1. Jim Farmer As presented at the Common Solutions Group Meeting May 9, 2002 Chicago, Illinois Web Services: A Perspective

2. JA-SIG Workshop Series Web Services defined An information technology architecture for the exchange of business messages using open- standards.

3. JA-SIG Workshop Series The business case Originally, the exchange of data with others. Now, integration between disparate application, disparate computer systems, disparate operating systems, disparate programming languages—the Enterprise Application Integration EAI bus. ___________________________________________ ”Getting access to stove-piped data is the primary reason for implementing Web services.” Uttam Nasrsu GIGA Information Group At the FSA CIO Update Conference Arlington, Virginia, May 8, 2002

4. JA-SIG Workshop Series EDI and Web Services compared EDIWeb Services Network Topology Hub and spoke Network “cloud” Processing cycle Over night batch Near instantaneous Data representation PositionalTagged Response to change High maintenance Lower maintenance

5. JA-SIG Workshop Series The standards DataXML ValidationSchema TransportSOAP (real-time) SMTP (batch) SecuritySAML DescriptionWSDL DirectoryUDDI TransformationXSLT Note: Message content is not defined by any of these standards.

6. JA-SIG Workshop Series Industry content standards IndustryStandards Financial Services Financial Reporting ebXML compliant IFX XBRL Student loans Financial aid CommonLine XML Common Record Human ResourcesHRML, HumanML Academic RecordsPESC and California Community Colleges LibraryIn discussion

7. JA-SIG Workshop Series In higher education Digital library search and retrieval (Columbia, Cornell) Transcripts (California Community Colleges, Florida, Arizona, Ohio) Student Aid (NCHELP, U.S. Department of Education) Security (Internet 2 Shibboleth) Portals (JA-SIG)

8. JA-SIG Workshop Series Process content standards FunctionStandard Work flowWSFL and WfML Portal SupportWSRP PresentationWSUI Security Assertions Security Access Control SAML SACML

9. JA-SIG Workshop Series Why XML and SOAP? “[XML and SOAP] will become a widely implemented ‘standard’ because they are simple.” Barry Walsh University of Indiana at the FSA CIO Update Conference Arlington, Virginia May 8, 2002

10. JA-SIG Workshop Series Typical SOAP implementation Access Provider Data Provider HTML over HTTP SOAP over HTTPS CollegeTarget

11. JA-SIG Workshop Series Meteor prototype model Web Services HTML Meteor XML Student Access Provider Data Provider Student Access Provider Data Provider

12. JA-SIG Workshop Series Meteor Channel in the uPortal

13. JA-SIG Workshop Series Authentication and authorization Access Provider Data Provider Login & Password TLS Authentication SAML Assertion CollegeTarget ebXML Security Profile 3 Non-persistent confidentiality and non-persistent authentication

14. JA-SIG Workshop Series Building web services Web services architecture overview Web service requestor UDDI Service find look up web service Web service provider bind publish Register Web Service (at development time) Retrieve WSDL Definition 4 1 3 2 Call Web Service WSDL Document call

15. The End Jim Farmer instructional media + magic, inc. jxf@immagic.com