
24 Essentials of Cloud Computing
Drawbacks to cloud computing are obvious. The main point in this context is
that if we lose our Internet connection, we have lost the link to the cloud and
thereby to the data and applications. There is also a concern about security as
our entire working with data and applications depend on other’s (cloud ven-
dor or providers) computing power. Also, while cloud computing supports
scalability (i.e., quickly scaling up and down computing resources depend-
ing on the need), it does not permit the control on these resources as these
are not owned by the user or customer. Depending on the cloud vendor or
provider, cu ...