rfc9033v3.txt		rfc9033.txt
	Internet Engineering Task Force (IETF) T. Chang, Ed.		Internet Engineering Task Force (IETF) T. Chang, Ed.
	Request for Comments: 9033 M. Vučinić		Request for Comments: 9033 M. Vučinić
	Category: Standards Track Inria		Category: Standards Track Inria
	ISSN: 2070-1721 X. Vilajosana		ISSN: 2070-1721 X. Vilajosana
	Universitat Oberta de Catalunya		Universitat Oberta de Catalunya
	S. Duquennoy		S. Duquennoy
	RISE SICS		RISE SICS
	D. Dujovne		D. Dujovne
	Universidad Diego Portales		Universidad Diego Portales
	April 2021		May 2021
	6TiSCH Minimal Scheduling Function (MSF)		6TiSCH Minimal Scheduling Function (MSF)
	Abstract		Abstract
	This specification defines the "IPv6 over the TSCH mode of IEEE		This specification defines the "IPv6 over the TSCH mode of IEEE
	802.15.4e" (6TiSCH) Minimal Scheduling Function (MSF). This		802.15.4" (6TiSCH) Minimal Scheduling Function (MSF). This
	Scheduling Function describes both the behavior of a node when		Scheduling Function describes both the behavior of a node when
	joining the network and how the communication schedule is managed in		joining the network and how the communication schedule is managed in
	a distributed fashion. MSF is built upon the 6TiSCH Operation		a distributed fashion. MSF is built upon the 6TiSCH Operation
	Sublayer Protocol (6P) and the minimal security framework for 6TiSCH.		Sublayer Protocol (6P) and the minimal security framework for 6TiSCH.
	Status of This Memo		Status of This Memo
	This is an Internet Standards Track document.		This is an Internet Standards Track document.
	This document is a product of the Internet Engineering Task Force		This document is a product of the Internet Engineering Task Force
	skipping to change at line 694 ¶		skipping to change at line 694 ¶
	* MAXRETRIES, defined in [IEEE802154], is the maximum retransmission		* MAXRETRIES, defined in [IEEE802154], is the maximum retransmission
	times.		times.
	* SLOTFRAME_LENGTH represents the length of slotframe.		* SLOTFRAME_LENGTH represents the length of slotframe.
	10. Rule for Ordering Cells		10. Rule for Ordering Cells
	Cells are ordered by slotOffset first, channelOffset second.		Cells are ordered by slotOffset first, channelOffset second.
	The following sequence is correctly ordered (each element represents		The following sequence is correctly ordered (each element represents
	the [slottOffset,channelOffset] of a cell in the schedule):		the [slotOffset,channelOffset] of a cell in the schedule):
	[1,3],[1,4],[2,0],[5,3],[6,0],[6,3],[7,9]		[1,3],[1,4],[2,0],[5,3],[6,0],[6,3],[7,9]
	11. Meaning of the Metadata Field		11. Meaning of the Metadata Field
	The Metadata field is not used by MSF.		The Metadata field is not used by MSF.
	12. 6P Error Handling		12. 6P Error Handling
	Section 6.2.4 of [RFC8480] lists the 6P return codes. Table 1 lists		Section 6.2.4 of [RFC8480] lists the 6P return codes. Table 1 lists
	skipping to change at line 871 ¶		skipping to change at line 871 ¶
	not directly from MSF, but from an interaction with the 6top sublayer		not directly from MSF, but from an interaction with the 6top sublayer
	that ultimately manages the bundles under MSF's guidance. How this		that ultimately manages the bundles under MSF's guidance. How this
	rate limit is implemented is out of scope of MSF.		rate limit is implemented is out of scope of MSF.
