Classification of Computer Networks
Computer networks are set up for local or remote communication and information exchange.
The networks can be:
- LAN (Local Area Network)
- MAN (Metropolitan Area Network)
- WAN (Wide Area Network)
- SAN (Storage Area Network)
- CAN (Campus Area Network)
- PAN (Personal Area Network)
- DAN (Desk Area Network)
- HAN (Home Area Network)
The data exchange can occur with wired:
- Twisted pair
- Coax cable
- Telephone cable
- Glass fibre, optical cable
Wireless networks:
- Infrared light
- Laser
- Radio waves
- Microwave
Network services:
- electronic mailing
- file sharing
- information exchange
- telnet
- electronic trading
- www
- online broadcasting
The networks can be client/server connection and equivalent systems. At a client/server connection, a chosen central computer (server) serves the other client systems. Connection between peer systems is known as a peer-to-peer connection.