Presentation gives a basic information or introduction about what is cloud computing, what are the different types & models of cloud computing available in the market, basic architecture of cloud, what are the concerns/points you should consider before going for cloud and who are the top cloud providers.

1. Introduction to Cloud Computing
By: Milind M. Koyande
Website: http://milindkoyande.com
eMail: milind@eitwebguru.com

2. Agenda
What we are talking about
Cloud Computing
History
Features
Models
Types
Architecture
Top Cloud Providers
Concerns

3. What we are talking about

4. Cloud Computing
Cloud computing is simply a buzzword used to repackage grid
computing and utility computing, both of which have existed for
decades.” -whatis.com
Cloud computing is a style of computing which must cater to the
following computing needs
Dynamism
Abstraction
Resource Sharing
Cloud computing is basically a centralized computing technology
which involves providing dynamically scalable and often virtualized
resources as a service over the Internet.
Cloud server hosting services are delivered from a cluster of
network connected servers.

5. 1960 1990
John McCarthy
opined that
"computation
may someday
be organized
as a public
utility"
The term
"cloud" is
used as a
metaphor for
the Internet
1999
Salesforce.com,
one of the first
movers in
cloud
computing
Amazon
Web
Service
was
launched
2002 2006
Google
brought cloud
computing to
the forefront
of public –
Google Docs
Amazon’s
Elastic
Compute
cloud
(EC2)
2008
Eucalyptus -
the first
open source
AWS API
compatible
platform
2009
Microsoft -
launch of
Windows
Azure
20112010
Many
Companies
entered in
Cloud
Computing
Services
History of Cloud Computing

6. Performance
Reliability
Scalability
SecurityMaintenance
Uptime
Service
Based Model
Cloud
Features

7. Types
IaaS
• Infrastructure as
a Service
• Computer
infrastructure
accessible via
the web
• Amazon Web
Services
• Rackspace Cloud
PaaS
• Platform as a
Service
• Development in
the cloud (web)
• Microsoft Azure
• Google App
Engine
SaaS
• Software as a
Service
• Application is
hosted by a
provider & is
accessible via
the Web
• Google Apps
• Sales Force
(CRM)

8. Storage
Servers
Networking
O/S
Middleware
Virtualization
Data
Applications
Runtime
Storage
Servers
Networking
O/S
Middleware
Virtualization
Applications
Runtime
Data
Storage
Servers
Networking
O/S
Middleware
Virtualization
Applications
Runtime
Data
Types
Infrastructure as a Service
IaaS
Platform as a Service
PaaS
Infrastructure as a Service
IaaS

9. Models

10. Architecture

11. Top Cloud Computing Providers
Infrastructure as a Service
IaaS
Platform as a Service
PaaS
Infrastructure as a Service
IaaS

12. Security
Upgrades
Control over Data
Concerns
Migrations
Network
Connections

13. Thank You
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