After the initial development of Mopbot using phidgets I was having lot of reliability issues. Specially got PhidgetException about “Phidget not physically attached" or sometimes the motors got stuck because the program could not reset them. I also saw huge difference between running in debug mode...

In this scenario we have a .NET windows application accessing a .NET 2.0 ASMX Web Service, lets look at how we can upgrade the web service with out causing any interruptions to the front end client. Our goal is to create a WCF service with both anonymous and authenticated methods which can be used instead...