Diff: rfc8658v4.txt - rfc8658.txt

	rfc8658v4.txt	rfc8658.txt

	skipping to change at line 203 ¶	skipping to change at line 203 ¶
	+----------------------------+-----------------------+	+----------------------------+-----------------------+
	\| OPTION_S46_V4V6BIND (92) \| Softwire46-V4V6Bind \|	\| OPTION_S46_V4V6BIND (92) \| Softwire46-V4V6Bind \|
	+----------------------------+-----------------------+	+----------------------------+-----------------------+
	\| OPTION_S46_PORTPARAMS (93) \| Softwire46-PORTPARAMS \|	\| OPTION_S46_PORTPARAMS (93) \| Softwire46-PORTPARAMS \|
	+----------------------------+-----------------------+	+----------------------------+-----------------------+
	\| OPTION_S46_PRIORITY (111) \| Softwire46-Priority \|	\| OPTION_S46_PRIORITY (111) \| Softwire46-Priority \|
	+----------------------------+-----------------------+	+----------------------------+-----------------------+
	\| OPTION_V6_PREFIX64 (113) \| Softwire46-Multicast \|	\| OPTION_V6_PREFIX64 (113) \| Softwire46-Multicast \|
	+----------------------------+-----------------------+	+----------------------------+-----------------------+


	Table 1: Mapping between DHCPv6 Options and RADIUS	Table 1: Mapping between DHCPv6 Options and
	Attributes	RADIUS Attributes

	A RADIUS attribute for Dual-Stack Lite [RFC6333] is defined in	A RADIUS attribute for Dual-Stack Lite [RFC6333] is defined in
	[RFC6519].	[RFC6519].

	This document targets deployments where a trusted relationship is in	This document targets deployments where a trusted relationship is in
	place between the RADIUS client and server.	place between the RADIUS client and server.

	2. Terminology	2. Terminology

	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",

	skipping to change at line 375 ¶	skipping to change at line 375 ¶
	2. Softwire46-MAP-T (Section 3.1.1.2)	2. Softwire46-MAP-T (Section 3.1.1.2)

	3. Softwire46-Lightweight 4over6 (Section 3.1.1.3)	3. Softwire46-Lightweight 4over6 (Section 3.1.1.3)

	Each type of Softwire46 attribute contains a number of sub-	Each type of Softwire46 attribute contains a number of sub-
	attributes, defined in Section 3.1.3. The hierarchy of the	attributes, defined in Section 3.1.3. The hierarchy of the
	Softwire46 attributes is shown in Figure 1. Section 3.1.2 describes	Softwire46 attributes is shown in Figure 1. Section 3.1.2 describes
	which sub-attributes are mandatory, optional, or not permitted for	which sub-attributes are mandatory, optional, or not permitted for
	each defined Softwire46 attribute.	each defined Softwire46 attribute.


	/1.Rule-IPv6-Prefix	/1.Rule-IPv6-Prefix
	S / \|	S / \|
	o / \| 1.Softwire46-Rule -----+ 2.Rule-IPv4-Prefix	o / \| 1.Softwire46-Rule --+ 2.Rule-IPv4-Prefix
	f \| Softwire46-MAP-E--+ \|	f \| Softwire46-MAP-E--+ \|
	t \| \| 2.Softwire46-BR \| 3.EA-Length	t \| \| 2.Softwire46-BR \| 3.EA-Length
	w \| \| \	w \| \| \
	i \| \| /1.PSID-Offset	i \| \| /1.PSID-Offset
	r \| \| \|	r \| \| \|
	e \| \| 3.Softwire46-PORTPARAMS -----+ 2.PSID-Len	e \| \| 3.Softwire46-PORTPARAMS -----+ 2.PSID-Len
	4 \| \ \|	4 \| \ \|
	6 \| \| 3.PSID	6 \| \| 3.PSID
	- \| \	- \| \
	C \|	C \|
	o \| /1.Rule-IPv6-Prefix	o \| /1.Rule-IPv6-Prefix
	n \| / \|	n \| / \|
	f \| \| 1.Softwire46-Rule------+ 2.Rule-IPv4-Prefix	f \| \| 1.Softwire46-Rule---+ 2.Rule-IPv4-Prefix
	i \| Softwire46-MAP-T--+ \|	i \| Softwire46-MAP-T--+ \|
	g \| \| 2.Softwire46-DMR \| 3.EA-Length	g \| \| 2.Softwire46-DMR \| 3.EA-Length
	u \| \| \	u \| \| \
	r \| \| /1.PSID-Offset	r \| \| /1.PSID-Offset
	a \| \| \|	a \| \| \|
	t \| \| 3.Softwire46-PORTPARAMS------+ 2.PSID-Len	t \| \| 3.Softwire46-PORTPARAMS------+ 2.PSID-Len
	i \| \ \|	i \| \ \|
	o \| \| 3.PSID	o \| \| 3.PSID
	n \| \	n \| \
	\|	\|
	A \| /1.IPv4-Address	A \| /1.IPv4-Address
	t \| / \|	t \| / \|
	t \| \| 1.Softwire46-V4V6Bind -----+ 2.Bind-IPv6-Prefix	t \| \| 1.Softwire46-V4V6Bind --+ 2.Bind-IPv6-Prefix
	r \| Softwire46- \| \	r \| Softwire46- \| \
	i \| Lightweight-4over6+ 2.Softwire46-BR /1.PSID-Offset	i \| Lightweight-4over6+ 2.Softwire46-BR /1.PSID-Offset
	b \ \| \|	b \ \| \|
	u \| 3.Softwire46-PORTPARAMS ----+ 2.PSID-Len	u \| 3.Softwire46-PORTPARAMS ----+ 2.PSID-Len
	t \ \|	t \ \|
	e \| 3.PSID	e \| 3.PSID
	\	\

