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What is LAN, WAN, VPN

What is LAN, WAN, VPN?

A fundamental understanding of networking is essential for anybody managing a server. Not only is it essential for getting your services online and running easily, it also provides you the insight to diagnose problems. LAN, WAN, and VPN, All of the networks will sound confusing, however, you’ll find the concepts self-explanatory when you understand the meaning behind every acronym. Read Also: best firewall for windows

If you’re new to networking technology, you may feel like you’re dipping your spoon into a bowl of alphabet soup. LAN, WAN, VPN – What do they all mean? This article will help you type out all of those terms.

Fortunately, one you learn what the terms mean, it’s simple to comprehend how they work. The key difference is the geographical areas they serve. Read More: The Websites To Learn Computer Programming Languages

What’s a Local Area Network (LAN)?


Local area networks are created to provide networking services to a group of computers which can be comparatively close to one another. A Local Area Network can work a single floor in an office building or a classroom in a school. LAN is the commonly set up as a single subnet with a clearly defined mask. LANs can be created based on wired or wireless connections. The size of a presented LAN can vary from one room to one building or even to a group of buildings, relying on the users’ wants. When utilizing IP/TCP networking, Today, wireless is most commonly used because of its convenience and ease.

What’s a Wide Area Network (WAN)?


WAN connects the computers together over large physical distances, such as entire country or the entire world. The y’re remotely related over a massive network and are allowed to communicate irrespective of their distance. The internet is usually a public WAN which connects computers all around the world together.Many multiple small networks, like LAN or MAN, are related to making a WAN. WAN is so large that one administrator can’t control the whole network, so normally there are multiple administrators.

What’s a Virtual Private Network (VPN)?


Virtual Private Network (VPN) is a type of computer network which doesn’t have physical existence. The devices which can be part of a VPN could be present wherever on the earth, connected to each other over the internet.

VPN is the utilized by corporates to interconnect their offices located in another place and gives their remote employees access to company’s resources. It has phased out another kind of network called as Enterprise Private Network, a physical network produced by organizations to link their office locations.


Over the WAN, VPNs allow the creation of voice and data networks that mix the benefits of both public services and private facilities. With this services and features defined in software and implemented through out-of-band signaling methods, users have greater flexibility in configuring their networks from on-premises terminals and management systems. With the VPN, businesses can save significantly over regular dial-1 rates on calls between on-net locations, including calls placed by mobile employees using the VPN phone card. With custom-dialing plans, corporate employees can merely dial extensions to place long-distance calls and, with accounting codes, telecom managers have an easy way to track costs and chargeback users.

At that point, you should be familiar with some fundamental networking terminology and be able to understand how different elements are able to communicate with each other.

We hope you enjoy the article ‘What is LAN, WAN, VPN’ Stay tuned for more updates.

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