4
What is SAML?
•SAML is an XML vocabulary.
–This means that it is a collection of XML elements, and each element has a clear definition of what it means, how it should be processed by an application, and the value each element may contain.
service
provider
Identity
provider
"What authentication information do you have for  this ___ subject?"
SAML elements
<AuthnRequest>
    <Subject >___</Subject>
</AuthnRequest>