Conversations and Activities

• Concept of &#-109;transactions&#-108; is a key part of application processing

• Web services require incremental QoS for &#-109;transactions&#-108;

  • An activity service which allows one to define the operational context of one or a series of requests, controlling duration and participants
    • See OMG Extended Structuring Mechanism (Activity Service JSR)
  • A conversation service which provides interaction styles for Web services
    • Request atomicity
    • Conversations
    • &#-123;