Web Service Software Factory Guidance
A set of integrated tools that helps quickly builds web services based on a well known design pattern and architecture
it gives you the power to :
1- Build messages and service interfaces.
2- defining fault contracts.
3- Building the host application.
4- Build test client application.
and more....
It didn't take me lot of time to get with the service factory guidance; it provides you with sequential recipes that allow you to quickly start your web service.
I found that it is really interesting to use this tool as it really removes a lot of the overhead while creating a service
to startup with the guidance check this url http://msdn.microsoft.com/en-us/library/cc487895.aspx