rfc9854v3.txt		rfc9854.txt
	Internet Engineering Task Force (IETF) C.E. Perkins		Internet Engineering Task Force (IETF) C.E. Perkins
	Request for Comments: 9854 Blue Meadow Networks		Request for Comments: 9854 Blue Meadow Networks
	Category: Standards Track S.V.R. Anand		Category: Standards Track S.V.R. Anand
	ISSN: 2070-1721 Indian Institute of Science		ISSN: 2070-1721 Indian Institute of Science
	S. Anamalamudi		S. Anamalamudi
	SRM University-AP		SRM University-AP
	B. Liu		B. Liu
	Huawei Technologies		Huawei Technologies
	September 2025		October 2025
	AODV-RPL: The Routing Protocol for Low-Power and Lossy Networks (RPL)		AODV-RPL: The Routing Protocol for Low-Power and Lossy Networks (RPL)
	Based on Ad Hoc On-Demand Distance Vector (AODV) Routing		Based on Ad Hoc On-Demand Distance Vector (AODV) Routing
	Abstract		Abstract
	Route discovery for symmetric and asymmetric Peer-to-Peer (P2P)		Route discovery for symmetric and asymmetric Peer-to-Peer (P2P)
	traffic flows is a desirable feature in Low-Power and Lossy Networks		traffic flows is a desirable feature in Low-Power and Lossy Networks
	(LLNs). For that purpose, this document specifies AODV-RPL -- the		(LLNs). For that purpose, this document specifies AODV-RPL -- the
	Routing Protocol for Low-Power and Lossy Networks (RPL) based on Ad		Routing Protocol for Low-Power and Lossy Networks (RPL) based on Ad
	skipping to change at line 200 ¶		skipping to change at line 200 ¶
	route discovery.		route discovery.
	Bidirectional asymmetric link		Bidirectional asymmetric link
	A link that can be used in both directions but with different link		A link that can be used in both directions but with different link
	characteristics.		characteristics.
	DIO		DIO
	DODAG Information Object (as defined in [RFC6550]).		DODAG Information Object (as defined in [RFC6550]).
	DODAG RREQ-Instance (or simply RREQ-Instance)		DODAG RREQ-Instance (or simply RREQ-Instance)
	An RPL Instance built using the DIO with RREQ option; used for		A RPL Instance built using the DIO with RREQ option; used for
	transmission of control messages from OrigNode to TargNode, thus		transmission of control messages from OrigNode to TargNode, thus
	enabling data transmission from TargNode to OrigNode.		enabling data transmission from TargNode to OrigNode.
	DODAG RREP-Instance (or simply RREP-Instance)		DODAG RREP-Instance (or simply RREP-Instance)
	An RPL Instance built using the DIO with RREP option; used for		A RPL Instance built using the DIO with RREP option; used for
	transmission of control messages from TargNode to OrigNode, thus		transmission of control messages from TargNode to OrigNode, thus
	enabling data transmission from OrigNode to TargNode.		enabling data transmission from OrigNode to TargNode.
	Downward direction		Downward direction
	The direction from the OrigNode to the TargNode.		The direction from the OrigNode to the TargNode.
	Downward route		Downward route
	A route in the downward direction.		A route in the downward direction.
	Hop-by-hop route		Hop-by-hop route
	skipping to change at line 547 ¶		skipping to change at line 547 ¶
	OrigNode.		OrigNode.
	4.3. AODV-RPL Target Option		4.3. AODV-RPL Target Option
	The AODV-RPL Target (ART) option is based on the Target option in the		The AODV-RPL Target (ART) option is based on the Target option in the
	core RPL specification [RFC6550]. The Flags field is replaced by the		core RPL specification [RFC6550]. The Flags field is replaced by the
	Destination Sequence Number of the TargNode, and the Prefix Length		Destination Sequence Number of the TargNode, and the Prefix Length
	field is reduced to 7 bits so that the value is limited to be no		field is reduced to 7 bits so that the value is limited to be no
	greater than 127.		greater than 127.
	A RREQ-DIO message MUST carry at least one ART option. A RREP-DIO		An RREQ-DIO message MUST carry at least one ART option. An RREP-DIO
	message MUST carry exactly one ART option. Otherwise, the message		message MUST carry exactly one ART option. Otherwise, the message
	MUST be dropped.		MUST be dropped.
	OrigNode can include multiple TargNode addresses via multiple ART		OrigNode can include multiple TargNode addresses via multiple ART
	options in the RREQ-DIO, for routes that share the same requirement		options in the RREQ-DIO, for routes that share the same requirement
	on metrics. This reduces the cost to building only one DODAG for		on metrics. This reduces the cost to building only one DODAG for
	multiple targets.		multiple targets.
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	skipping to change at line 1598 ¶		skipping to change at line 1598 ¶
	Abdur Rashid Sangi		Abdur Rashid Sangi
	Wenzhou-Kean University		Wenzhou-Kean University
	88 Daxue Rd, Ouhai		88 Daxue Rd, Ouhai
	Wenzhou		Wenzhou
	Zhejiang Province, 325060		Zhejiang Province, 325060
	Kean University		Kean University
	1000 Morris Avenue		1000 Morris Avenue
	Union, New Jersey 07083		Union, New Jersey 07083
	United States of America		United States of America
	P.R. China		China
	Email: sangi_bahrian@yahoo.com		Email: sangi_bahrian@yahoo.com
	Malati Hegde		Malati Hegde
	Indian Institute of Science		Indian Institute of Science
	Bangalore 560012		Bangalore 560012
	India		India
	Email: malati@iisc.ac.in		Email: malati@iisc.ac.in
	Mingui Zhang		Mingui Zhang
	Huawei Technologies		Huawei Technologies
	No. 156 Beiqing Rd.		No. 156 Beiqing Rd.
	Haidian District		Haidian District
	Beijing		Beijing
	100095		100095
	P.R. China		China
	Email: zhangmingui@huawei.com		Email: zhangmingui@huawei.com
	Authors' Addresses		Authors' Addresses
	Charles E. Perkins		Charles E. Perkins
	Blue Meadow Networks		Blue Meadow Networks
	Saratoga, CA 95070		Saratoga, CA 95070
	United States of America		United States of America
	Email: charliep@lupinlodge.com		Email: charliep@lupinlodge.com
End of changes. 6 change blocks.
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