Cloud computing is the Internet-based sharing of various resources.These resources include data storage, servers, databases, networking, and software, among other tools and applications.
Cloud computing is the on-demand, pay-as-you-go distribution of IT services over the Internet. Instead of purchasing, owning, and maintaining physical data centres and servers, you can use a cloud provider like computing power, storage, and databases on an as-needed basis.
For a variety of reasons, including cost savings, increased productivity, speed and efficiency, performance, and security, cloud storage is a common choice among individuals and businesses.
Benefits of Cloud Computing
- Cost saving – You can exchange capital expenses (like data centers and physical servers) for variable expenses in the cloud, and just pay for IT if you use it.
- Elasticity – You don’t have to over-provision resources up front for cloud storage to manage potential peak levels of business operation.
- Agility – The cloud allows you quick access to a wide variety of technology, allowing you to develop more quickly and create almost anything you can imagine.
- Deploy globally in minutes – You can quickly extend to new geographic regions and deploy internationally using the cloud.
Types of Cloud Computing
Cloud computing, unlike a microchip or a cellphone, is not a single piece of technology. Rather, it’s a system made up of three main services:
- Platform-as-a-service (PaaS) – PaaS is the most complicated of the three cloud-based computing layers. The primary difference between PaaS and SaaS is that instead of delivering software online, PaaS is a forum for developing software that is distributed through the Internet.
- Software-as-a-service (SaaS) – The licensing of a software application to customers is referred to as SaaS. Licenses are usually offered on a pay-as-you-go or on-demand basis.
- Infrastructure-as-a-service (IaaS) – IaaS is a tool for providing everything from operating systems to servers and storage as part of an on-demand service using IP-based networking.
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