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Identity Providers
An identity provider is a trusted provider that lets
you use single sign-on to access other websites. A service provider is a website
that hosts applications. You can enable Salesforce
as an identity provider and define one or more service providers. Your users can then access
other applications directly from Salesforce using
single sign-on. Single sign-on can be a great help to your users: instead of having to
remember many passwords, they only have to remember one. Plus, the applications can be added
as tabs to your Salesforce organization, which
means users don’t have to switch between programs.
For more information, see “Identity Providers and Service Providers” in the Salesforce online help.