How can i upload a file to another system?

Dear Frens, I want to upload a file to my system to another system by using upload control in asp.net with c#.net. I have done uploading a file to my system itself.But i dont have any idea to upload a file to another system.where all the systems are connected with in LAN itself. Can any body give an code or idea to uplaoding a file to another system Thanking You,