Cloud computing is the delivery of computing and storage capacity as a service to end-users. It provides infrastructure (IaaS), platforms (PaaS), and software (SaaS) as services through a cloud delivery model. Common examples of cloud services include Amazon EC2 for IaaS, Windows Azure for PaaS, and Google Apps for SaaS.

1. Cloud
Computing

2. What is Cloud Computing?
• Cloud computing is the delivery
of computing and storage capacity as
a service to a community of end-
recipients.

3. Cloud Computing

4. Cloud Stacks

5. IaaS(Infrastructure as a Service)
• Base Layer
• Virtualization
• Ex: Amazon EC2

6. PaaS(Platform as a Service)
• Delivered in web
• No download of Software
• Web browser
• Ex: Windows Azure

7. SaaS(Software as a Service)
• Top Layer
• Directly consumed by user
• Small & Mid Sized Business
• Pay as you use
• Ex: Google Apps

8. Some Cloud Storage Areas