	Figure 1: Softwire46 Attribute Hierarchy	Figure 1: Softwire46 Attribute Hierarchy

	3.1.1.1. Softwire46-MAP-E Attribute	3.1.1.1. Softwire46-MAP-E Attribute

	The Softwire46-MAP-E attribute is designed to carry the configuration	The Softwire46-MAP-E attribute is designed to carry the configuration
	information for MAP-E. The structure of Softwire46-MAP-E is shown	information for MAP-E. The structure of Softwire46-MAP-E is shown
	below:	below:

	TLV-Type	TLV-Type

	skipping to change at line 1075 ¶	skipping to change at line 1075 ¶
	used in the SSM mode for constructing the IPv4-embedded IPv6	used in the SSM mode for constructing the IPv4-embedded IPv6
	addresses representing the IPv4 multicast sources in the IPv6	addresses representing the IPv4 multicast sources in the IPv6
	domain. It may also be used to extract the IPv4 address from the	domain. It may also be used to extract the IPv4 address from the
	received multicast data flows.	received multicast data flows.

	4. A Sample Configuration Process with RADIUS	4. A Sample Configuration Process with RADIUS

	Figure 2 illustrates how the RADIUS and DHCPv6 protocols interwork to	Figure 2 illustrates how the RADIUS and DHCPv6 protocols interwork to
	provide CE with softwire configuration information.	provide CE with softwire configuration information.


	CE BNG AAA Server	CE BNG AAA Server
	\| \| \|	\| \| \|
	\|-------1.DHCPv6 Solicit------->\| \|	\|-------1.DHCPv6 Solicit------->\| \|
	\|(ORO with unicast and/or \| \|	\|(ORO with unicast and/or \| \|
	\| multicast container option \| \|	\| multicast container option \| \|
	\| codes(s)) \| \|	\| codes(s)) \| \|
	\| \|-------2.Access-Request------->\|	\| \|-------2.Access-Request------->\|
	\| \| (Softwire46-Configuration \|	\| \| (Softwire46-Configuration \|
	\| \| Attribute and/or \|	\| \| Attribute and/or \|
	\| \|Softwire46-Multicast Attribute)\|	\| \|Softwire46-Multicast Attribute)\|
	\| \| \|	\| \| \|
	\| \|<------3.Access-Accept---------\|	\| \|<------3.Access-Accept---------\|
	\| \| (Softwire46-Configuration \|	\| \| (Softwire46-Configuration \|
	\| \| Attribute and/or \|	\| \| Attribute and/or \|
	\| \|Softwire46-Multicast Attribute)\|	\| \|Softwire46-Multicast Attribute)\|
	\| \| \|	\| \| \|
	\|<----4.DHCPv6 Advertisement----\| \|	\|<----4.DHCPv6 Advertisement----\| \|
	\| (container option(s)) \| \|	\| (container option(s)) \| \|
	\| \| \|	\| \| \|
	\|-------5.DHCPv6 Request------>\| \|	\|-------5.DHCPv6 Request------>\| \|
	\| (container option(s)) \| \|	\| (container option(s)) \| \|
	\| \| \|	\| \| \|
	\|<--------6.DHCPv6 Reply--------\| \|	\|<--------6.DHCPv6 Reply--------\| \|
	\| (container option(s)) \| \|	\| (container option(s)) \| \|
	\| \| \|	\| \| \|
	DHCPv6 RADIUS	DHCPv6 RADIUS


