LAN and WAN
LAN stands for Local Area Network and WAN stands for Wide Area Network. Check out our comparison chart for the similarities and differences.
LAN Definition: LAN (Local Area Network) is a computer network covering a small geographic area, like a home, office, schools, or group of buildings.
Connection: one LAN can be connected to other LANs over any distance via telephone lines and radio waves Components: layer 2 devices like switches, bridges. layer1 devices like hubs , repeaters Layers 3 devices Routers Fault Tolerance: LANs tend to have less problems associated with them, as there are fewer systems to deal with. Ownership: Typically owned, controlled, and managed by a single organization Maintenance Costs: Because it covers a relatively small geographical area, LAN is easier to maintain at relatively low costs. WAN
Definition: WAN (Wide Area Network) is a computer network that covers a broad area (e.g., any network whose links cross metropolitan, regional, or national boundaries
Connection: Computers connected to a wide-area network are often connected through public networks, such as the telephone system, leased lines or satellites. Components: Multi-layer Switches and Technology specific devices like ATM or Frame-relay Switches etc. Fault Tolerance: WANs tend to have more problems as they consist of a large number of systems. Ownership: WANs are not owned by any one organization but rather exist under collective or distributed ownership and management over long distances Maintenance Costs: Maintaining WAN is difficult because of its wider geographical coverage and higher maintenance costs.
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