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Shan Flan

on 12 April 2014

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Transcript of IN THE CLOUD...

the internet
Group members
Sophia-Lee Dawkins-Levy

Sean Bowen

Nicola Mahon

Kwame Livermore

Shanae Flanigan

Presentation Outline

What is Cloud Computing?

Cloud Computing Models:
Software as a Service
Infrastructure as a Service
Platform as a Service

Disadvantages of Cloud Computing

In 1961 Computer Scientist John McCarthy said "computing may some day be organized as a public utility" (Garfinkel, 2011).

The introduction of VPN in the 1990s saw corporations embracing the utilization of technology over the Internet.

By the mid 2000s the term cloud computing was coined to represent this use of technology over the Internet.
What is Cloud Computing?
The storage of and access to data and programmes over the Internet as opposed to a computer's hard drive (Griffith, 2013).

It is a utility service giving customers access to technology resources managed by experts and available on demand.
Do I use Cloud Computing?
Software as a Service
Platform as a Service
Self Service
Cloud computing models
The Woman's Dilemma
The CIO's Dilemma
Shanae's Dilemma
The Woman's Dilemma
Multiple forms and procedures

Multiple Government Agencies

Multiple systems being updated by multiple users

Complex architecture
Software as a Service
User interfaces with the cloud service

Cloud service updates all required systems
The CIO's Dilemma
Natural disasters can destroy physical data centres

Data stored in the cloud is not
affected by natural disasters
Infrastructure as a Service
Company data is stored in the
cloud in a data recovery centre

Able to pay for only current
storage requirement

Flexibility to access more storage capacity when needed
Shanae's Dilemma
Provides on-demand Internet streaming media to viewers

Outranks cable TV in the US

Single largest contributor to Internet traffic

Biggest cloud app
Platform as a Service
Netflix is a cloud service on a cloud service

Netflix a PaaS is built on Amazon's IaaS
disadvantages of cloud computing
Data security risks

More elastic, less control

Level of customization is limited

Dependency on Internet connection
Cloud computing is like...
Traditional computing is like...
Despite the disadvantages mentioned cloud
computing is beneficial to both businesses and individuals and is the way forward.

Cloud computing has become a part of our everyday life and will be for the foreseeable future
Infrastructure as a Service
"Software as a Service (SaaS) is a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over a network, typically the Internet" (Rouse, 2010)
Infrastructure as a Service (IaaS) is the outsourcing of the equipment including storage, hardware, servers and networking components used to support operations.
Platform as a Service (PaaS) is a way to access technology resources over the Internet typically for the purpose of developing new application or testing new existing applications.
Traditional Computing
Cloud Computing
Easier administration
Facilitates easy maintenance
Ability to collaborate
Benefits of the SaaS Model:
Benefits of the IAAS Model:
Utility computing
Ability to scale to meet needs
Administrative tasks can be automated
Benefits of PaaS Model:
Off the shelf platforms readily available for use by individuals and organizations

Ability to test new features without impacting own resources
thank you!
Full transcript