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

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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  1. PMIPv6 inter-workingwith WiFi Access Authenticationdraft-liebsch-netext-pmip6-authiwk M. Liebsch, S.Gundavelli, P.Seite IETF83, NETEXT WG March 2012

  2. Outline • Background & Motivation • Document Objectives • WLAN trusted access • Feedback

  3. 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

  4. 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

  5. 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

  6. 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

  7. Next Steps • Reasonable scope? • Adopt as a WG document

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