HOW THE INTERNET WORKS
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STUFF AT THE LONGEST DOMAIN NAME AT LONG LAST
How does the internet work?
The internet has been growing in popularity for decades
but how does it really work? It takes more than a phone jack, a computer and a
power source. Every time you open a browser, through whichever means you choose
to do that, there are lots of processes taking place. The internet couldn’t
operate without these processes and they all take place within seconds! There
are three areas that must be understood before understanding how the internet
truly works. These areas are: transport protocol, which moves information around
the Internet; domain names, which are what you call certain things on the
internet; and servers, routers, and clients, which are referred to as the
hardware of the internet.
TCP/IP is the process of moving information through
the Internet. Although they are two different things, the internet cannot exist
without the presence and successful operation of both of them. These
abbreviations stand for transmission control protocol and internet protocol.
With the TCP/IP protocol, files in the server are broken down into things that
are called packets by the file server. Each packet is given an IP address, short
for Internet Protocol address, of its destination. As the different packets move
through the global network, it travels through many different servers and
routers before reaching the requesting network and the requesting computer.
The IP address that has been assigned to the packet
will tell the servers that the packet travels through, where to send the packet
next. At every stop, the packet is given a wrapper, which will allow someone to
see which different server the packet travelled through. Although they are
travelling to the same place, the different packets that the initial file was
broken down into don’t necessarily take the same way to arrive at the final
destination. The process of breaking down files into packets helps users to
receive packets more efficiently. This way it can be done with many different
phone lines, instead of spending time looking for one phone line that can handle
the entire file. It also makes the internet work more efficiently by not
compromising the system when there is one air that is having trouble. The
packets will simply find another way to get to the destination.
A domain name is how businesses and organizations
are recognized on the internet. In an email address the domain name appears
after the “@” symbol and when browsing the domain name appears after www. Domain
names are all registered with the domain name authority so that it can be traced
to a server. That server is then responsible for receiving files, email, and
servicing web pages for that domain name. Hosts are the companies that will
manage your web site and email through the name server. The host will manage a
domain name server, or DNS, that is usually a software server that will answer
requests for that server and will redirect incoming information to different
parts of the host’s server. In short, a DNS redirects information to different
The internet is comprised mainly of servers,
routers, and clients. Servers are computers that are extremely powerful and run
continuously. They are specially made with redundant hard drives, which are
referred to as a RAID array. These servers have special cooling components and
are generally designed to be very skinny so that they can fit into a rack with
many other computers just like it. Servers are generally kept in a data centre.
These data centres provide things such as extra cooling, extra power supplies,
anti static mats, and many other components to keep the servers safe and secure.
Routers are far less complex. They simply pass
information on to their destined IP address. While they are very quick and
efficient, they are designed only for that job and don’t necessarily need to do
much more than that. Routers are so simple in fact, that individuals can have
them sitting on their desktop and this will allow more than one computer to run
in a house at one time (such is the case if you have a desktop computer and a
Clients are the users at the other end of the computer. When you open a web
page, you are requesting message from another server and so, you are a client.
The server on the other end is designed to gather the information and send it
back to the client.
The most amazing part of the process the internet
must go through when a request for information is made is not the many different
servers it travels through, or what the domain name is. The most amazing part is
how quickly all of it takes place. When you open up a browser or look at email,
you don’t even have time to think about the process before the information you
requested is staring back at you from your computer screen.
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