Networks _ Information - CS170 Information ComputerNetworks...

CS 170
Computer Networks
Kristian Stout
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The Client/Server Structure

The Internet
( THE TCP-IP Inter-Network)
“totality of all the wires, fibres, switches, routers,
satellite links and other hardware for transporting
information between addressed computers.”
132.45.52.232
252.43.1.97

DNS Servers
When you type in, for instance
ftp://tracer.cs.washington.edu/
how does your computer know
how to find that server ?
We usually don’t type in IP
addresses directly.
Asks DNS server “what is
the ip address
for spiff.cs.washington.edu?”
finds the proper
IP address for
spiff.cs……