3. Cloud Computing is a general term used to describe a new class
of network based computing that takes place over the Internet,
•Cloud computing refers to on demand delivery of it resources
via the internet with pay as you go process.
•Using the Internet for communication and transport provides
hardware, software and networking services to clients
•Cloud computing is a platform as well as a software
application.
4. Who invented”Cloud computing”??
12/2/2016
There is no sole inventor .
John McCarthy however opined
"computation may someday be
organized as a public utility”.
Massive development took place in the
90’s.
5. Who introduced it??
Salesforce.com in 1999.
Delivered enterprise applications via a simple website
Amazon Web Services in 2002.
Provided a suite of cloud-based services including storage,
computation and even human intelligence through the
Amazon mechanical trunk
6. How??
On supply and demand basis.
This “supply and demand” stuff is nothing but
“cloud computing”.
8. Cloud computing provides the following services
Infrastructure as a service.
IAAS
Platform as a service.
PAAS
Software as a service.
SAAS
9. Infrastructure as a service (IAAS)
Provides infrastructure for
individuals and
companies
It mainly provide
Storage(data base)
Servers(physical and
virtual)
Maintenance
Companies offering IAAS
through cloud
computing
Amazon
GOGRID
Sun
B-Hive
12/2/2016
10. Different fields in IAAS
Private hosting
Dedicated
hosting
Hybrid hosting Cloud hosting
IAAS
11. Platform as a service(PAAS)
Provides environment and set of tools for creating new
online apps.
Users can create their own apps using coding languages
Google app engine
Microsoft azure platform
Sales force-”force.com”.
Companies offering PAAS
12. Software as a service(SAAS)
Features of SAAS Companies offering SAAS
Free or paid via subscription.
Accessible from any
computer.
Facilitates collaborative
working.
Google
Microsoft
Apple
12/2/2016
13. Pros
Cost Efficient .
Almost Unlimited Storage .
Backup and Recovery.
Automatic Software Integration .
Easy Access to Information.
Quick Deployment .
Facilitates accesses from
any computer.
14. Cons
Technical Issues
Security in the Cloud
Prone to Attack .
Risk of vendor lock in.
Limitation of languages and tools.
Generic apps are not always useful for business use.