Download 4th Edition: Chapter 1 - Computer Science and Engineering

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Transcript
The network edge:
 end systems (hosts):



run application programs
e.g. Web, email
at “edge of network”
peer-peer
 client/server model


client host requests/receives
service from always-on server
client/server
e.g. Web browser/server;
email client/server
 peer-peer model:


little (or no) use of dedicated
servers
e.g. Skype, BitTorrent
Introduction
1-11