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The EAP Re-authentication Protocol (ERP) Local Domain Name DHCPv6 Option (RFC6440)

IP.com Disclosure Number: IPCOM000213505D
Original Publication Date: 2011-Dec-01
Included in the Prior Art Database: 2011-Dec-17
Document File: 12 page(s) / 10K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Zorn: AUTHOR [+3]


The EAP Re-authentication Protocol (ERP) [RFC5296] is designed to allow faster re-authentication of a mobile device that was previously authenticated by means of the Extensible Authentication Protocol [RFC3748]. Given that the local root key (e.g., a DSRK, as described in RFC 5295 [RFC5295]) is generated using the local domain name (LDN), LDN discovery is an important part of re-authentication. As described in RFC 5296 [RFC5296], the LDN to be used in ERP can be learned by the mobile device through the ERP exchange or via a lower- layer mechanism. However, no lower-layer mechanisms for LDN discovery have yet been defined.

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Internet Engineering Task Force (IETF)                           G. Zorn Request for Comments: 6440                                   Network Zen Category: Standards Track                                          Q. Wu ISSN: 2070-1721                                                  Y. Wang                                                                   Huawei                                                            December 2011

 The EAP Re-authentication Protocol (ERP) Local Domain Name DHCPv6 Option


   In order to derive a Domain-Specific Root Key (DSRK) from the    Extended Master Session Key (EMSK) generated as a side effect of an    Extensible Authentication Protocol (EAP) method, the EAP peer must    discover the name of the domain to which it is attached.

   This document specifies a Dynamic Host Configuration Protocol    Version 6 (DHCPv6) option designed to allow a DHCPv6 server to inform    clients using the EAP Re-authentication Protocol (ERP) EAP method of    the name of the local domain for ERP.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc6440.

 Zorn, et al.                 Standards Track                    [Page 1]
 RFC 6440         The ERP Local Domain Name DHCPv6 Option   December 2011

 Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Table of Contents

   1. Introduction ....................................................2    2. Terminology ....................