1. Method for supporting management and exchange of distributed data of a user or an entity, in particular user profile information data, characterized in that a protocol is provided that employs SAML (Security Assertion Markup Language) as bearer protocol in such a way that SAML messages function as containers for DST (Data Service Template) or DST-like messages in order to compose SAML DST messages, wherein said DST or DST-like messages include data processing information, and wherein for said DST or DST-like messages unified protocol namespaces are defined as the protocol specific namespaces.