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.
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
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)