Applications of networks, Computer Networking

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Q. Applications of networks?

End systems (hosts):

- Run application programs

- Example email, Web

- At -edge of network

Client/server model

- Client host requests accepts service from always-on server

- Example email-client/server, Web-browser/server

Client/server model is applicable in an intranet.

Peer-Peer model:

- No fixed clients/servers

- Every host can act as both client & server

Instance Gnutella, Napster, KaZaA

- WWW

- Instant Messaging (text messaging on cellular phones and Internet chat)

- Peer-to-Peer

- Internet Phone

- Video-on-demand

- Distributed Games

- Remote Login (Telnet)

- File Transfer


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