Classification Network

Classification of computer networks are divided into five types, namely:

1. Local Area Network (LAN), a privately owned network within a building or campus-sized to several kilometers. LANs are often used for connecting personal computers and workstations in a corporate office or factories to use shared resources (resouce, such as printers) and exchange information.
2. Metropolitan Area Network (MAN)
Metropolitan Area Network (MAN), basically a LAN version of the larger size and usually use the same technology to the LAN. MAN could include corporate offices are located adjacent or also a town and can be used for private purposes (private) or public. MAN is able to support data and voice, even may be associated with cable television network.
3. Wide Area Network (WAN)
Wide Area Network (WAN), its scope covers a wide geographical area, often covering a country or even continent. WAN consists of a collection of machines that aim to run the programs (applications) user.
4. Internet
Actually there are many in this world networks, often using hardware and software that is different. People who connect to the network often wish to communicate with others who connect to other networks. These desires need relationships between networks that are often not kampatibel and different. Usually to do this required a machine called a gateway in order to have sex and perform the necessary translation, both hardware and software. A collection of interconnected networks is called the Internet.

But in general, and on practical at this time we know there are two, namely the network: LAN and WAN

 

from : http://rj45.co.cc/2010/09/26/klasifikasi-jaringan.htm