- Remote Control
- leave pc at office powered on
- call the pc (it has a modem) from your remote
pc (at home, motel, car)
- run software to take control of the pc
- remote control software should have features
shown on bottom of page 233
- no need for full network operating system
protocol stack on remote PC
- note warning that windows software runs
slow because of the large amount of data involved with windows
- some products don't support remote windows applications-look
at fig 6-3, 6-4
- remote products are listed on p.234
- Remote Node
- theory: remote PC would operate as if it
were locally attached to the network
- reality: client/server applications requiring
large transfers of data run too slowly
- those applications are usually rewritten
to minimize data transfers
- Physical Design
- Serial Port of LAN-Attached PC
- dial your computer in the office
- Communications Server
- dial into a dedicated multiuser server through
one or more modems
- LAN Modems
- LAN modems come with all necessary software
preinstalled
- no office PC or communications server is
involved