i have assigned a project in which two machines are there one is linux based and another windows 2000.both are attached by two modems and telephone line.what i have to do is that by dialling teephone numbers i have to access files(files may be html ,jsp,php pages) from one computer to another without using ipaddress.if anyone is having any idea how to do it and which protocol to use do reply soon.

You could try looking at the java jxta framework.