Pmipv6 inter working with wifi access authentication draft liebsch netext pmip6 authiwk
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PMIPv6 inter-working with WiFi Access Authentication draft-liebsch-netext-pmip6-authiwk PowerPoint PPT Presentation


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PMIPv6 inter-working with WiFi Access Authentication draft-liebsch-netext-pmip6-authiwk. M. Liebsch, S.Gundavelli, P.Seite IETF83, NETEXT WG March 2012. Outline. Background & Motivation Document Objectives WLAN trusted access Feedback. Background & Motivation.

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PMIPv6 inter-working with WiFi Access Authentication draft-liebsch-netext-pmip6-authiwk

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PMIPv6 inter-workingwith WiFi Access Authenticationdraft-liebsch-netext-pmip6-authiwk

M. Liebsch, S.Gundavelli, P.Seite

IETF83, NETEXT WG

March 2012


Outline

  • Background & Motivation

  • Document Objectives

  • WLAN trusted access

  • Feedback


Background & Motivation

  • RFC5213 assumes completed authentication procedure before registration

    • AuthN can provide trigger for PMIPv6 operation after completion

    • Option to derive MN-Identifier from access authentication

      • Contraints: Validity >= duration of mobility session, Scope >= PMIPv6 domain

    • Approach/Solution not documented in the IETF

  • WLAN as well accepted access technology

    • Assumed untrusted (HotSpot, ...)

  • Enable WLAN trusted access

    • 3GPP recommendations for security and for PMIP operation using non-3GPP radio access

    • WiMAX Forum specification for WiFi inter-working


Document Objectives

  • General BCP for AuthN inter-working with PMIPv6

  • Advanced documentation

    • Include other SDOs‘ deployment and recommendations to use a particular authentication method

    • Include inter-working between WiFi AuthN and operators‘ AAA

    • Include considerations related Web-Authentication

  • Identification of protocol gaps and need for IETF specification


WLAN-EPC Integrated Architecture

  • Identifies the primary protocol interfaces in the SP WiFI architecture

AAA

Proxy

PCRF

Web

Portal

AAA

AAA

MAG

LMA

AP

WLC

CAPWAP

L2 802.1Q

PMIPv6


Enable WLAN trusted access

  • WiFi Access AuthN integral part of the attach sequence

  • PMIP tunnel between WLAN access and LMA

  • Link-layer security between MN and WiFi AP

  • AuthN inter-working with PMIPv6 and mobile operator AAA

AuthN IWK

AuthN – PMIP IWK

AAA

RADIUS

PolicyCtrl

MN

Ctrl /MAG

WiFi AP

LMA

PMIP tunnel

L2 encryption

Trusted Operator Networks


Next Steps

  • Reasonable scope?

  • Adopt as a WG document


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