1.3. How Metro Relates to .NET Windows Communication Foundation (WCF)

Web services interoperability is an initiative of Sun and Microsoft. We test and deliver products to market that interoperate across different platforms.

Metro is the product of Sun’s web services interoperability initiative. Windows Communication Foundation (WCF) in .NET is Microsoft’s unified programming model for building connected systems. WCF, which is available as part of the .NET Framework 3.x product, includes application programming interfaces (APIs) for building secure, reliable, transacted web services that interoperate with non-Microsoft platforms.

Sun Microsystems and Microsoft jointly test Metro against WCF to ensure that Sun web service clients (consumers) and web services (producers) do in fact interoperate with WCF web services applications and vice versa. This testing ensures that the following interoperability goals are realized:

  • Metro web services clients can access and consume WCF web services.
  • WCF web services clients can access and consume Metro web services.

Sun provides Metro on the Java platform and Microsoft provides WCF on the .NET 3.0 and .NET 3.5 platforms. The sections that follow describe the web services specifications implemented by Sun Microsystems in Web Services Interoperability Technologies (WSIT) and provide high-level descriptions of how each WSIT technology works.

Because Metro-based clients and services are interoperable, you can gain the benefits of Metro without using WCF.

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