Ken research has recently announced report titled “Strategic Focus Report-Green IT & Virtualization”. The report analyses the current trends, drivers, and inhibitors impacting the green IT & virtualization market. The report outlines the evolution of green IT & virtualization technologies, and identifies and assesses the best performing vendors in the market. This report also presents view of the revenue opportunities in the virtualization market through to 2020, highlighting the market size and growth by technology, geography, sectors, and size band. Moreover, following in-depth ICT decision maker surveys, the report outlines enterprises' investment priorities in the green IT & virtualization segment.
A data center consumes the huge amount of power which be used to power thousands of homes. Traditional servers have a single application using a single operating system. The applications anything, be it an e-commerce applications, business applications, email solution, security softwares and databases each running on operating system such as linux, Windows, Ubuntu and Unix. This increases the cost of IT infrastructure a lot by spending of hardware, space, operation and maintenance Apart from that, the average usage of these physical servers is merely 5 to 10 percent, hence almost 90 percent of these servers’s capacity is not being used. That implies that most of the company’s investment on servers is getting wasted with such low efficiency rate. This. huge levels of power consumption is compelling the data centers and environmentalists look for alternate ways so as to reduce the power used and make data centers far more energy efficient.
To manage this cost and optimize the Return on Investment (ROI) Green IT has been introduced, which makes the use of virtualization technology. A physical server has a CPU, memory and other applications running on operating systems. Virtualization on the other hand is creates a virtual (rather than actual) version an operating system (OS), a server, a storage device or the network resources. This allows a part of hardware to run several multiple operating system images simultaneously as the virtualized server now creates multiple virtual environment inside of it and each behaves just like a physical server. These virtualized server environments work side by side so that now multiple applications can run in single machine and the efficiency goes as 95%.
The virtual environment behaves like a separate unit and hence provides your data full protection.
Virtualization has many advantages
- One virtual server can work as good as 15- 20 servers and thus runs on a lesser number of servers, helps to reduce the overall energy used for the data center and for its cooling.
- Also, as the number of servers reduces, the space used by them also decreases.
- Further, virtualization removes the planned downtime by combining virtual machines from one physical server to another
- Resource allocation can be monitored and managed in a better way
- Virtualization increases a server group’s ability to share resources tremendously.
Thus, energy saved per server is equal to approximately 7000 Kilo Watt hours per year, which is enormous. With such tremendous potential for energy savings, Virtualization is the need of the hour.
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