Cloud computing refers to the provision of computer resources as a service over a network connection (Internet). This service is provided virtual or physical resources and therefore the building of physical servers isn`t necessary.
The term Cloud Computing is based on the so-called cloud stack. This computational model includes SaaS (software as a service), PaaS (platform as a service), and IaaS (Infrastructure as a Service), which can be obtained from different cloud providers to be hosted internally through a private cloud.
One of the main benefits the cloud computing technology brings is the flexibility. All the data is internet based and you can access it anytime from anywhere in the world. You can access this data from any device – computer, mobile, tablet etc. The security is provided via multi factor authentication.
Next advantage is the cost. Using cloud computing technology is far cheaper than any other technology. You pay only for the resources used within the platform on a monthly basis. The reports showing usage are also available providing full transparency of resources consumed.
For more information about the Cloud Computing advantages read here.
There are very few disadvantages that apply to cloud computing. However, there is one key decision which you will have to make – to choose the right cloud provider. Choosing the wrong cloud service provider can be detrimental for any organisation, as their reliance on cloud solutions from a single vendor may place all of the responsibility for IT service delivery within their business on the shoulders of a third party.
No. One of the cloud benefits is that you do not need any new hardware. As all the processing power is performed in datacentre even old local machine is enough to provide connection to the data centre. This in a long run saves you money because you really need to upgrade your hardware only when it breaks completely .
Security is a big concern for many organisations and rightly it should be. Cloud can provide better security for data and IT resources than what could be provided by on-premise IT staff. The element of employee loss, theft of data or computing assets is greatly reduced as everything is centrally stored in the datacentre.
Many companies move to the cloud especially because of the increased security measures within the clouds as it is much more difficult and expensive to implement similar security measures on-premise.
Cloud computing eliminates the threats from hackers and reduces the occurrence of intellectual property theft.
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