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Cloud computing is a method or technique which is helpful to gather the related data over the internet as a source. Cloud Computing is an effective, reliable and a cost control online computing. It allows us to use and store the information and programs for different purposes. It works as an intangible medium where we need not to have the hard drives for the storage of different programs and required information.
Software as a Service (SaaS)
SaaS stands for Software as a service or it can be treated as (B2B) Business to Business. On the demand of a user the licensing and delivery of the software is provided to the user as a service on subscription. On the demand of the user the software is being provided in cloud computing to manage their work process. With a internet connection the SaaS facility can be available.
Examples of SaaS products : Google Apps, Sales Force, Marketo, Workday, Citrix GoToMeeting.
Short glance on its products Google Drive and G-mail are the product of google Apps which is trending and widely used by it’s users. It is used to store the data online instead of storing in a hard disk of a computer. The data can easily be accessible by the user and he also can allow others to use the same data for sharing purpose and also with the features of maintaining high security and storing the necessary data
Platform as a Service (PaaS)
PaaS is a category of cloud computing which allows customers to develop and manage the application without creating any infrastructure which is needed to manage the web applications, its development and introducing apps in the market.
Examples of PaaS : AWS Elastic Beanstalk, Apache Stratos, Google App Engine, Windows Azure.
Infrastructure as a Service
It is a kind of cloud computing that provides computing infrastructure resources over the internet. It allows users to use virtual machines, servers, storage and network on the basis of required consumption.
Iaas Example: Amazon Web Services (AWS), Cisco Metapod, Microsoft Azure, Google Compute Engine (GCE).
The cloud computing products can be easily accessed by the user from anywhere. The users can develop, modify and run the internet based applications with an internet connection. It creates an useful medium to work effectively.