Cloud IT Services
In our daily routine we use this cloud service without our notice like web-based email service, watching movies through the internet, editing documents, storing pictures etc uses cloud computing on the back-end. Using such cloud technology we can design and create new applications, store and recover data, hosting the websites etc.
Generally, cloud computing services are categorized into three types.
1-Infrastructure as a Service (IaaS): This service provides the infrastructure like Servers, Operating Systems, Virtual Machines, Networks, and Storage etc on rent basis.
Eg: Amazon Web Service, Microsoft Azure
2-Platform as a Service (PaaS): This service is used in developing, testing and maintaining of software. PaaS is same as IaaS but also provides the additional tools like DBMS, BI services etc.
Eg: Apprenda, Red Hat OpenShift
3-Software as a Service (SaaS): This service makes the users connect to the applications through Internet on a subscription basis.
Eg: Google Applications, Salesforce
Below mentioned are the top Cloud Computing Companies