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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

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

M. Liebsch, S.Gundavelli, P.Seite

IETF83, NETEXT WG

March 2012


Outline
Outline

  • Background & Motivation

  • Document Objectives

  • WLAN trusted access

  • Feedback


Background motivation
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
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
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
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
Next Steps

  • Reasonable scope?

  • Adopt as a WG document


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