WSDL Version 2.0
- Part 1, Core language: abstract model of WSDL
- Part 2, Message patterns: define the sequence, the
cardinality, and the senders/receivers of abstract messages
- Part 3, Bindings: provide a set of protocols for WSDL 2.0:
SOAP 1.2 over HTTP 1.1, and HTTP 1.1.