< draft-ietf-6lo-btle-09.txt		draft-ietf-6lo-btle-10.txt >
	6Lo Working Group J. Nieminen		6Lo Working Group J. Nieminen
	Internet-Draft T. Savolainen		Internet-Draft T. Savolainen
	Intended status: Standards Track M. Isomaki		Intended status: Standards Track M. Isomaki
	Expires: August 22, 2015 Nokia		Expires: August 27, 2015 Nokia
	B. Patil		B. Patil
	AT&T		AT&T
	Z. Shelby		Z. Shelby
	Arm		Arm
	C. Gomez		C. Gomez
	Universitat Politecnica de Catalunya/i2CAT		Universitat Politecnica de Catalunya/i2CAT
	February 18, 2015		February 23, 2015
	Transmission of IPv6 Packets over BLUETOOTH(R) Low Energy		Transmission of IPv6 Packets over BLUETOOTH(R) Low Energy
	draft-ietf-6lo-btle-09		draft-ietf-6lo-btle-10
	Abstract		Abstract
	Bluetooth Smart is the brand name for the Bluetooth low energy		Bluetooth Smart is the brand name for the Bluetooth low energy
	feature in the Bluetooth specification defined by the Bluetooth		feature in the Bluetooth specification defined by the Bluetooth
	Special Interest Group. The standard Bluetooth radio has been widely		Special Interest Group. The standard Bluetooth radio has been widely
	implemented and available in mobile phones, notebook computers, audio		implemented and available in mobile phones, notebook computers, audio
	headsets and many other devices. The low power version of Bluetooth		headsets and many other devices. The low power version of Bluetooth
	is a specification that enables the use of this air interface with		is a specification that enables the use of this air interface with
	devices such as sensors, smart meters, appliances, etc. The low		devices such as sensors, smart meters, appliances, etc. The low
	skipping to change at page 1, line 47 ¶		skipping to change at page 1, line 47 ¶
	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 August 22, 2015.		This Internet-Draft will expire on August 27, 2015.
	Copyright Notice		Copyright Notice
	Copyright (c) 2015 IETF Trust and the persons identified as the		Copyright (c) 2015 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 12, line 31 ¶		skipping to change at page 12, line 31 ¶
	the case where a 6LBR is attached to multiple 6LNs, the 6LBR cannot		the case where a 6LBR is attached to multiple 6LNs, the 6LBR cannot
	do a multicast to all the connected 6LNs. If the 6LBR needs to send		do a multicast to all the connected 6LNs. If the 6LBR needs to send
	a multicast packet to all its 6LNs, it has to replicate the packet		a multicast packet to all its 6LNs, it has to replicate the packet
	and unicast it on each link. However, this may not be energy-		and unicast it on each link. However, this may not be energy-
	efficient and particular care must be taken if the master is battery-		efficient and particular care must be taken if the master is battery-
	powered. In the opposite direction, a 6LN always has to send packets		powered. In the opposite direction, a 6LN always has to send packets
	to or through 6LBR. Hence, when a 6LN needs to transmit an IPv6		to or through 6LBR. Hence, when a 6LN needs to transmit an IPv6
	multicast packet, the 6LN will unicast the corresponding Bluetooth LE		multicast packet, the 6LN will unicast the corresponding Bluetooth LE
	packet to the 6LBR. The 6LBR will then forward the multicast packet		packet to the 6LBR. The 6LBR will then forward the multicast packet
	to other 6LNs. To avoid excess of unwanted multicast traffic being		to other 6LNs. To avoid excess of unwanted multicast traffic being
	sent to 6LNs, the 6LBR SHOULD implement MLD Snooping feature		sent to 6LNs, the 6LBR can implement MLD Snooping feature [RFC4541].
	[RFC4541].
	3.3. Internet connectivity scenarios		3.3. Internet connectivity scenarios
	In a typical scenario, the Bluetooth LE network is connected to the		In a typical scenario, the Bluetooth LE network is connected to the
	Internet as shown in the Figure 6.		Internet as shown in the Figure 6.
	6LN		6LN
	\ ____________		\ ____________
	\ / \		\ / \
	6LN ---- 6LBR ----- | Internet |		6LN ---- 6LBR ----- | Internet |
	skipping to change at page 15, line 5 ¶		skipping to change at page 14, line 49 ¶
	[IPSP] Bluetooth Special Interest Group, "Bluetooth Internet		[IPSP] Bluetooth Special Interest Group, "Bluetooth Internet
	Protocol Support Profile Specification Version 1.0.0",		Protocol Support Profile Specification Version 1.0.0",
	December 2014.		December 2014.
