In Use Case 4, smcompany.com, ahealthco.com, and discounts.com all participate in an extended federated network. This case is an extension of the previous use cases.
In this network, not all customers of ahealthco.com work at smcompany.com. Ahealthco.com provides discounts only to its customers by establishing a relationship between themselves and discounts.com. Ahealthco.com maintains user identities for every customer so ahealthco.com manages local credentials, such as a password for each user. By managing local credentials, ahealthco.com can authenticate users and can provide single sign-on access to its partners.
In this extended network, the users access each website differently:
User2 authenticates at the ahealthco.com website and clicks a link to access discounts at discounts.com, without logging in to the discounts.com website. The discounts the site presents to User2 reflect the business arrangement between ahealthco.com and discounts.com. Being employee of smcompany.com, User2 can also click a link at ahealthco.com and access the employee portal at smcompany.com without logging in to website.
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