Cloud computing provides on-demand access to shared computing resources like networks, servers, storage, applications and services over the internet. It delivers infrastructure, platforms and software as a service. While John McCarthy envisioned utility computing, massive development occurred in the 1990s. Salesforce.com launched in 1999 and Amazon Web Services in 2002 were early providers. Infrastructure as a service provides virtual servers and storage, platform as a service offers development tools, and software as a service allows using online apps.

1. P.SRAVANI
14KT1A0585

2. Need of cloud computing

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”??
John McCarthy however opined "computation
may someday be organized as a public
utility”.
Massive development took place in the 90’s.
There is no sole inventor.

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.  Amazon Elastic Compute cloud (EC2/S3) (2006) was the first
widely accessible cloud computing infrastructure service.
 Another big milestone came in 2009, as Web 2.0.

7. How??
On supply and demand basis.
This “supply and demand” stuff is nothing but
“cloud computing”.

8. Well……,What did they
actually deliver??
 They delivered ….computing to every individual user.

9. So, what is cloud computing
actually???
Let me explain….

10. Cloud computing provides the following services
 Infrastructure as a service.
 IAAS
 Platform as a service.
 PAAS
 Software as a service.
 SAAS

11. Infrastructure as a service (IAAS)
It mainly provides:
 Servers(physical and virtual)
 Storage(data base)
 Maintenance
Provides infrastructure for individuals and companies.

12. Companies offering IAAS through cloud computing
 Amazon
 GOGRID
 Go grid

13.  Sun
B-hive

14. Different fields in IAAS
Private hosting
Dedicated
hosting
Hybrid hosting Cloud hosting
IAAS

15.  Secure and safe
 Private cloud
 Specific number of servers
Dedicated hosting
 Supply and demand.
Private hosting

16.  Physical and virtual servers are hired and used.
 Hourly basis usage of virtual servers by users.
Hybrid hosting
Cloud hosting

17. 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

18. Software as a service (SAAS)
Features of SAAS
 Free or paid via subscription
 Accessible from any computer
 Facilitates collaborative working
Allows user to run existing online apps

19. Companies offering SAAS
 Google
 Microsoft
 Apple
Online documentation, spreadsheet, ppt.
Photo editors
 Aviary
 Pixlr
 Jaycut

20. Pros
 Cost Efficient .
 Almost Unlimited Storage .
 Backup and Recovery.
 Automatic Software Integration .
 Easy Access to Information.
 Quick Deployment .
 Facilitates accesses from
any computer.

21.  Rapid development at low rate.
 Pay as you use.
 Efficiency in providing services to vendors.
 Smart phone apps.
 Google goggles.
 Google translate.
 visual search.

22. 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.

23. conclusion

24. Any queries?

25. Thank you