Updated: July 13, 2020 (October 6, 2003)
Charts & IllustrationsStatus of Major Web Services Specifications
| Specification | Function | Status |
| WS-Security | Basic building block for secure Web services, supports signed and encrypted messages | Supported by WSE |
| WS-Trust | Allows Web services to agree on which services they trust to issue security tokens | Supported by WSE, workshop to be determined |
| WS-SecureConversation | Efficiently supports secure, long-duration, multimessage conversations between Web services | Supported by WSE, workshop to be determined |
| WS-Federation | Provides federated security among Web services | No toolkit yet, workshop to be determined |
| WS-ReliableMessaging | Ensures reliable delivery of messages | Workshop scheduled for Oct. 2003 |
| WS-Coordination | Provides general framework for transactions | No toolkit yet |
| WS-AtomicTransaction | Specific support for two-phase commit | No toolkit yet |
| WS-BusinessActivity | Support for long-running transaction protocols | No toolkit yet |
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