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Cloud computing is the term used to refer to on-demand internet access to IT resources, which includes servers, applications (physical or virtual) tools for development, and data storage. These IT resources are housed in a remote datacenter managed by cloud service providers. Users can access this infrastructure through an encrypted connection. Cloud services are accessible through a subscription, or by charging per usage.
Companies that adopt cloud systems can reduce the costs and time needed to maintain IT infrastructure while freeing up IT staff to concentrate on other productive tasks. The exact savings that a business experiences will depend on which system it decides to move to the cloud and what they’re replacing. A recent survey revealed that business and IT professionals reported savings of between 30 to 50% by moving to cloud.
There are many cloud service models, such as Software as a Service(SaaS), Platform as a Serviceand Infrastructure as a Service. SaaS is the most popular, and one that many companies are using. It provides the application layer, which includes software like CRM, email and office software–via the internet, eliminating the need to maintain or upgrade hardware.
Another benefit is the ease with which businesses can scale up or down the size of their servers and disk space, only paying for the amount they require as they require it. This flexibility can be a key feature to ensure that processes are agile and for swiftly introducing new technologies into production. Cloud providers can keep IT departments informed with the latest advancements in technology without the need to worry about costly hardware.