- A router is a device that forwards data packets along networks.
- A router is connected to atleast two networks, commonly two LANs (Local Area Networks) or WANs (Wide Area Networks consists of two or more LANs).
- Otherwise router is connected to two LANs and its ISPs (Internet Service Providers).
- Routers are located at gateways, is the place where two or more networks connected.
Wireless Router:
- A wireless router is a device that performs the functions of a router and also includes the functions of wireless access point.
Applications:
- Routers may provide connectivity between enterprise and network.
- Large routers interconnect various ISPs used in large enterprise networks.
- Small routers are used for internet connectivity in home and office networks.
History:
- Setup in 1972 as an informal group to consider the technical issues involved in connecting different networks.
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