A history of Web services: ... to a full-fledged infrastructure
  - September 2000: WSDL 1.0 is published
 
  - March 2001: WSDL 1.1 is
    submitted to W3C
 
  - April 2001: W3C organizes a workshop on Web services
 
  - 2001: proposals from vendors (UDDI, security extensions, flow
    languages, ...)
 
  - January 2002: Creation of the Web
    Services Activity with 2 new Working Groups:
    
  
 
  - 2002: more proposals from vendors (reliability, choreography, ...)
 
  - ...