Arun Gupta has pointed out a new name for the JAX-WS + Project Tango combination: Project Metro. JAX-WS is the standardized web services stack, and Project Tango is the interoperability toolkit. What is Metro?
The two main components of Metro are: JAX-WS and WSIT [for .NET 3.0]. Project Tango implements Security, Reliability and Transactions on a core layer that interoperate with Windows Communication Foundation. All the applications on Metro can be developed using NetBeans 5.5.1 and deployed on GlassFish V2.
The Metro Client and an endpoint can be deployed on GlassFish V2 supported platforms (Solaris Sparc, Solaris X86, Windows, Linux and MacOS). The .NET 3.0 Client and endpoint can be deployed on .NET 3.0 supported platforms (Windows Vista, Windows 2003 Server and Windows XP + SP2).