XI
Preface
As the IT industry advances, cloud computing represents the next big computing
platform change. It is the most signicant transformation since the introduction of
the Internet in the early 1990s. Cloud computing along with virtualization technol-
ogy will literally revolutionize the way we run a business. e cloud provides a ex-
ible, secure, scalable, and aordable IT infrastructure. E-commerce and educational
institutions can particularly benet from cloud-based IT infrastructures.
rough the Internet, cloud-based IT infrastructures allow companies and edu-
cational institutions to subscribe to software, an IT infrastructure, or an application
development platform from a cloud provider. is way, it is not necessary for subscrib-
ers ...