SPI FORM WORK

 SPI FORM WORK

SPI Stands for:

                           Cloud Computing is based on SPI Form Work.

1. SaaS-Software as a service.
2. PaaS-Platform as a service.
3. IaaS- Infrastructure as a service. 

• SAAS:

                     User can use the software with  subscription. There is no need to install software locally.

                     Applications can be used from authorized devices.

      Example;

1. Sales force.com
2. Google Apps-Gmail
3. office 365

• PaaS:                    

                     It Provides Software development environment to Programmers.

                     Programmers no need to worry about requited CPU/MOUSE/STORAGE he can focus on Software development & deployment.

      Example:

1. Google App Engine.
2. Force.com
3. Heroku
4. Azure

• IaaS:

                   It is also Known as (HAAS)-HARDWARE AS A SERVICE.

                   It Provides infrastructure Resources like CPU/MEMORY/STORAGE/NETWORK/

VIRTUAL MECHINES as a Service.

                  Service Providers are Responsible for Control/Management and Offering Security.

      Example:

1. AWS(Amazon Web Services) 
2. Data pipe
3. Go Grid