Cloud Computing is a general term used to describe a new class of network based computing that takes place over the Internet, -basically a step on from Utility Computing -a collection/group of integrated and networked hardware, software and Internet infrastructure (called a platform). The hardware and software services are available to general public, enterprises, corporations and businesses markets. TYPES OF CLOUD: There are different types of clouds that you can subscribe to depending on your needs. As a home user or small business owner, you will most likely use public cloud services. 1.public 2.hybrid 3.community 4.private PURPOSE AND BENEFITS -Cloud computing enables companies and applications, which are system infrastructure dependent, to be infrastructure-less. -By using the Cloud infrastructure on “pay as used and on demand”, all of us can save in capital and operational investment! -Clients can: Put their data on the platform instead of on their own desktop PCs and/or on their own servers. They can put their applications on the cloud and use the servers within the cloud to do processing and data manipulations etc. Features of Cloud Computing • Cost • Agility • Security • Reliability • Scalability • Availability • Performance • Device and Location Independence Cloud Computing Service Providers • Amazon • App Nexus • Google AppEngine • Go Grid • Microsoft Windows Azure • Rack Space Conclusion The cloud provides many options for the everyday computer user as well as large and small businesses. It opens up the world of computing to a broader range of uses and increases the ease of use by giving access through any internet connection. However, with this increased ease also come drawbacks. You have less control over who has access to your information and little to no knowledge of where it is stored. You also must be aware of the security risks of having data stored on the cloud. The cloud is a big target for malicious individuals and may have disadvantages because it can be accessed through an unsecured internet connection.

1. Cloud Computing
-Ashita Agrawal

2. What is Cloud Computing?
 Cloud Computing is a general term used to describe a new
class of network based computing that takes place over the
Internet,
basically a step on from Utility Computing
a collection/group of integrated and networked hardware,
software and Internet infrastructure (called a platform).
 The hardware and software services are available to
general public, enterprises, corporations and businesses
markets

3. What is Cloud Computing?

4. Types of Cloud.
There are different types of clouds that you can
subscribe to depending on your needs. As a home user
or small business owner, you will most likely use
public cloud services.

6. What is the purpose and benefits?
 Cloud computing enables companies and
applications, which are system infrastructure
dependent, to be infrastructure-less.
 By using the Cloud infrastructure on “pay as used and
on demand”, all of us can save in capital and
operational investment!
 Clients can:
Put their data on the platform instead of on their own
desktop PCs and/or on their own servers.
They can put their applications on the cloud and use the
servers within the cloud to do processing and data
manipulations etc. 6

7. Cloud Architecture
7

8. Cloud Computing Characteristics
Common Characteristics:
Low Cost Software
Virtualization Service Orientation
Advanced Security
Homogeneity
Massive Scale Resilient Computing
Geographic Distribution
Essential Characteristics:
Resource Pooling
Broad Network Access Rapid Elasticity
Measured Service
On Demand Self-Service

9. Cloud Service Models
9
Software as a
Service (SaaS)
Platform as a
Service (PaaS)
Infrastructure as a
Service (IaaS)
Google
App
Engine
SalesForce CRM
LotusLive
Adopted from: Effectively and Securely Using the Cloud Computing Paradigm by peter Mell, Tim
Grance

10. Different Cloud Computing Layers
10
Application Service
(SaaS)
Application Platform
Server Platform
Storage Platform Amazon S3, Dell, Apple, ...
3Tera, EC2, SliceHost,
GoGrid, RightScale, Linode
Google App Engine, Mosso,
Force.com, Engine Yard,
Facebook, Heroku, AWS
MS Live/ExchangeLabs, IBM,
Google Apps; Salesforce.com
Quicken Online, Zoho, Cisco

11. Cloud Summary
 Cloud computing is an umbrella term used to refer to
Internet based development and services
 A number of characteristics define cloud data,
applications services and infrastructure:
Remotely hosted: Services or data are hosted on remote
infrastructure.
Ubiquitous: Services or data are available from
anywhere.
Commodified: The result is a utility computing model
similar to traditional that of traditional utilities, like gas
and electricity - you pay for what you would want!

12. Some Commercial Cloud Offerings
12

13. Conclusion
The cloud provides many options for the everyday
computer user as well as large and small businesses. It
opens up the world of computing to a broader range of
uses and increases the ease of use by giving access
through any internet connection.
However, with this increased ease also come drawbacks.
You have less control over who has access to your
information and little to no knowledge of where it is
stored.
You also must be aware of the security risks of having
data stored on the cloud. The cloud is a big target for
malicious individuals and may have disadvantages
because it can be accessed through an unsecured internet
connection.