1. Business Domain
    1. Business Domain Specification Extensions
      1. Various
  2. Management
    1. Distributed Management
      1. WSDM
      2. WS-Manegeability
    2. Provisioning
      1. WS-Provioning
  3. Security
    1. Security
      1. WS-Security
    2. Security Policy
      1. WS-SecurityPolicy
    3. Secure Conversation
      1. WS-SecureConversation
    4. Trusted-Message
      1. WS-Trust
    5. Federated Identity
      1. WS-Fedaration
  4. Portal and presentation
    1. Portal and Presentation
      1. WS-RP
  5. Transaction and Business Process
    1. Asynchronous Services
      1. ASAP
    2. Transaction
      1. WS-Transaction
      2. WS-Coordination
      3. WS-CAF
    3. Orchestration
      1. BPEL4WS
      2. WS-CDL
  6. Messaging
    1. Events and Notification
      1. WS-Eventing
      2. WS-Notification
    2. Multiple Message sessions
      1. WS-Enumeration
      2. WS-Transfer
    3. Routing/Addressing
      1. WS-Addressing
      2. WS-MessageDelivery
    4. Reliable Messaging
      1. WS-ReliableMessaging
      2. WS-Reliability
    5. Message Packaging
      1. SOAP
      2. MTOM
  7. Metadata
    1. Publication and Discovery
      1. UDDI
      2. WSIL
    2. Policy
      1. WS-Policy
      2. WS-PolicyAssertions
    3. Base Service and Message Description
      1. WSDL
    4. Metadata Retrieval
      1. WS-MetadataExchange