LAN (Local Area Network) is a network that interconnects computer to communicate, share resources and information. But this network is available only within the particular range or limited area such as residence, school, laboratory, university campus, office building.
LAN is totally different from WAN and is quite a reversal. Wide Area Network is formed by a large number of LAN system connected.
WAN covers a large geographical area of the network than the local area network and it consists of two or more local area networks and is connected through public networks. LAN has the two most common transmission technologies in use like Ethernet and Wi-Fi. We also have other technologies like ARCNET, Token, ring, and AppleTalk.
A modern local area network can connect their devices together using a Wi-Fi or Ethernet and this Ethernet LAN consists of one or more hubs, switches, or traditional routers where the individual devices can be connected through Ethernet cables.
You don’t need a central device to connect both Wi-Fi and Ethernet devices but can be connected directly, although the functionality of the network is limited.
Many LANs use wireless technologies that are built into Smartphones, tablet computers and laptops. In a wireless local area network, users may move unrestricted in the coverage area. Wireless networks have become popular in residences and small businesses, because of their ease of installation. Guests are often offered Internet access via a hotspot service.
Some devices like servers and printers are connected permanently to the LAN while the mobile devices like computer nad phones may join and leave the network at various times.
Types of Local Area Network
There are three types of LANs available. Each one differs from their functionality.
- Topology – The geometric arrangement of devices on the network. For example, devices can be arranged in a ring or in a straight line.
- Protocols – The geometric arrangement of devices on the network. For example, devices can be arranged in a ring or in a straight line.
- Media – Devices can be connected by twisted-pair wire, coaxial cables, or fiber optic cables. Some networks do without connecting media altogether, communicating instead via radio waves.
Why do we use LAN and what are its advantage of it?
It is because they are faster and easy to install. They can share files, hardware, and other resources among the network connected computers.
Also, share software licenses for uniformity and cost saving using a LAN. Most of the LAN combines together to form a workstation and personal computers. Each node has its own CPU and able to access data and devices anywhere on the LAN.
LAN can transfer data at a blazing speed when compared to a telephone line that transfer data between them.
How to setup LAN
Watch the below video to setup your router easily.