The battle for the dominance in Web services has so far largely been a war of words without the clear winner yet (and not any time soon). While interoperability seems to currently be the motivation for bigger players to suspend hostilities and focus on standards adoption, the desire for domination will tempt them to weave dependencies on their products into their strategies.
to stay within the firewall for a foreseeable future, it is still unclear whether interoperability or security is the main issue in Web services adoption. As admitted by the WS-I ring leaders, IBM and Microsoft, there is still much effort outstanding for message extensibility, binary attachments, routing, correlation, guaranteed message exchange, signatures, encryption, transactions, process flow, inspection and discovery. Many other issues, such as proper security, privacy, payment collection, and the