	Figure 2: Interaction between DHCPv6 and AAA Server with RADIUS	Figure 2: Interaction between DHCPv6 and AAA Server with
	Authentication	RADIUS Authentication

	1. The CE creates a DHCPv6 Solicit message. For unicast softwire	1. The CE creates a DHCPv6 Solicit message. For unicast softwire
	configuration, the message includes an OPTION_REQUEST_OPTION (6)	configuration, the message includes an OPTION_REQUEST_OPTION (6)
	with the Softwire46 Container option code(s) as defined in	with the Softwire46 Container option code(s) as defined in
	[RFC7598]. OPTION_S46_CONT_MAPE (94) should be included for MAP-	[RFC7598]. OPTION_S46_CONT_MAPE (94) should be included for MAP-
	E, OPTION_S46_CONT_MAPT (95) for MAP-T, and OPTION_S46_CONT_LW	E, OPTION_S46_CONT_MAPT (95) for MAP-T, and OPTION_S46_CONT_LW
	(96) for Lightweight 4over6. For multicast configuration, the	(96) for Lightweight 4over6. For multicast configuration, the
	option number for OPTION_V6_PREFIX64 (113) is included in the	option number for OPTION_V6_PREFIX64 (113) is included in the
	client's Option Request Option (ORO). The message is sent to the	client's Option Request Option (ORO). The message is sent to the
	BNG.	BNG.

	skipping to change at line 1212 ¶	skipping to change at line 1212 ¶
	of CoA-Requests between the BNG and the AAA server, as shown in	of CoA-Requests between the BNG and the AAA server, as shown in
	Figure 3. Concretely, when the BNG receives a CoA-Request message	Figure 3. Concretely, when the BNG receives a CoA-Request message
	containing Softwire46 attributes, it sends a DHCPv6 Reconfigure	containing Softwire46 attributes, it sends a DHCPv6 Reconfigure
	message to the appropriate CE to inform that CE that an updated	message to the appropriate CE to inform that CE that an updated
	configuration is available. Upon receipt of such a message, the CE	configuration is available. Upon receipt of such a message, the CE
	sends a DHCPv6 Renew or Information-Request in order to receive the	sends a DHCPv6 Renew or Information-Request in order to receive the
	updated Softwire46 configuration. In deployments where the BNG	updated Softwire46 configuration. In deployments where the BNG
	embeds a DHCPv6 relay, CoA-Requests can be used following the	embeds a DHCPv6 relay, CoA-Requests can be used following the
	procedure specified in [RFC6977].	procedure specified in [RFC6977].


	CE BNG AAA Server	CE BNG AAA Server
	\| \| \|	\| \| \|
	\|---DHCPv6 Solicit--------->\| \|	\|---DHCPv6 Solicit--------->\| \|
	\| \|---Access-Request---------->\|	\| \|---Access-Request---------->\|
	\| \|<--Access-Accept------------\|	\| \|<--Access-Accept------------\|
	\| \|(Softwire46-Configuration \|	\| \|(Softwire46-Configuration \|
	\| \| Attribute ...) \|	\| \| Attribute ...) \|
	....	....
	\| \| \|	\| \| \|
	\| \|<-----CoA-Request-----------\|	\| \|<-----CoA-Request-----------\|
	\| \|(Softwire46-Configuration \|	\| \|(Softwire46-Configuration \|

	skipping to change at line 1519 ¶	skipping to change at line 1519 ¶

	[RFC8415] Mrugalski, T., Siodelski, M., Volz, B., Yourtchenko, A.,	[RFC8415] Mrugalski, T., Siodelski, M., Volz, B., Yourtchenko, A.,
	Richardson, M., Jiang, S., Lemon, T., and T. Winters,	Richardson, M., Jiang, S., Lemon, T., and T. Winters,
	"Dynamic Host Configuration Protocol for IPv6 (DHCPv6)",	"Dynamic Host Configuration Protocol for IPv6 (DHCPv6)",
	RFC 8415, DOI 10.17487/RFC8415, November 2018,	RFC 8415, DOI 10.17487/RFC8415, November 2018,
	<https://www.rfc-editor.org/info/rfc8415>.	<https://www.rfc-editor.org/info/rfc8415>.

