The sharing of information always requires a computer network for the completion of many tasks. It includes sharing operating programs, files, software, and communicating devices. Computer networks are also crucial for communication via instant messaging, emails, and videos. Why different types of computer networks required? The various area coverage and requirements lead to the deployment of multiple computer networks. In our recent article, we mentioned the important hardware components of a computer network. Here we will highlight all the different types of computer networks.
Out of all the different types of computer networks, let’s start with HAN (home area network). It is clear from the name that this type of computer network deploys for connecting devices that cover the area of a home. HAN is customarily built to provide internet access to all the shared devices of the home computer networks. It requires infrastructure devices such as a modem, router, wireless access point, network switch, and bridge for the deployment of the home area network. HAN not only restricted to just building up the network for home devices. It used for the building of the network for the devices located in an area equal to any home area. It also referred to as the PAN (personal area network).
VPN (a virtual private network) lets users access their private systems remotely. The devices connect in this network to a shared virtual point to share and receive data privately.
When there is a need to build a computer network bigger than a home area or to a global area interconnecting two systems, internetworks are used.
GAN (Global area network) works for all the systems present all over the globe. It also depicts the computer networks build for bi-directional communication and topology-based networks. The vulnerability assessment and pen testing is requirement of this network after deployment. The Global area network connects million and trillion of computer devices all over the world through the internet. These devices also transmit and exchange data through a TCP/IP protocol suite.
Enterprise Private networks
The business companies and organizations have sensitive and vital data present on their computer systems. Moreover, these organizations have data current at different locations. So, for these types of requirements, private enterprise networks are built. It connects the different devices located at various locations to share resources securely and efficiently.
Many organizations use LAN (local area network) if they have to deploy a network in a radius of 1 km. It implements in a building or in more than two buildings with a smaller number of devices. The purpose of this network is to provide internet access to tools located in the area of 1km. It typically uses wired connections to connect devices for the data exchange.
The functionality of WLAN (wireless area network) is the same as LAN. The only difference is that it does not require wired connections for network set-up. Instead of wired connections, it uses wireless devices for the deployment of the network. It is excellent as compared to LAN because of long-time cost savings, increased reliability, and reduces installation difficulty like in wire areas. Not only this, but WLAN also provides mobility.
You might be thinking that what is the difference between WAN and WLAN? WAN (wide area network) refers to the type of network which helps in connecting various type of network devices through the internet. It also helps in connecting LAN and other types of networks.
As we have mentioned above, that computer networks built up according to the requirements and area need. So, MAN (metropolitan area network) built up when there is a need to build networks smaller than WAN and larger than LAN.
SAN (storage area network) used for high-speed networks. It provides scalable block-level storage all over the deployed network. Like SAN, the system area network offers high-speed connectivity in cluster environments. The storage area network also provides high-speed connectivity in the processor to the processor environment. Both of the computer networks have improved the transmission of data.
The best network deploys only when the network administrator is skillful enough to use hardware components in the right places. Moreover, according to area and need, which of the type of network must be deployed, need planning with care.
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