Cloud Computing

By : Ahsan Aziz Abbasi

Introduction:-

Cloud computing is a marketing term for technology

End - user do not require any knowledge regarding system

It gives ease-of-access to remote computing sites provided by the Internet

Users can access and use facilities through a web browser

Simply we can say cloud computing the delivery of computing as a service rather than a product

Why Cloud Computing????

Characteristics:-

Security focused

Empowerment of end-user

Application programming interface (API)

Cost efficient

Agility of infrastructure

Multi-tenancy of resources

Reliability improved

Scalability and Elasticity of resources

Performance monitoring

Layers:-

1. Cloud Infrastructure

2. Cloud Service

3. Cloud Platform

4. Cloud Storage

In this architecture you use a complete application running on someone else's system

In this architecture you're buying access to raw computing hardware over the Net, such as servers or storage.

Infrastructure as a Service (IaaS)1 Software as a

Service (SaaS)2 Platform as a Service (PaaS)3

Types of Cloud Computing Model:-

In this you develop applications using Web-based tools so they run on systems software and hardware provided by another company.

Cloud computing allows you to buy in only the services you want

Avoid equipment going out of date

It's really quick and easy to add new applications or services to your business

A physical storage center is no longer needed.

Relieves burden on IT Professionals and frees up their time in the office

Easily scalable

Access your data at all times

Advantages:-

Disadvantages:-

× Lost control comes with handing over your data and information

× Depending on third-party to ensure the security and confidentiality of data and information

× If your cloud host disappears, where does your information go?

× Not applicable for small business

× If you're using software as a service you need a reliable, high-speed, broadband Internet connection functioning the whole time you're working.

Conclusion:-

Final Overview:-

There are some strong technical security arguments in favor of Cloud Computing assuming we can find ways to manage the risks.

Disadvantages Advantages

References:-

How stuff workshttp://communication.howstuffworks.com/

Wikipediahttp://en.wikipedia.org\

Cloud security.org http://cloudsecurity.org

Advantages and Disadvantageshttp://www.cloudtweaks.com/2011/07/cloud-computing-advantages-disadvantages-infographic/

http://www.colocationamerica.com/dedicated_servers/advantages-and-disadvantages-of-cloud-computing.htm

Any Question??

Thank you!!

Please give your feedbacks at :

m_aa90@hotmail.com