3. Environmental changes enable a new approach to IT U.S. software sales in billions of dollars Source: INPUT SOAP 1.0 WS-I founded SAP WS J2ME Web Services ESB Apache SOAP MS SOAP IBM Web Services Apache Axis JAX-RPC Oracle WS Sun WS WS (J2EE & .NET) WS-* starts exploding WS-* OASIS SOA Reference Model OASIS SOA Blueprints SAP Netweaver Oracle Fusion JAX-WS MS Indigo BPEL BizTalk 2004 Oracle BPEL WBI-SF WS-Policy and WS-Security 2004 2005 2003 2002 2001 2000 1999 Yesterday Today Tomorrow
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6. SOA enables a similar approach for IT Business Service Architecture IT Landscape Business goals and activities are reified in a service architecture The service architecture acts as a planning framework