	17. IANA Considerations		17. IANA Considerations
	17.1. MSF Scheduling Function Identifiers		17.1. MSF Scheduling Function Identifiers
	This document adds the following number to the "6P Scheduling		This document adds the following number to the "6P Scheduling
	Function Identifiers" subregistry, part of the "IPv6 Over the TSCH		Function Identifiers" subregistry, part of the "IPv6 Over the TSCH
	Mode of IEEE 802.15.4e (6TiSCH)" registry, as defined by [RFC8480]:		Mode of IEEE 802.15.4 (6TiSCH)" registry, as defined by [RFC8480]:
	+======+===================================+===========+		+======+===================================+===========+
	| SFID | Name | Reference |		| SFID | Name | Reference |
	+======+===================================+===========+		+======+===================================+===========+
	| 0 | Minimal Scheduling Function (MSF) | RFC 9033 |		| 0 | Minimal Scheduling Function (MSF) | RFC 9033 |
	+------+-----------------------------------+-----------+		+------+-----------------------------------+-----------+
	Table 4: New SFID in the "6P Scheduling Function		Table 4: New SFID in the "6P Scheduling Function
	Identifiers" Subregistry		Identifiers" Subregistry
	skipping to change at line 932 ¶		skipping to change at line 932 ¶
	[RFC8180] Vilajosana, X., Ed., Pister, K., and T. Watteyne, "Minimal		[RFC8180] Vilajosana, X., Ed., Pister, K., and T. Watteyne, "Minimal
	IPv6 over the TSCH Mode of IEEE 802.15.4e (6TiSCH)		IPv6 over the TSCH Mode of IEEE 802.15.4e (6TiSCH)
	Configuration", BCP 210, RFC 8180, DOI 10.17487/RFC8180,		Configuration", BCP 210, RFC 8180, DOI 10.17487/RFC8180,
	May 2017, <https://www.rfc-editor.org/info/rfc8180>.		May 2017, <https://www.rfc-editor.org/info/rfc8180>.
	[RFC8480] Wang, Q., Ed., Vilajosana, X., and T. Watteyne, "6TiSCH		[RFC8480] Wang, Q., Ed., Vilajosana, X., and T. Watteyne, "6TiSCH
	Operation Sublayer (6top) Protocol (6P)", RFC 8480,		Operation Sublayer (6top) Protocol (6P)", RFC 8480,
	DOI 10.17487/RFC8480, November 2018,		DOI 10.17487/RFC8480, November 2018,
	<https://www.rfc-editor.org/info/rfc8480>.		<https://www.rfc-editor.org/info/rfc8480>.
	[RFC9030] Thubert, P., Ed., "An Architecture for IPv6 over the TSCH		[RFC9030] Thubert, P., Ed., "An Architecture for IPv6 over the Time-
	Mode of IEEE 802.15.4", RFC 9030, DOI 10.17487/RFC9030,		Slotted Channel Hopping Mode of IEEE 802.15.4 (6TiSCH)",
	April 2021, <https://www.rfc-editor.org/info/rfc9030>.		RFC 9030, DOI 10.17487/RFC9030, May 2021,
			<https://www.rfc-editor.org/info/rfc9030>.
	[RFC9031] Vucinic, M., Ed., Simon, J., Pister, K., and M.		[RFC9031] Vučinić, M., Ed., Simon, J., Pister, K., and M.
	Richardson, "Constrained Join Protocol (CoJP) for 6TiSCH",		Richardson, "Constrained Join Protocol (CoJP) for 6TiSCH",
	RFC 9031, DOI 10.17487/RFC9031, April 2021,		RFC 9031, DOI 10.17487/RFC9031, May 2021,
	<https://www.rfc-editor.org/info/rfc9031>.		<https://www.rfc-editor.org/info/rfc9031>.
	[RFC9032] Dujovne, D. and M. Richardson, "IEEE 802.15.4 Information		[RFC9032] Dujovne, D., Ed. and M. Richardson, "Encapsulation of
	Element Encapsulation of 6TiSCH Join and Enrollment		6TiSCH Join and Enrollment Information Elements",
	Information", RFC 9032, DOI 10.17487/RFC9032, April 2021,		RFC 9032, DOI 10.17487/RFC9032, May 2021,
	<https://www.rfc-editor.org/info/rfc9032>.		<https://www.rfc-editor.org/info/rfc9032>.
	[SAX-DASFAA]		[SAX-DASFAA]
	Ramakrishna, M.V. and J. Zobel, "Performance in Practice		Ramakrishna, M.V. and J. Zobel, "Performance in Practice
	of String Hashing Functions", DASFAA,		of String Hashing Functions", DASFAA,
	DOI 10.1142/9789812819536_0023, 1997,		DOI 10.1142/9789812819536_0023, 1997,
	<https://doi.org/10.1142/9789812819536_0023>.		<https://doi.org/10.1142/9789812819536_0023>.
	18.2. Informative References		18.2. Informative References
End of changes. 8 change blocks.
	12 lines changed or deleted		13 lines changed or added
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