• 1st Phase – Simple Web Services

Ÿ  Consumer-focused, stateless, SOAP over HTTP/S

  • 2nd Phase – EAI Web Services

Ÿ  Deployed within organization boundaries to enable internal integration

  • 3rd Phase – Business Web Services

Ÿ  Deployed on extranets to enable business transactions with trading partners, suppliers, and customers, ebXML & UBL