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”.
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.
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.