and sets		An IGMP/MLD snooping switch [RFC4541] analyzes IGMP/MLD packets and sets
	up forwarding tables for multicast traffic. If a switch does not run		up forwarding tables for multicast traffic. If a switch does not run
	IGMP/MLD snooping, multicast traffic will be flooded in the broadcast		IGMP/MLD snooping, multicast traffic will be flooded in the broadcast
	domain. If a switch runs IGMP/MLD snooping, multicast traffic will be		domain. If a switch runs IGMP/MLD snooping, multicast traffic will be
	forwarded based on the forwarding tables to avoid bandwidth waste. The		forwarded based on the forwarding tables to avoid wasting bandwidth. The
	IGMP/MLD snooping switch does not need to run any of the IGMP/MLD		IGMP/MLD snooping switch does not need to run any of the IGMP/MLD
	protocols. Because the IGMP/MLD snooping is independent of the IGMP/MLD		protocols. Because the IGMP/MLD snooping is independent of the IGMP/MLD
	protocols, the data model defined in this document does not augment, or		protocols, the data model defined in this document does not augment, or
	even require, the IGMP/MLD data model defined in [RFC8652].		even require, the IGMP/MLD data model defined in [RFC8652].
	The model covers considerations for Internet Group Management Protocol		The model covers considerations for Internet Group Management Protocol
	(IGMP) and Multicast Listener Discovery (MLD) Snooping Switches		(IGMP) and Multicast Listener Discovery (MLD) Snooping Switches
	[RFC4541].		[RFC4541].
	IGMP and MLD snooping switches do not adhere to the conceptual model		IGMP and MLD snooping switches do not adhere to the conceptual model
	that provides the strict separation of functionality between different		that provides the strict separation of functionality between different
	skipping to change at page 35, line 30 ¶		skipping to change at page 35, line 30 ¶
	ims:igmp-snooping-instance/ims:clear-igmp-snooping-groups		ims:igmp-snooping-instance/ims:clear-igmp-snooping-groups
	ims:mld-snooping-instance/ims:clear-mld-snooping-groups		ims:mld-snooping-instance/ims:clear-mld-snooping-groups
	Some of the actions in this YANG module may be considered sensitive or		Some of the actions in this YANG module may be considered sensitive or
	vulnerable in some network environments. The IGMP & MLD Snooping YANG		vulnerable in some network environments. The IGMP & MLD Snooping YANG
	module supports the "clear-igmp-snooping-groups" and "clear-mld-		module supports the "clear-igmp-snooping-groups" and "clear-mld-
	snooping-groups" actions. If unauthorized action is invoked, the IGMP		snooping-groups" actions. If unauthorized action is invoked, the IGMP
	and MLD Snooping group tables will be cleared unexpectedly. Especially		and MLD Snooping group tables will be cleared unexpectedly. Especially
	when using wildcard on group and source, the impact will be dramatic.		when using wildcard, all the multicast traffic will be flooded in the
			broadcast domain. The devices that use this YANG module should heed the
			Security Considerations in [RFC4541].
	6. IANA Considerations		6. IANA Considerations
	RFC Ed.: In this section, replace all occurrences of 'XXXX' with the		RFC Ed.: In this section, replace all occurrences of 'XXXX' with the
	actual RFC number (and remove this note).		actual RFC number (and remove this note).
	This document registers the following namespace URIs in the IETF XML		This document registers the following namespace URIs in the IETF XML
	registry [RFC3688]:		registry [RFC3688]:
End of changes. 6 change blocks.
	6 lines changed or deleted		8 lines changed or added
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