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An Overview Of Computer Networks

Posted on September 26, 2020 by Grant Tafreshi

A network is merely a way for computers to talk with one another, or talk to one another. With a network, computers can receive emails from one another, send files to one another, instant message one another and a number of other things. That is a thing that we neglect today but there is a period when networks weren't so sophisticated rather than all that efficient either.

There are basically two forms of networks.

The simplest network is really a LAN or GEOGRAPHIC AREA Network. That's where all of the computers in the network can be found in a single place such as for example an workplace. Within this kind of network you have 2 methods to connect.

The simplest way is peer to peer. That's where 2 or even more computers are installed directly to one another. Put simply for those who have 5 computers you'll have computer 1 hooked into computer 2 which may be hooked into computer 3 and so forth. In this sort of connection each computer would depend on another. So if computer 3 would decrease then computers 1 and 2 wouldn't normally have the ability to communicate or exchange information with computers 4 and 5 and visa versa. This is the problem with a peer to peer network. Also in peer to peer networks the write process between computers results in data corruption problems. This is simply not something they educate you on in school but something you study from experience.

The more prevalent kind of LAN connection is client server. That's where all of the computers in the network are linked to each other with a central computer. This sort of connection does require more work in create but is better, carries data better and when one computer falls others aren't affected. However, if the server decrease then all of the computers on the network will be affected so far as their capability to get information from another computers and the server itself. They, however, would be in a position to do work locally by themselves such as for example with a word processing program, unless the term processing program was on the server. Then it could not be accessible. Usually, however, most applications are installed on each computer. What's mostly lost whenever a server falls is the capability to retrieve data that's common to everyone in the network, say an internal database of most employees.

The second kind of network is really a WAN or wide area network. That's where several LAN networks as well as single computers are linked to a much bigger network. An ideal exemplory case of a WAN may be the Internet. That's where users from across the world can connect to one another through email, boards and instant messaging. WANs are enormous to state the least and so are very intricate within their design, requiring hubs from worldwide to remain connected. One hub falls and it make a difference connections for thousands of people though you can find protocols instituted to reroute connections in case a hub does decrease.