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LAN WAN
Definition:LAN (Local Area Network) is a computer network covering a small geographic area, like a home, office, or group of buildingsWAN (Wide Area Network) is a computer network that covers a broad area (e.g., any network whose communications links cross metropolitan, regional, or national boundaries
Example:Network in an organisation can be a LANInternet is the best example of a WAN
Ownership:Typically owned, controlled, and managed by a single person or organizationWANs (like the Internet) are not owned by any one organization but rather exist under collective or distributed ownership and management
Technology:Tend to use certain connectivity technologies, primarily Ethernet and Token RingWANs tend to use technology like ATM, Frame Relay and X.25 for connectivity over the longer distances
Data transfer rates:LANs have a high data transfer rateWANs have a lower data transfer rate as compared to LANs
Geographical spread:Have a small geographical range and do not need any leased telecommunication linesHave a large geographical range generally spreading across boundaries and need leased telecommunication lines
Connection:one LAN can be connected to other LANs over any distance via telephone lines and radio wavesComputers connected to a wide-area network are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites
Set-up costs:If there is a need to set-up a couple of extra devices on the network, it is not very expensive to do thatIn this case since networks in remote areas have to be connected hence the set-up costs are higher


LAN stands for Local Area Network and WAN stands for Wide Area Network.

WAN's can be expensive. They can also be slow.



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Comments on LAN vs. WAN
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