Over the past couple of years, the Simple Object Access Protocol (SOAP) has taken off at rocket speed. A solid understanding of SOAP concepts has become essential for any strong software professional, ...

The development of Web services depends on several protocols. SOAP over HTTP is the messaging protocol predominantly used at the present time, and synchronous RPC is the predominant messaging pattern.

Most aggregators scan for changes once an hour, but in some situations we want to know immediately when a channel has changed. For example, we include RSS Boxes on many of our sites. When an editor ...