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EAP Attributes for Wi-Fi - EPC Integration
draft-ietf-netext-wifi-epc-eap-attributes-12

Document type: Active Internet-Draft (netext WG)
Document stream: IETF
Last updated: 2014-09-15
Intended RFC status: Informational
Other versions: plain text, pdf, html

IETF State: Submitted to IESG for Publication
Consensus: Unknown
Document shepherd: Basavaraj Patil
Shepherd Write-Up: Last changed 2014-07-28

IESG State: IESG Evaluation::AD Followup
IANA Action State: None
(Has 3 DISCUSSes. Has enough positions to pass once DISCUSS positions are resolved.)
Responsible AD: Brian Haberman
Send notices to: netext-chairs@tools.ietf.org, draft-ietf-netext-wifi-epc-eap-attributes@tools.ietf.org

Netext                                                    Ravi. Valmikam
Internet-Draft                                              Unaffiliated
Intended status: Informational                            Rajeev. Koodli
Expires: March 19, 2015                                            Intel
                                                      September 15, 2014

               EAP Attributes for Wi-Fi - EPC Integration
              draft-ietf-netext-wifi-epc-eap-attributes-12

Abstract

   With Wi-Fi emerging as a trusted access network for service
   providers, it has become important to provide functions commonly
   available in 3G and 4G networks in Wi-Fi access networks as well.
   Such functions include Access Point Name (APN) Selection, multiple
   Packet Data Network (PDN) connections, and seamless mobility between
   Wi-Fi and 3G/4G networks.

   The EAP/AKA (and EAP/AKA') protocol is required for mobile devices to
   access the mobile Evolved Packet Core (EPC) via trusted Wi-Fi
   networks.  This document defines a few new EAP attributes to enable
   the above-mentioned functions in trusted Wi-Fi access networks.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on March 19, 2015.

Copyright Notice

   Copyright (c) 2014 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

Valmikam & Koodli        Expires March 19, 2015                 [Page 1]
Internet-Draft EAP Attributes for Wi-Fi - EPC Integration September 2014

   (http://trustee.ietf.org/license-info) in effect on the date of
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  APN Selection . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Multiple APN Connectivity . . . . . . . . . . . . . . . .   4
     1.3.  Wi-Fi to E-UTRAN mobility . . . . . . . . . . . . . . . .   4
   2.  Reference Architecture and Terminology  . . . . . . . . . . .   4
   3.  Protocol Overview . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  Brief Introduction to EAP . . . . . . . . . . . . . . . .   4
     3.2.  IEEE 802.11 Authentication using EAP over 802.1X  . . . .   5
   4.  New EAP Attributes  . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  APN Selection . . . . . . . . . . . . . . . . . . . . . .   7
     4.2.  Connectivity Type . . . . . . . . . . . . . . . . . . . .   7
     4.3.  Wi-Fi to UTRAN/E-UTRAN Mobility . . . . . . . . . . . . .   7
     4.4.  MN Serial ID  . . . . . . . . . . . . . . . . . . . . . .   8
   5.  Attribute Extensions  . . . . . . . . . . . . . . . . . . . .   8
     5.1.  AT_VIRTUAL_NETWORK_ID . . . . . . . . . . . . . . . . . .   8
     5.2.  AT_VIRTUAL_NETWORK_REQ  . . . . . . . . . . . . . . . . .   9
     5.3.  AT_CONNECTIVITY_TYPE  . . . . . . . . . . . . . . . . . .  10
     5.4.  AT_HANDOVER_INDICATION  . . . . . . . . . . . . . . . . .  11
     5.5.  AT_HANDOVER_SESSION_ID  . . . . . . . . . . . . . . . . .  11
     5.6.  AT_MN_SERIAL_ID . . . . . . . . . . . . . . . . . . . . .  12
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
   8.  Acknowledgment  . . . . . . . . . . . . . . . . . . . . . . .  15
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  15
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  15
   Appendix A.  Change Log . . . . . . . . . . . . . . . . . . . . .  17
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   Wi-Fi has emerged as a trusted access technology for mobile service

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