software and data environment
that is hosted by third
parties. A user’s computer
does not perform processing
or computing tasks — the
cloud does. This concept is in
contrast to today’s computing
model, which is based on networks
that strategically distribute
processing and data
across the enterprise. In a
sense, the cloud of computers
acts as one giant computer
that performs tasks for users.
As shown in Figure 10-25, a
user logs into a local computer
and is connected to the
cloud, which performs the
computing work. Instead of
requiring specific hardware
and software on the user’s
computer, cloud computing
spreads the workload to powerful remote systems that are part of the cloud. The user
appears to be working on a local system, but all computing is actually performed in the
cloud. No updates or maintenance are required of the user, and there are no compatibility
issues.
software and data environmentthat is hosted by thirdparties. A user’s computerdoes not perform processingor computing tasks — thecloud does. This concept is incontrast to today’s computingmodel, which is based on networksthat strategically distributeprocessing and dataacross the enterprise. In asense, the cloud of computersacts as one giant computerthat performs tasks for users.As shown in Figure 10-25, auser logs into a local computerand is connected to thecloud, which performs thecomputing work. Instead ofrequiring specific hardwareand software on the user’scomputer, cloud computingspreads the workload to powerful remote systems that are part of the cloud. The userappears to be working on a local system, but all computing is actually performed in thecloud. No updates or maintenance are required of the user, and there are no compatibilityissues.
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