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Tuesday, January 5, 2010

Network Topology

Network
A network is a group of more than two computers, based on geographic locations Network can be defined into following types. LAN, WAN and MAN
LAN(Local Area Netwwork) Network Topology
This type of network is defined where the distance is very short. The typical examples are office, buildings etc. the local area network is usually used in offices to share printers, files etc. LAN is typically in a single sub network and is managed moslty by a Layer2 switch.
WAN(Wide Area Network)
As the name suggest WAN covers a large geographical area, Internet is the largest WAN. Network TopologyWAN can be group of LAN, unlike LAN WAN are not owned by a single body or a organization but rather they are managed by a group of organizations. The network structure of WAN is much complex and the consists of Routers and switches.
MAN(Metropolitian Area Network)
It is a computer network struture which is larger than LAN but smaller than WAN. This type of structure is typically confined to a city or country, and is managed by single ownership like government of internet service providers.

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