why do people use computer networks?
• Resource sharing… High reliability… Save money. • Resource sharing: • The goal is to make all programs, equipment, and especially data available to everyone on the network without regard to the physical location of the resource and the user. • End the “tyranny of geography.” • High reliability: • All resources can be reallocated on as many machines as necessary to provide a “buttet-proof” computer environment. • Saving money: • Small computers have a much better price/performance ratio than larger ones…