connecting workstation without a hard di

1. Is it possible for a workstation that has no hard disk to boot from lan and connect to server and run under its OS(Windows98/Windows 2000)to w/o using a dos boot floppy? If YES, what are that software and hardware that is needed to achieve this setup. Can anyone here give me a detailed information on how to do this. I will highly appreciate your help. You can email your answer to derflanoj@yahoo.com if necessary. thanks a lot.