Web Services Experience Language Dan Gisolfi jStart Emerging Technologies, IBM SWG IBM WSXL Team OASIS WSCM Technical Committee January 2002 IBM’s Business Requirements forWSCM

Web Services Experience Language Business Objectives Reduce the cost of –developing interactive Web applications –delivering them to end users thru 3 rd parties –maintaining them to the changing requirements imposed by new business models Enable enterprises to : –Achieve an effective user experience that is appealing, efficient, and easily branded and/or aggregated by business partners –Support business flexibility thru reconfiguration to add new distribution partners and application content providers quickly to change and update applications without being dependent on business relationships. Leverage existing skills and infrastructure

Web Services Experience Language Who is the target audience? Interactive Application Providers –Creators of interactive web applications Interactive Application Integrators –Distributors of branded, enhanced or modified user experiences –Portal developers that aggregate multiple web applications into a single interactive user experience –Utility Service providers who need to reconfigure and package existing user-facing business services

Web Services Experience Language Application Integration WSXL Application WSXL Runtime WSXL Application WSXL Runtime HTTP (HTML) HTTP (SOAP) HTTP (HTML) Application ProviderApplication IntegratorUsers Travelers Check Application Branded Travelers Check Application WSXL Data WSXL Pres WSXL Control WSXL Pres Business Requirements Ease of change: Application Providers need to extend existing software assets to the web with minimal development, deployment and maintenance cost. Ease of adaptation: Application Integrators require access to value-added content with reduced acquisition costs

Web Services Experience Language Seamless Tight Integration StockPlot Graph Generator WSXL Application WSXL Runtime HTTP (SOAP) HTTP (HTML) Application ProviderApplication IntegratorUsers StockPlot Data Input WSXL Application WSXL Runtime WSXL Data WSXL Pres WSXL Control WSXL Data WSXL Pres WSXL Control Business Requirements Ease of aggregation: Application Integrators seek to group several applications into a single user experience, such as a portal. Ease of integration: Application Integrators need to create a new presentations by seamlessly combining several independently created applications. Interoperability: Application providers and integrators seek to create new value-added interactive user experiences from a variety of business component services without increasing development costs or adding interoperability risks.

Web Services Experience Language Leverage the Emerging Web Services Technology Stack Internet, intranetNetwork HTTP, HTTPR, SMTP, MQ Transport SOAP / XML ProtocolMessage / Protocol Transactions / Reliability / Routing Security / PrivacyQuality of service Management WSDLService Descriptions WSFLWorkflow WSXLWeb Applications UDDIPublishing & discovery TPAService negotiation WSXL is built on widely accepted established and emerging open standards, and is designed to be independent of execution platform, browser, and presentation markup.