Cloud Computing Intro

Cloud Computing Intro

  7:38 PM    mayuravaani

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Cloud computing refers to storing and accessing data and  the programs over the internet.

Cloud computing models:

• SaaS
• PaaS
• IaaS

SaaS (Software as a Service)

• In this service the service provider provides software/ application to its clients. 
• The clients can access these software in any device which is connected to the internet using network applications such as web browser.

Eg: Google Applications (gmail, googledrive and googledocs etc), dropbox

PaaS (Platform as a Service)

• In this service the cloud provider gives the ability to the customer to deploy applications created by customer by programming languages, tools etc which are provided by cloud provider.
• It typically includes operating system, database, programming language execution environment, web server etc.

Eg: Google app Engine, Apache Stratos

IaaS (Infrastructure as a Service)

• In this service cloud provider provide the customer with virtual machines and the resources as the service they abstract the user from a physical machine, location, data partition etc.

Eg: aws (Amazon Web Service)

Deployment Models

• Public cloud
• Private cloud
• Hybrid cloud

Public cloud

Private cloud

Hybrid cloud