1. Web Services @ Princeton? Really, XML Applications!

2. Need Automate process of: –Choosing –Ordering –Tracking –Registering New computers for: –Faculty (FCP, Faculty Computer Program) –Students (SCI, Student Computer Initiative)

3. First Steps Apple’s Web Objects –Provided order information –Machine MAC address For student computer orders Too complex to maintain (Apple)

4. Generalization Working with IBM, Dell, Apple: –Orders generate XML document: cXML (www.cxml.org) format (Apple, Dell)www.cxml.org Inhouse DTD file (IBM) –Secure POST to vendor site (Dell, IBM) Validates XML response –ftp (pgp-encrypted) to Apple Validate by checking size of file

5. Tracking Dell and IBM –Asset reports emailed –Processed by procmail Apple –XML invoice posted asynchronously

6. Vendor Web Services Almost! Filenet Web Content Management –XML services –SOAP communications between servers –Externalized for local integration BUT... Product NRFPT

7. Summary FTP instead of B2B AGP (awk, grep, and procmail) and secure HTTP PUT instead of full- blown SOAP F2F (Face To Face) instead of WSDL and UDDI