1. Cloud Computing Cloud computing: (the Internet represents the Cloud).
The is the platform for computing. Rather than running software on a local computer or server, Internet users reach to the “cloud” to combine software applications, data storage and massive computing power.
Anything that you do over the Internet that you used to do on a local computer is a form of cloud computing.
Applications run off of Internet servers.
Data is stored on Internet servers
Cloud Computing is based on 3 models
Infrastructure-as-a-service
Platform-as-a-service
Software-as-a-service

2. Infrastructure-as-a-service
Infrastructure to run software and store data
Servers, networks, storage capacity
Servers remotely accessible.
Platform-as-a-service
Platforms to run existing applications and to develop and test new custom applications.
Software-as-a-service
The is licensed to customers as a , using a model or subscription model (like monthly subscription)
Applications rather than on the desktop.
Desktop-as-a-service where your desktop applications .

3. A Web Services: the recognized leader of cloud computing
Personal Cloud Computing
Dropbox
Google Docs
iCloud
Microsoft Office 365
Google Drive

4. Benefits of Cloud Computing
Reduced hardware and software costs
Someone else , you don’t have upfront costs
Someone else provides the hardware, software, training, support services, help desk, trouble shooting, security and upgrades
Easy to switch to another provider if you are unhappy
Pay only for what you use.
Quick access to new upgrades (and upgrades happen on the server, rather than on the end-user desktops)
Interface to applications is typically (IE, FireFox, Safari, etc.)
What is Cloud Computing?