1. Commonwealth of Massachusetts Executive Office of Health and Human Services When Legacy Meets SOA: Properly Migrating Natural Applications to SOA The MassHealth IT Vision 14 th Pasquale Iocola Integration Architect Philadelphia, Oct 20 2006 Kenneth Maxwell Director, MassHealth Eligibility Development

2. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 2 Natural Conference Oct 20, 2006 EOHHS Architectural Vision Services Integration Services Infrastructure Services Governance

3. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 3 Natural Conference Oct 20, 2006 SOA Roadmap Number of Services Enterprise Integration awareness Services Consolidation SOA Fulfillment Business Services Orchestration HHS Interface Census Architectural Reviews Architectural Council Cross Agency Web Wrapper P&S Architecture Architectural Reviews and Governance Cross Agency Web Services POCs UDDI Federation Application Composition S O A C O M P L I A N C E H H H WIDE Services Deployment Silos and not integrated Components based, not integrated Silos and Integrated Integration An “Integration Architecture” is critical to the Target IT Vision, not only to improve technical capabilities and performance, but to enable the new HHS to achieve its mission We are here

4. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 4 Natural Conference Oct 20, 2006 “Service Enablement” existing software assets The Enterprise Service Bus allows information sharing via “services”. This is platform neutral, centrally monitored and minimizes the impact on existing applications. The use of XML Appliances allows for the offloading of "expensive" XML processing, like XSD validation or XSLT processing, to a hardware device.

5. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 5 Natural Conference Oct 20, 2006 HHS Virtual Gateway Infrastructure Architecture

6. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 6 Natural Conference Oct 20, 2006 Overview XMLGW Policies

7. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 7 Natural Conference Oct 20, 2006 Historical Use Com-plete Http Server Customization of COM-PLETE HTTP Services Enhanced functionalities compared to SYSWEB Initially used to return HTML for departmental (intranet) use Major limitations Security policy does not Integrate with Shared Security Service Lack of compliance with Enterprise Standards for Web Portal

8. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 8 Natural Conference Oct 20, 2006 MA21 Web Services vision MA21 as Web Services producer Return XML Payloads instead of HTML Pages Orchestrate Business functionalities in Web Services Exposes Web Services on Commonwealth of Massachusetts Integration backbone Leverages on Shared Services, like Shared Security Services and Enterprise Service Bus Blends the best of two worlds - the aesthetics and usability of Web Services and the power of the work-horse engine of the mainframe.

9. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 9 Natural Conference Oct 20, 2006 Mainframe Online Notice Display / Print Workflow 198675432

10. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 10 Natural Conference Oct 20, 2006 Business Case: Eligibility Notices

11. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 11 Natural Conference Oct 20, 2006 From Mainframe “Screens” to Web Services wrappers

12. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 12 Natural Conference Oct 20, 2006 Web Services Notices Workflow

13. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 13 Natural Conference Oct 20, 2006 Web Services Legacy Integration

14. Properly Migrating Natural Applications to SOA EOHHS Technology and Architecture 14 Natural Conference Oct 20, 2006 Predictions “I think there is a world market for maybe five computers.” T. Watson, Chairman IBM 1943 “There is no reason anybody would want a computer in their home” K. Olsen, founder Digital 1977 “I predict the Internet will go spectacularly supernova and in 1996 catastrophically collapse” B. Metcalfe, founder 3COM 1995 “Gartner predicts that by 2006, more than 60 percent of enterprises will consider SOA a guiding principle in designing their mission-critical applications” Enterprise Architect, May Issue 2004