
362 Essentials of Cloud Computing
consumed by data centers mainly constitutes of the power required to run
the actual equipment and the power used up by devices to cool the equip-
ment. To cool the systems in the data center, we usually make use of preci-
sion air conditioners that control the temperature and humidity throughout
the day and can also be managed remotely.
As more and more people switch to cloud computing, the energy consumed
by it becomes signicant. In an era of great concern for a greener environment,
this area in cloud computing should also be considered. It is from this basic
need that green cloud computing arose. Green clou