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119, March 1997.		Requirement Levels", BCP 14, RFC 2119, March 1997.
	[RFC4291] Hinden, R. and S. Deering, "IP Version 6 Addressing		[RFC4291] Hinden, R. and S. Deering, "IP Version 6 Addressing
	Architecture", RFC 4291, February 2006.		Architecture", RFC 4291, February 2006.
	[RFC4541] Christensen, M., Kimball, K., and F. Solensky,
	"Considerations for Internet Group Management Protocol
	(IGMP) and Multicast Listener Discovery (MLD) Snooping
	Switches", RFC 4541, May 2006.
	[RFC4861] Narten, T., Nordmark, E., Simpson, W., and H. Soliman,		[RFC4861] Narten, T., Nordmark, E., Simpson, W., and H. Soliman,
	"Neighbor Discovery for IP version 6 (IPv6)", RFC 4861,		"Neighbor Discovery for IP version 6 (IPv6)", RFC 4861,
	September 2007.		September 2007.
	[RFC4862] Thomson, S., Narten, T., and T. Jinmei, "IPv6 Stateless		[RFC4862] Thomson, S., Narten, T., and T. Jinmei, "IPv6 Stateless
	Address Autoconfiguration", RFC 4862, September 2007.		Address Autoconfiguration", RFC 4862, September 2007.
	[RFC6282] Hui, J. and P. Thubert, "Compression Format for IPv6		[RFC6282] Hui, J. and P. Thubert, "Compression Format for IPv6
	Datagrams over IEEE 802.15.4-Based Networks", RFC 6282,		Datagrams over IEEE 802.15.4-Based Networks", RFC 6282,
	September 2011.		September 2011.
	skipping to change at page 16, line 11 ¶		skipping to change at page 16, line 5 ¶
	[RFC3633] Troan, O. and R. Droms, "IPv6 Prefix Options for Dynamic		[RFC3633] Troan, O. and R. Droms, "IPv6 Prefix Options for Dynamic
	Host Configuration Protocol (DHCP) version 6", RFC 3633,		Host Configuration Protocol (DHCP) version 6", RFC 3633,
	December 2003.		December 2003.
	[RFC3972] Aura, T., "Cryptographically Generated Addresses (CGA)",		[RFC3972] Aura, T., "Cryptographically Generated Addresses (CGA)",
	RFC 3972, March 2005.		RFC 3972, March 2005.
	[RFC4193] Hinden, R. and B. Haberman, "Unique Local IPv6 Unicast		[RFC4193] Hinden, R. and B. Haberman, "Unique Local IPv6 Unicast
	Addresses", RFC 4193, October 2005.		Addresses", RFC 4193, October 2005.
			[RFC4541] Christensen, M., Kimball, K., and F. Solensky,
			"Considerations for Internet Group Management Protocol
			(IGMP) and Multicast Listener Discovery (MLD) Snooping
			Switches", RFC 4541, May 2006.
	[RFC4941] Narten, T., Draves, R., and S. Krishnan, "Privacy		[RFC4941] Narten, T., Draves, R., and S. Krishnan, "Privacy
	Extensions for Stateless Address Autoconfiguration in		Extensions for Stateless Address Autoconfiguration in
	IPv6", RFC 4941, September 2007.		IPv6", RFC 4941, September 2007.
	[RFC4944] Montenegro, G., Kushalnagar, N., Hui, J., and D. Culler,		[RFC4944] Montenegro, G., Kushalnagar, N., Hui, J., and D. Culler,
	"Transmission of IPv6 Packets over IEEE 802.15.4		"Transmission of IPv6 Packets over IEEE 802.15.4
	Networks", RFC 4944, September 2007.		Networks", RFC 4944, September 2007.
	[RFC5535] Bagnulo, M., "Hash-Based Addresses (HBA)", RFC 5535, June		[RFC5535] Bagnulo, M., "Hash-Based Addresses (HBA)", RFC 5535, June
	2009.		2009.
End of changes. 7 change blocks.
	11 lines changed or deleted		10 lines changed or added
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