Reduce costs: cost effectiveness is one of the great advantages to this service. The organization can make significant budget cuts when it does not need high infrastructure investment. This does not only save money on the cost of capital for which the cost of energy every day to run the hardware and space costs are also not needed. The discretionary spending ability model for cloud services allows public institutions pay only for what they use. Free maintenance: the maintenance of the infrastructure for the Organization's it staff can be difficult but with public clouds everything real easy than ever. Maintaining the physical hardware at the site of the service provider facilitates the ICT staff have more time to update and develop new technologies for their companies. Easy to deploy: using a virtual environment allows the organization can significantly reduce the time required to deploy and configure again. With a cloud computing solution, if there is a problem with which you can download a copy of that server up within minutes. Disadvantages of public cloud The service of public cloud computing is very popular but besides that there are also a few disadvantages. Do not buy the physical hardware so business will lack authority to control its own proprietary system. The provider property and maintenance of devices they are in control of your data should you need to hire the services of a service provider to the virtual server rental for special credibility. Organizations benefit from the use of a common environment where costs are evenly distributed to everyone. However, with this general environment, latency problems often occur and will affect the business of storage and transmission of large amounts of data
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