16
Request/Response
•Typically, a service provider issues a request to an identity provider, and the identity provider responds (with an assertion). •Scenario: A user attempts to access a resource at a service provider's website.  The service provider must determine whether to allow it.  So, without the user knowing, the service provider requests information from an identity provider.  The identity provider responds with a SAML assertion.  Based upon the assertion the user is or isn't allowed to access the item.
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Identity Provider
Service
Provider
request
response
1
2
3