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The Identity Provider Selection WG

This document explores the evolution of authentication from a traditional model involving a strong relationship between a single Relying Party (RP) and Identity Provider (IdP) to a more complex framework. As RPs manage an increasing number of IdPs, the selection of the appropriate IdP becomes vital. The introduction of the Identity Provider Selection Agent (ISA) allows RPs to efficiently address multiple IdPs while accommodating user preferences. The ISA also provides a structured approach to criteria expression, IdP discovery, and user interface guidelines, enhancing the overall user experience.

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The Identity Provider Selection WG

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  1. The Identity Provider Selection WG How to solve the evolution from 3 to 4 authentication actors

  2. The Traditional Authentication Tryptic Identity Provider Relying Party • A strong relationship exists between one RP and one IdP • The RP adresses one IdP • The user has few IdPs

  3. The Actual Authentication Tryptic: the trends Identity Providers Relying Party • But the RP sees more and more Identity Providers to address… • And has to manage an increasing diversity of IdPs and their respective protocols…  The selection of the IdP for a user becomes crucial

  4. The Next Authentication Quatuor Relying Party Identity Provider ISA* • RP want to address many IdPs to increase their audience • The ISA is able to reconcile the 3 actors and their respective expectations * ISA: Identity Provider Selection Agent

  5. The IdP Selection WorkGroup Aims at Defining: • Possibility for the RP to delegate the selection of the user's IDP to an ISA and express some criteria to be considered for that selection process. • Discovery of the user's preferred IDP(s) by ISA. • Possibility for the ISA to obtain user's IDP(s) capabilities as well as other data (metadata). • GUI and UX guidelines for SP and ISA.

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