15.3. Discovery

Discovery (Disco) makes it possible for clients to discover web services. The special XML document that usually takes the form of a file with a .disco extension contains references to such resources as WSDL, documents, and links for a particular web service. A .disco file (also called “a discovery file”) is placed at the root of a virtual directory that contains other web service-related files. Figure 15.2 shows the directory

structure for web services.

Figure 15.2. The directory structure for web services
\Inetpub 
 \wwwroot 
  \MyWebService 
    WSDemo.asmx 
    web.comfig 
    \bin

A .disco file has the following structure:

 <?xml version="1.0" ?> <disco:discovery xmlns:disco="http://schemas.xmlsoap.org/disco/"> <!– References –> </disco:discovery> ...

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