Unifying Distributed Technologies

Many of the features in WCF have their deep roots in a number of technologies such as ASMX, Enterprise Services, .NET Remoting, MSMQ, and WSE. Though this book won't cover all these technologies, it's always good to take a sneak peek at each of these to get a better understanding of WCF.

ASMX

A web service is a component on the Web that is accessible through open standards such as SOAP and HTTP. Accessing a remote component is not a new concept. It was previously accomplished through RMI, CORBA, and DCOM. But these distributed components are based on proprietary standards or protocols. Earlier distributed technologies had two main problems:

  • Interoperability

  • Crossing firewalls

These proprietary standards cannot ...

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