A Wide Area Network is a type of a computer network that covers a large area. With the wide area, it means that the area could expand beyond the city limits, regional or even national.
vast network in a very simple language, connects two or more local area networks via devices which are routers or function as a router. Users in many different places of a wide area network are connected together via a central server. This server can only serve all computers on a network.
All computers in a network are connected to the central server of a database management system. With the help of this centralized database system, all the geographical network computers to save the data in real time and then send the results to the central server input to receive the output results at that time.
There are four types of access wide-area-network options: leased line connected, connecting the switching circuit, the switching connection packet or of a cell -relay. The dedicated line is the most classic type of wide area network, in which there is a point-to-point connection between two computers. It is mostly used for small businesses and colleges.
circuit switching is another type of Wide-Area-Network. In this type, you create a circuit between end-points and an example of this is a dial-up connection. Another feature of Broad Network is packet switching, in which multiple sets of data are sent and received simultaneously.
With the help of Wide-Area-Network, common resources are used by a company. For example, if a person buys prescription drugs from a shop in the UK, his entry is made on a computer and after that, he / she can buy the drug from any branch of the pharmacy chain in the United Kingdom. Similar is the case of banks where people used to cash previously only by their designated bank branches. However, now, they can cash their money from any bank branch which, with the help of online banking.
Wide-Area-Network has made life very easy and communication. The distances have been reduced to a large extent. Moreover, thanks to the VPN technology (which was built on the principle of Wide Area Network), employees can take their work home and can also store and share online.
Having said that, we must also know that Wide-Area-Network have some downsides as well. Safety is one of the main risks for companies and individuals that use Wide-Area-Network. Anyone can log on to the computer with the help of your IP. In addition, the wide area networks installed in places such as institutions and trading companies require money, resources, and frequent maintenance services. Finally, Wide Area Networks has brought revolution in our lives. He has helped the world to communicate more quickly and efficiently; and he also made the life of people in general, simple, providing online services that no one has ever thought of 30 years ago.
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