Defined as the practice of sustainable production, management and disposal of electronic equipment, as well as saving energy, Green IT also brings reduction in energy costs. This practice needs to be initiated in sustainable projects and the structuring of the various products needs to be analyzed with new methods or materials that reduce the dangers of contamination for man and nature.

In cloud computing, data storage is done on dedicated servers of companies that perform the service and can be accessed in several places in the world. There is less concern with the hardware part of the machine and air conditioners for the storage of equipment.

When the focus is on electronics, it is necessary for the company to manage its use of IT equipment. Both the purchase and lease of equipment consume less electricity, as well as the use of recycled paper and reduced levels of printing. And of course, that may be disposed smartly.

Green IT can be defined in three areas: Tactical, Strategic and Deep IT. The IT Tactical represents the reduction of energy consumption by turning off the monitors which are not in use. Strategically it changes the computers, for example, in producing a better maintenance of equipment and thus, an estimated economy.

Deep IT is based, for example, in actions that range from planning a data center to the movement of employees and consumption of alternative energy like solar, and the use of server virtualization, management of power consumption generated by cooling equipment.

The segment of grid computing, virtualization and cloud computing meet the newest demands of modern environments called “Green IT” or “environmentally friendly data center“. This factor is one of the strengths that highlight your company and raises its level in a matter of sustainability.

According to us, this is a good way to assess the risks and benefits of the cloud computing model.

There are many potential benefits for deploying cloud services, including agility, reduced costs, reduced complexity, greater focus, more innovation and ability to leverage the knowledge and skills of people outside the company.

According to the research, the clue for IT professionals is to perform a thorough analysis, which identifies the benefits that the company hopes to achieve by moving to the cloud. There are still reasons to not to take the path of cloud computing. Among them, the inability to obtain service level agreements that you want, regulatory issues and compliance concerns for disaster recovery and the realization that the cloud might end up saving money.

An accurate cost analysis is particularly complicated, since the user is weighing the cost of capital versus recurrent costs. Customers tend to underestimate the costs of using the cloud, and most companies that intend to move toward a model of professional services contracts to manage the process which increases costs.

There are a number of potential risks. Among them, the executive points out, security, transparency and integration issues. If the company decides to start migrating applications to the cloud, it must do so first by the points and then work your way to the core. The most common applications in these first steps are email, development, productivity applications and web servers.

Another point to keep in mind is that the individual business units have probably moved into software as a service (SaaS), so we recommend that IT executives make concerted effort to get ahead.

Currently, there are three categories of “clouds“:

1. Public Cloud
2. Private Cloud
3. Hybrid Cloud

Public Cloud Computing – is the IT infrastructure that is used by many companies and services at the same time. Data users of the clouds are not able to manage and maintain this cloud, the entire responsibility for these matters rests with the owner of the cloud. Subscriber services can be offered by any company and individual user. They offer an easy and affordable way to deploy Web sites and business systems, with high scalability, which in other solutions would be available.

Private Cloud Computing – A secure IT infrastructure is controlled and operated for the benefit of a single organization. The organization can manage  its own private cloud or outsource this task from an external contractor. Infrastructure can be placed either on the premises of the customer, or in a data center. Ideal private cloud is the cloud that is deployed in the organization premises, served and controlled by its employees.

Hybrid cloud Computing – Is the IT infrastructure using the best qualities of public and private clouds, with the task. Often this type of cloud is used when an organization has seasonal periods of activity, in other words, once the internal IT infrastructure can not cope with current challenges, some facilities are  transferred to a public cloud (e.g. large amounts of statistical information, which is in its raw form or something that does not represent value for the enterprise), as well as to provide user access to enterprise resources (for private cloud) via a public cloud.