	8.2. Informative References	8.2. Informative References

	[LIGHTWEIGHT-4OVER6]	[LIGHTWEIGHT-4OVER6]

	Xie, C., Sun, Q., Sun, Q., Zhou, C., Tsou, T., and Z. Liu,	Xie, C., Sun, Q., Qiong, Q., Zhou, C., Tsou, T., and Z.
	"Radius Extension for Lightweight 4over6", Work in	Liu, "Radius Extension for Lightweight 4over6", Work in
	Progress, Internet-Draft, draft-sun-softwire-lw4over6-	Progress, Internet-Draft, draft-sun-softwire-lw4over6-
	radext-01, 6 March 2014, <https://tools.ietf.org/html/	radext-01, 6 March 2014, <https://tools.ietf.org/html/
	draft-sun-softwire-lw4over6-radext-01>.	draft-sun-softwire-lw4over6-radext-01>.

	[RADIUS-EXT]	[RADIUS-EXT]
	Wang, Q., Meng, W., Wang, C., and M. Boucadair, "RADIUS	Wang, Q., Meng, W., Wang, C., and M. Boucadair, "RADIUS
	Extensions for IPv4-Embedded Multicast and Unicast IPv6	Extensions for IPv4-Embedded Multicast and Unicast IPv6
	Prefixes", Work in Progress, Internet-Draft, draft-wang-	Prefixes", Work in Progress, Internet-Draft, draft-wang-
	radext-multicast-radius-ext-00, 2 December 2015,	radext-multicast-radius-ext-00, 2 December 2015,
	<https://tools.ietf.org/html/draft-wang-radext-multicast-	<https://tools.ietf.org/html/draft-wang-radext-multicast-

	skipping to change at line 1661 ¶	skipping to change at line 1661 ¶
	\| OPTION_S46_V4V6BIND \| Softwire46-V4V6Bind \| TLV Subfield \|	\| OPTION_S46_V4V6BIND \| Softwire46-V4V6Bind \| TLV Subfield \|
	\| Field \| Name \| \|	\| Field \| Name \| \|
	+=====================+=====================+==================+	+=====================+=====================+==================+
	\| ipv4-address \| IPv4-Address \| ipv4-address \|	\| ipv4-address \| IPv4-Address \| ipv4-address \|
	+---------------------+---------------------+------------------+	+---------------------+---------------------+------------------+
	\| bindprefix6-len \| Bind-IPv6-Prefix \| Prefix-Length \|	\| bindprefix6-len \| Bind-IPv6-Prefix \| Prefix-Length \|
	+---------------------+---------------------+------------------+	+---------------------+---------------------+------------------+
	\| bind-ipv6-prefix \| Bind-IPv6-Prefix \| bind-ipv6-prefix \|	\| bind-ipv6-prefix \| Bind-IPv6-Prefix \| bind-ipv6-prefix \|
	+---------------------+---------------------+------------------+	+---------------------+---------------------+------------------+


	Table 10: OPTION_S46_V4V6BIND to Softwire46-V4V6Bind Field	Table 10: OPTION_S46_V4V6BIND to Softwire46-V4V6Bind
	Mappings	Field Mappings

	A.5. OPTION_S46_PORTPARAMS (93) to Softwire46-PORTPARAMS Field Mappings	A.5. OPTION_S46_PORTPARAMS (93) to Softwire46-PORTPARAMS Field Mappings

	+-----------------------------+-----------------------+-------------+	+-----------------------------+-----------------------+-------------+
	\| OPTION_S46_PORTPARAMS \| Softwire46-PORTPARAMS \| TLV \|	\| OPTION_S46_PORTPARAMS \| Softwire46-PORTPARAMS \| TLV \|
	\| Field \| Name \| Subfield \|	\| Field \| Name \| Subfield \|
	+=============================+=======================+=============+	+=============================+=======================+=============+
	\| offset \| PSID-Offset \| PSID-Offset \|	\| offset \| PSID-Offset \| PSID-Offset \|
	+-----------------------------+-----------------------+-------------+	+-----------------------------+-----------------------+-------------+
	\| PSID-len \| PSID-Len \| PSID-len \|	\| PSID-len \| PSID-Len \| PSID-len \|
	+-----------------------------+-----------------------+-------------+	+-----------------------------+-----------------------+-------------+
	\| PSID \| PSID \| PSID \|	\| PSID \| PSID \| PSID \|
	+-----------------------------+-----------------------+-------------+	+-----------------------------+-----------------------+-------------+


