Page 36 - Cloud Computing (Elective – III)

Parts of Cloud Computing Environment

Cloud computing environment is a new, great approach to providing IT-related
services. In fact, this approach is a dream of numerous business owners who wish
to get all possible IT services at one place. In the era of informational society this
kind of services is becoming more and more popular, as it helps entrepreneurs
resolve all IT challenges within one company quickly and efficiently. In simple
terms, cloud computing environment is all about IT and what IT needs: different
kinds of software and hardware, pay-per-use or subscription-based services
offered both through the Internet and in real time. So, let’s define the most
common kinds of services which usually refer to what we call cloud computing.

1. SaaS or Software as a Service
Because all businesses are unique, they may require unique software to
perform their tasks. It can be very costly and ineffective to purchase pricey
tools which you are going to use partly. For this reason, there are SaaS
companies, like isutility.com. Software as a service firms help resolve any
issue regarding software required for your particular service. These
companies license various applications on a pay-per-use base or a
subscription.

2. Utility Computing
This service is probably the most popular element of the cloud computing
environment. It implies ability to access virtual storages, as well as
purchase capacity on the remote servers (this option is more popular than
buying specific machines). Utility computing is a provisioning model that
maximizes the efficiency of the used service by minimizing IT-related
budget. The term ‘utility’ is used as an analog to other services, like
electrical power, where customers pay for consumed product, rather than a
flat rate. This approach is also known as ‘metered service’.

3. Platforms
IT platforms of foundations are a variation of Software as a Service. By
delivering platforms, IT firms provide customers with whole development
environment rather than just single application. Such platforms encompass
all tools required for developers’ work.

In addition to the aforementioned services, cloud computing implies other
functions, anything from installing hardware to virus scanning. In fact, any
kind of IT-related service that was ‘outsourced’ falls into the ‘cloud’ of the
company that provides complete computer services.