TANGO is the project CODE name for SUN WCF And Java Interop
Sun Microsystems has launched the open source initiative called Project Tango. Windows Communications Foundation Engineers are working together with Java Web Services Engineers on the interoperability of enterprise features.
Project Tango focuses on five key functional areas of interoperability.
2) Optimizing Communication
3) Enabling Reliability
4)Enabling Atom Transactions
5) Securing Communications