	Table 11: OPTION_S46_PORTPARAMS to Softwire46-PORTPARAMS Field	Table 11: OPTION_S46_PORTPARAMS to Softwire46-PORTPARAMS
	Mappings	Field Mappings

	A.6. OPTION_S46_PRIORITY (111) to Softwire46-PORTPARAMS Field Mappings	A.6. OPTION_S46_PRIORITY (111) to Softwire46-PORTPARAMS Field Mappings

	+---------------------------+------------------------+	+---------------------------+------------------------+
	\| OPTION_S46_PRIORITY Field \| Softwire46-Priority \|	\| OPTION_S46_PRIORITY Field \| Softwire46-Priority \|
	\| \| Attribute Subfield \|	\| \| Attribute Subfield \|
	+===========================+========================+	+===========================+========================+
	\| s46-option-code \| Softwire46-option-code \|	\| s46-option-code \| Softwire46-option-code \|
	+---------------------------+------------------------+	+---------------------------+------------------------+


	skipping to change at line 1731 ¶	skipping to change at line 1731 ¶
	This document was merged with [LIGHTWEIGHT-4OVER6] and [RADIUS-EXT].	This document was merged with [LIGHTWEIGHT-4OVER6] and [RADIUS-EXT].
	Thanks to everyone who contributed to this document.	Thanks to everyone who contributed to this document.

	Many thanks to Al Morton, Bernie Volz, Joel Halpern, and Donald	Many thanks to Al Morton, Bernie Volz, Joel Halpern, and Donald
	Eastlake for the review.	Eastlake for the review.

	Contributors	Contributors

	Bing Liu	Bing Liu
	Huawei Technologies Co., Ltd.	Huawei Technologies Co., Ltd.

	Q14, Huawei Campus, No.156 Beiqing Road
	Hai-Dian District, Beijing, 100095
	China	China

	Email: leo.liubing@huawei.com	Email: leo.liubing@huawei.com

	Peter Deacon	Peter Deacon
	IEA Software, Inc.	IEA Software, Inc.

	P.O. Box 1170
	Veradale, WA 99037
	United States of America	United States of America

	Email: peterd@iea-software.com	Email: peterd@iea-software.com

	Qiong Sun	Qiong Sun
	China Telecom	China Telecom

	Beijing
	China	China

	Email: sunqiong@ctbri.com.cn	Email: sunqiong@ctbri.com.cn

	Qi Sun	Qi Sun
	Tsinghua University	Tsinghua University

	Department of Computer Science, Tsinghua University
	Beijing 100084
	China	China


	Phone: +86-10-6278-5822
	Email: sunqibupt@gmail.com	Email: sunqibupt@gmail.com

	Cathy Zhou	Cathy Zhou
	Huawei Technologies	Huawei Technologies

	Bantian, Longgang District
	Shenzhen 518129
	China	China

	Email: cathy.zhou@huawei.com	Email: cathy.zhou@huawei.com

	Tina Tsou	Tina Tsou
	Huawei Technologies (USA)	Huawei Technologies (USA)

	2330 Central Expressway
	Santa Clara, CA 95050
	United States of America	United States of America

	Email: Tina.Tsou.Zouting@huawei.com	Email: Tina.Tsou.Zouting@huawei.com

	ZiLong Liu	ZiLong Liu
	Tsinghua University	Tsinghua University

	Beijing 100084
	China	China


	Phone: +86-10-6278-5822
	Email: liuzilong8266@126.com	Email: liuzilong8266@126.com

	Yong Cui	Yong Cui
	Tsinghua University	Tsinghua University

	Beijing 100084
	China	China


	Phone: +86-10-62603059
	Email: yong@csnet1.cs.tsinghua.edu.cn	Email: yong@csnet1.cs.tsinghua.edu.cn

	Authors' Addresses	Authors' Addresses

	Sheng Jiang (editor)	Sheng Jiang (editor)
	China	China
	Hai-Dian District, Beijing, 100095	Hai-Dian District, Beijing, 100095
	Q14, Huawei Campus, No.156 Beiqing Road	Q14, Huawei Campus, No.156 Beiqing Road
	Huawei Technologies Co., Ltd.	Huawei Technologies Co., Ltd.


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