Cloud Service Models

Software as a Service(SaaS)

A Service offering in which the tasks for providing and managing software and sotrage are undertaken completely by the vendor.

Ex. Google Apps, MS Office 365, iCloud.

 

 

 

 

 

 

 

 

 

Platform as a Service(PaaS)

A model that offers a platform on which software can be developed and deployed over the Internet.

 

 

 

 

 

 

 

 

 

Infrastructure as a Service(IaaS)

A service model that enables organizations to have direct access to their cloud-based servers and storage as they  would with traditional hardware.

 

References

Champman and Maymi, CompTIA CySA+ exam guild, Mc Graw Hill