... the module topics and objectives. Lead-in In this module, you will learn about the architecture of a Web Services-based solution. Module 2: Web Service Architectures 15 The Web Service ... asynchronous calls to a Web Service, see Module 4, “Consuming Web Services,” in Course 2524A, Developing XML Web Services Using Microsoft Visual C# .NET Beta 2. Module 2: Web Service Architectures ... diagram. Module 2: Web Service Architectures 9 """" Roles in a Web Service Architecture !The Web Service Provider!The Web Service Consumer!The Web Service...