> My doubt essentially is even if SAML does not talk of a WSDL separately
> however, the specs show examples of SOAP messages - and there will be many
> entities trying to use SOAP binding for artifact resolution.
SOAP does not require or imply WSDL, and it is not the only way to express
the content of SOAP messages in a standard.
> If there is no standard WSDL, then there is a possibility of different
IdPs
> / SPs naming the webservice methods differently, using different
namespaces
> and so on.
There are no "methods" other than the messages defined in SAML, and the
namespaces are defined by SAML. All of that is defined in the standard.
> Let me know if I am missing something.
I think you are, yes.
-- Scott