I outline some ideas he

http://www.members.shaw.ca/albertkallal/Wan/Wans.html

if you don't want to change anything in regards to your application and
don't know anything, then you could have your IT department setup remote
desktop. They do the network + infrastructure, and once done, you continue
to do everything as you have now (well, you should split your database).


--
Albert D. Kallal (Access MVP)
Edmonton, Alberta Canada