Cloud computing provides massive computing resources that are dynamically allocated as needed from data centers via the internet. These virtualized resources can be accessed from any device with a web browser. Users do not need to know details of the physical infrastructure. Cloud resources are offered as an on-demand service consisting of large numbers of commodity servers that deliver scalable and reliable services.

1. What is Cloud Computing?
Massive computing resources, deployed among virtual datacenters,
dynamically allocated to specific users and tasks and accessed as a
service via an user interface (UI), such as a web browser.
The physical cloud resources may reside in a number of locations, the details of which
are not typically known to the service’s users.
Cloud resources are offered as a service on an as needed basis. The cloud itself
typically consists of large numbers of commodity-grade servers, harnessed to deliver
highly scalable and reliable on-demand services.

2. Why Cloud Computing?

3. Cloud Features & Benefits for Enterprises
 Highly virtualized and  Simplified, more efficient IT and
standardized infrastructures application management
 Massive scalability  Deliver more applications to
large number of users
 Fault tolerant & highly reliable  Excellent service quality
 Intra- & Inter-cloud load balance  Higher utilization at reduced cost
 Instant application deployment  Time-to-market

4. Cloud Features & Benefits for Users
 Highly virtualized and  No need to install or update SW
standardized infrastructures or HW; access from any browser
 Massive scalability  Unlimited use
 Fault tolerant & highly reliable  Always on
 Intra- & Inter-cloud load balance  Access from anywhere
 Instant application deployment  Many services to choose from

5. Cloud Technologies
Technology Key Feature What’s Missing
Grid Computing Job scheduling across many Difficult to administer;
machines Lacks broad applicability
of cloud computing
Virtualization Virtual machines decouple OS Fail to fundamentally
from hardware solve scale and reliability
IaaS Infrastructure- Computational infrastructure Lacks security , vertical
as-a-Service available for rent solutions,
SaaS Software-as-a- Application availability SaaS is an application on
Service through the cloud the cloud, not a cloud by
itself
Utility Computing Packaged computing, Describes a business
application, and storage sold model, not a technology
as a service or architecture

6. Cloud Computing Alliance
 Collaborative Partnership
 Leaders from Key Verticals
 Showcase to the World
 Secure Cloud Platform
 Instant Application Deployment

7. Cloud Applications