If only SP (or IDP) uses Shibboleth in its SAML implementation, can the systems still communicate?

I was reading about Shibboleth’s metadata — https://wiki.shibboleth.net/confluence/display/CONCEPT/Metadata#Metadata-Use(andnon-use)ofMetadata , and how it’s used to identify IDPs and service providers involved in the SAML f… Continue reading If only SP (or IDP) uses Shibboleth in its SAML implementation, can the systems still communicate?