Clouds can
be private or public. An external service provider maintains public clouds
accessed through the Internet, and available to the general
public. Private clouds however, are a proprietary network or a data center
that ties together services, storage, networks, data, and applications as a set
of virtualized services that are shared by users inside a company.
Public and private clouds are
able to allocate storage, computing power, or other resources to provide
computing resources on an as-needed basis. Utility computing/on-demand
computing: organizations purchase their computing services from remote
providers any pay only for the amount of computing power they actually use.
Even though
private clouds are more expensive to invest in for any company the benefits are
great. The users wont have to worry about random and extended blackouts from
other providers and all of the companies private information on its business
and employees will be safe from other companies that it would be sharing a
public cloud with otherwise.
Source: Management Information Systems –
Managing the Digital Firm. Kenneth C. Laudon and Jane P. Laudon.
Pearson Prentice Hall Publishers. 12th edition. 2012.
Picture from:
http://www.skali.net/public-cloud-vs-private-cloud
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