draft-ietf-softwire-map-radius-21.txt   draft-ietf-softwire-map-radius-22.txt 
Softwire S. Jiang, Ed. Softwire S. Jiang, Ed.
Internet-Draft Huawei Technologies Co., Ltd Internet-Draft Huawei Technologies Co., Ltd
Intended status: Standards Track Y. Fu, Ed. Intended status: Standards Track Y. Fu, Ed.
Expires: September 12, 2019 CNNIC Expires: October 7, 2019 CNNIC
B. Liu B. Liu
Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd
P. Deacon P. Deacon
IEA Software, Inc. IEA Software, Inc.
C. Xie C. Xie
China Telecom China Telecom
T. Li T. Li
Tsinghua University Tsinghua University
M. Boucadair, Ed. M. Boucadair, Ed.
Orange Orange
March 11, 2019 April 5, 2019
RADIUS Attributes for Address plus Port (A+P) based Softwire Mechanisms RADIUS Attributes for Address plus Port (A+P) based Softwire Mechanisms
draft-ietf-softwire-map-radius-21 draft-ietf-softwire-map-radius-22
Abstract Abstract
IPv4-over-IPv6 transition mechanisms provide IPv4 connectivity IPv4-over-IPv6 transition mechanisms provide IPv4 connectivity
services over IPv6 native networks during the IPv4/IPv6 co-existence services over IPv6 native networks during the IPv4/IPv6 co-existence
period. DHCPv6 options have been defined for configuring clients for period. DHCPv6 options have been defined for configuring clients for
Lightweight 4over6, Mapping of Address and Port with Encapsulation, Lightweight 4over6, Mapping of Address and Port with Encapsulation,
and Mapping of Address and Port using Translation unicast softwire and Mapping of Address and Port using Translation unicast softwire
mechanisms, and also multicast softwires. However, in many networks, mechanisms, and also multicast softwires. However, in many networks,
configuration information is stored in an Authentication, configuration information is stored in an Authentication,
skipping to change at page 2, line 10 skipping to change at page 2, line 10
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 https://datatracker.ietf.org/drafts/current/. Drafts is at https://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 September 12, 2019. This Internet-Draft will expire on October 7, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 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
(https://trustee.ietf.org/license-info) in effect on the date of (https://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
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identifier: 241.Extended-Type (TBD5). identifier: 241.Extended-Type (TBD5).
3.2.1. Softwire46-Option-Code 3.2.1. Softwire46-Option-Code
This attribute is used to convey an option code assigned to a This attribute is used to convey an option code assigned to a
Softwire64 mechanism [RFC8026]. This attribute is encoded 32 bits as Softwire64 mechanism [RFC8026]. This attribute is encoded 32 bits as
per the recommendation in Appendix A.2.1 of [RFC6158]. per the recommendation in Appendix A.2.1 of [RFC6158].
The structure of Softwire46-Option-Code is shown below: The structure of Softwire46-Option-Code is shown below:
TLV-Type TLV-Type
18 18
TLV-Length TLV-Length
6 octets 6 octets
Data Type Data Type
The attribute Softwire46-Option-Code is of type integer (Section 3.1 The attribute Softwire46-Option-Code is of type integer
of [RFC8044]). (Section 3.1 of [RFC8044]).
TLV-Value TLV-Value
A 32-bit IANA-registered option code representing a Softwire46 A 32-bit IANA-registered option code representing a Softwire46
mechanism. The codes and their corresponding Softwire46 mechanism. The codes and their corresponding Softwire46
mechanisms are listed in Section 7.3. mechanisms are listed in Section 7.3.
3.3. Softwire46-Multicast Attribute 3.3. Softwire46-Multicast Attribute
The Softwire46-Multicast Attribute conveys the IPv6 prefixes to be The Softwire46-Multicast Attribute conveys the IPv6 prefixes to be
used to synthesize multicast and unicast IPv4-embedded IPv6 addresses used to synthesize multicast and unicast IPv4-embedded IPv6 addresses
as per [RFC8114]. This attribute is of type "tlv" and contains as per [RFC8114]. This attribute is of type "tlv" and contains
additional TLVs. The following requirements apply: additional TLVs. The following requirements apply:
The BNG SHALL use the IPv6 prefixes returned in the RADIUS The BNG SHALL use the IPv6 prefixes returned in the RADIUS
Softwire46-Multicast Attribute to populate the DHCPv6 PREFIX64 Softwire46-Multicast Attribute to populate the DHCPv6 PREFIX64
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