Cloud Computing is often used in reference to network-based services which appear to be provided by real server hardware, and are in fact served by virtual hardware, simulated by software running on one or more real machines. Such virtual servers do not physically exist in company's environment and can therefore be moved around and can be scaled up or down on the fly without affecting end user.
Major models of cloud computing service are known as SaaS (Software as a Service), PaaS (Platform a a Service) and IaaS (Infrastracture as a Service). These cloud service are offered in a public, private or hybrid network.
Google, Amazon, Oracle Cloud, Salesforce, Zoho and Microsoft Azure are some well-known cloud vendors.
Why would anyone want to rely on another computer system to run program and store data? Here are just a few reasons:
Major models of cloud computing service are known as SaaS (Software as a Service), PaaS (Platform a a Service) and IaaS (Infrastracture as a Service). These cloud service are offered in a public, private or hybrid network.
Google, Amazon, Oracle Cloud, Salesforce, Zoho and Microsoft Azure are some well-known cloud vendors.
- Clients would be able to access their applications and data from anywhere at any time. They could access the cloud computing system using any computer linked to the Internet. Data wouldn't be confined to a hard drive on one user's computer or even a corporation's internal network.
- It could bring hardware costs down. Cloud computing systems would reduce the need for advanced hardware on the client side.
- Companies don't have to buy a set of software or software licenses for every employee. Instead, the company could pay a metered fee to a cloud computing company.
- No physical space required for storing servers.
- Server maintenance cost is reduced as it is done by vendor providing cloud service.
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