Virtual Enterprises
VE Requirements / Claims
Required VE Principles
WSDL is important
UDDI/WSFL are Inadequate
Extending WSxL
Web Service Integration
Travel Example: Booking a Flight
Puchasing Example
A Bad Distinction
First IBM Design - WSFL
History of Developments
BPELS is Winning
WSCI is more P2P
ebXML Addresses More Coordination
Issues
All Assume a Static Process Model
All Violate the VE Principles
What Issues are Addressed by Such
Systems?
Flexibility and Robustness
AI Planning offers an Alternative
Simple Examples
When No One Web Service Works
Detail on Circle Example
Solving I
Solving II
Solving III
But Wait!
What Happens in Practice
Existing Public Web Services Don't Do
Anything
The Single UDDI Service That Does
Something
The Opportunities