Cloud computing models
Cloud computing is the delivery of various services through the internet, such as data storage, computer power, database as well as networking without the active management of the user. This includes the availability of data centres across the internet to users. Large clouds are common today, and they usually have functions distributed to different locations from the main servers. Cloud computing has made it easy for larger companies to store the data in the remote database instead of storing data files on the physical storage devices. Cloud computing provides users with different services such as email, analyzing data, storage back-up, and data retrieval as well as audio or video streaming. As service providers, cloud computing offer services according to various models. Examples include; platform as a service model, SaaS and Infrastructure as a service model
Infrastructure as a model entails delivering everything from the operating system to servers and storage through-based connectivity. A god example of Iaas system is the IBM Cloud and Microsoft Azure. Platform as a service is a bit complex, and it includes; Force.com and Heroku. On the other hand, software as a service entails licensure of software applications to clients. Licenses usually are based on the pay as go model. Commonly found in the Microsoft Office’s 365. Other service models include; Function as a service model and Mobile backend. Models that are deployed include; hybrid, private, community and public clouds. Private cloud infrastructure works entirely on a sole organization while the public one gives services over the particular network for public use. Among the public network service providers includes Amazon Web Services, Google, and Alibaba. Hybrid cloud, on the other hand, is a combination of the two, and it allows the user to Optimize Infrastructure and security. Finally, community cloud shares Infrastructure among several organizations from a particular community with a common goal relating to safety, jurisdiction, and compliance.