What
types of web hosting are there?
Shared
Hosting - Most websites are not huge affairs with hundreds of pages and
thousands of files and graphics, and they are targeted to a particular
audience, so they will not get as many visitors as the great general sites like
Yahoo! that are targeted to everyone who uses the Internet. As such, the
average website therefore will not need all of an entire Web server resources
to run it. Web servers are designed to be able to manage dozens or hundreds of
websites at once because they are powerful machines.
Shared
hosting is simply the concept of hosting more than one website on a particular
server. Over 95% of all websites on the Internet are running in a shared
hosting environment. As the server resources can be distributed among the
clients hosted on it, so can the server's operating costs, so shared hosting is
universally cheaper than any other type. Shared hosting packages are generally
designed so that each customer is assigned a certain amount of each resource,
with different payment levels representing different amounts of resources such
as disk space, bandwidth, email addresses, and so on. Shared hosting is also
known as virtual hosting.
Dedicated
Hosting - If you have a big powerful site that attracts many visitors and tends
to monopolize the resources, then you may want to have a web server all to
yourself. Some companies also prefer the added security of not having to share
the server with anyone else who could do something accidentally or on purpose
of the crash. Rent the use of an entire server known as dedicated hosting. The
web hosting company still owns the machine and takes responsibility for the
maintenance of equipment and the web hosting software, but you have more
control over the configuration and use of the server. There is also such a
thing as semi-dedicated hosting, where a web server is only divided among a
very small number of customers, such as 2-4, with strong walls between each to
prevent them from interfering with the other. Since the hosting company is
still responsible for the maintenance of the server, this type of hosting is
also known as managed hosting. For obvious reasons, dedicated hosting always
costs more than shared hosting.
Co-Location Server - If you really want complete control over every
aspect of your web server, you might very well choose to buy one and maintain
it yourself if you have sufficient knowledge. However, chances are you do not
have the resources to keep your server completely safe from power outages, roof
leaks, thieves, unwary employees and other risks and keep it on internet a fast
connection and high bandwidth at any time. You need a data center to provide
those services for you. Co-location is the rental of physical security,
continuous electrical power and a fast internet connection, reliable for a
server you own. The data center is not responsible for any maintenance of
hardware or a collocated server software, you are. This can be a cheaper
alternative to dedicated hosting if you have the expertise and time to run a
web server yourself.
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