draft-ietf-radext-delegated-prefix-04.txt   draft-ietf-radext-delegated-prefix-05.txt 
Network Working Group J. Salowey Network Working Group J. Salowey
Internet-Draft R. Droms Internet-Draft R. Droms
Intended status: Standards Track Cisco Systems, Inc. Intended status: Standards Track Cisco Systems, Inc.
Expires: April 13, 2007 October 10, 2006 Expires: April 19, 2007 October 16, 2006
RADIUS Delegated-IPv6-Prefix Attribute RADIUS Delegated-IPv6-Prefix Attribute
draft-ietf-radext-delegated-prefix-04.txt draft-ietf-radext-delegated-prefix-05.txt
Status of this Memo Status of this Memo
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This Internet-Draft will expire on April 13, 2007. This Internet-Draft will expire on April 19, 2007.
Copyright Notice Copyright Notice
Copyright (C) The Internet Society (2006). Copyright (C) The Internet Society (2006).
Abstract Abstract
This document defines a RADIUS (Remote Authentication Dial In User This document defines a RADIUS (Remote Authentication Dial In User
Service) attribute that carries an IPv6 prefix that is to be Service) attribute that carries an IPv6 prefix that is to be
delegated to the user. This attribute is usable within either RADIUS delegated to the user. This attribute is usable within either RADIUS
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This document defines the Delegated-IPv6-Prefix attribute as a RADIUS This document defines the Delegated-IPv6-Prefix attribute as a RADIUS
[1] attribute that carries an IPv6 prefix to be delegated to the [1] attribute that carries an IPv6 prefix to be delegated to the
user, for use in the user's network. For example, the prefix in a user, for use in the user's network. For example, the prefix in a
Delegated-IPv6-Prefix attribute can be delegated to another node Delegated-IPv6-Prefix attribute can be delegated to another node
through DHCP Prefix Delegation [2]. through DHCP Prefix Delegation [2].
The Delegated-IPv6-Prefix attribute can be used in DHCP Prefix The Delegated-IPv6-Prefix attribute can be used in DHCP Prefix
Delegation between the delegating router and a RADIUS server, as Delegation between the delegating router and a RADIUS server, as
illustrated in the following message sequence. illustrated in the following message sequence.
Requeting Router Delegating Router RADIUS Server Requesting Router Delegating Router RADIUS Server
| | | | | |
|-Solicit------------>| | |-Solicit------------>| |
| |-Request------------------------>| | |-Request------------------------>|
| |<--Accept(Delegated-IPv6-Prefix)-| | |<--Accept(Delegated-IPv6-Prefix)-|
|<--Advertise(Prefix)-| | |<--Advertise(Prefix)-| |
|-Request(Prefix)---->| | |-Request(Prefix)---->| |
|<--Reply(Prefix)-----| | |<--Reply(Prefix)-----| |
| | | | | |
DHCP PD RADIUS DHCP PD RADIUS
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Diameter to AA-Request [6] or Diameter-EAP-Request [7]. Diameter to AA-Request [6] or Diameter-EAP-Request [7].
The text in this specification describing the applicability of the The text in this specification describing the applicability of the
Delegated-IPv6-Prefix attribute for RADIUS Access-Accept applies in Delegated-IPv6-Prefix attribute for RADIUS Access-Accept applies in
Diameter to AA-Answer or Diameter-EAP-Answer that indicates success. Diameter to AA-Answer or Diameter-EAP-Answer that indicates success.
The text in this specification describing the applicability of the The text in this specification describing the applicability of the
Delegated-IPv6-Prefix attribute for RADIUS Accounting-Request applies Delegated-IPv6-Prefix attribute for RADIUS Accounting-Request applies
to Diameter Accounting-Request [6] as well. to Diameter Accounting-Request [6] as well.
The AVP flag rules [5] for the Delegate-IPv6-Prefix attribute are: The AVP flag rules [5] for the Delegated-IPv6-Prefix attribute are:
+---------------------+ +---------------------+
| AVP Flag rules | | AVP Flag rules |
|----+-----+----+-----|----+ |----+-----+----+-----|----+
AVP | | |SHLD| MUST| | AVP | | |SHLD| MUST| |
Attribute Name Code Value Type |MUST| MAY | NOT| NOT|Encr| Attribute Name Code Value Type |MUST| MAY | NOT| NOT|Encr|
---------------------------------|----+-----+----+-----|----| ---------------------------------|----+-----+----+-----|----|
Delegated-IPv6- TBD OctetString| M | P | | V | Y | Delegated-IPv6- TBD OctetString| M | P | | V | Y |
Prefix | | | | | | Prefix | | | | | |
---------------------------------|----+-----+----+-----|----| ---------------------------------|----+-----+----+-----|----|
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flag rules for this attribute. flag rules for this attribute.
o Edited Section 1, to clarify the relationship between the o Edited Section 1, to clarify the relationship between the
Delegated-IPv6-Prefix and Framed-IPv6-Prefix attributes. Delegated-IPv6-Prefix and Framed-IPv6-Prefix attributes.
o Edited table of attributes and moved to a separate section. o Edited table of attributes and moved to a separate section.
Revision -04 includes the following changes: Revision -04 includes the following changes:
o Editorial changes in the AVP flag rules table o Editorial changes in the AVP flag rules table
o Editorial changes in the description of the relationship between o Editorial changes in the description of the relationship between
the Delegated-IPv6-Prefix and Framed-IPv6-Prefix attributes (last the Delegated-IPv6-Prefix and Framed-IPv6-Prefix attributes (last
paragraph of section 1) paragraph of section 1)
o Editorical changes in the first paragraph of section 1 to clarify o Editorial changes in the first paragraph of section 1 to clarify
that this document defines a new attribute not already defined in that this document defines a new attribute not already defined in
RFC 2865 RFC 2865
o Added a text and a diagram to section 1 to illustrate the use of o Added a text and a diagram to section 1 to illustrate the use of
the Delegated-IPv6-Prefix attribute the Delegated-IPv6-Prefix attribute
Revision -05 includes the following changes:
o Corrected the spelling of "Reqesting" to "Requesting" in section
1, Introduction
o Corrected the spelling of "Delegate-IPv6-Prefix" to "Delegated-
IPv6-Prefix" in section 5, Diameter Consideration
9. References 9. References
9.1. Normative References 9.1. Normative References
[1] Rigney, C., Willens, S., Rubens, A., and W. Simpson, "Remote [1] Rigney, C., Willens, S., Rubens, A., and W. Simpson, "Remote
Authentication Dial In User Service (RADIUS)", RFC 2865, Authentication Dial In User Service (RADIUS)", RFC 2865,
June 2000. June 2000.
[2] Troan, O. and R. Droms, "IPv6 Prefix Options for Dynamic Host [2] Troan, O. and R. Droms, "IPv6 Prefix Options for Dynamic Host
Configuration Protocol (DHCP) version 6", RFC 3633, Configuration Protocol (DHCP) version 6", RFC 3633,
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