Question : Web service / ASP.net project structure

I have an ASP.net web application A. Now I'll write a web service S.
S needs to access a method in A.

What should the physical folder and visual studio project structures look like?

Answer : Web service / ASP.net project structure

I think you can consume it from other applications,
the only thing is that every application that want to consume this service ,must use your application address, so you shouldn't change the address of application after this!