cloud computing
DESCRIPTION
A Small Presentation about Cloud ComputingTRANSCRIPT
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LOGO
Cloud ComputingCloud Computing
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What is cloud computing?
Cloud computing is a technology that uses the internet and
central remote servers to maintain data and applications.
Much more efficient computing by centralizing storage,
memory, processing and bandwidth.
Cloud computing is a general term for anything that involves
delivering hosted services over the Internet.
The name cloud computing was inspired by the cloud symbol
that's often used to represent the Internet in flowcharts and
diagrams.
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Example :
A simple example of cloud computing is Yahoo email or Gmail
etc. You dont need a software or a server to use them. All a
consumer would need is just an internet connection and you
can start sending emails. The server and email management
software is all on the cloud ( internet) and is totally managed
by the cloud service provider Yahoo , Google etc. The
consumer gets to use the software alone and enjoy the benefits.
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Analogy :
‘If you only need milk , will you buy a cow ?’ All the users
or consumers need is to get the benefits of using the software
or hardware of the computer like sending emails etc. Just to get
this benefit (milk) why should a consumer buy a (cow)
software /hardware ?
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Cloud Computing Fig. 1
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Cloud Computing Fig. 2
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Cloud Architecture (1)
Typically involves multiple cloud components communicating
with each other over application programming interfaces,
usually web services.
Front end includes the client’s network (or computer) and the
applications used to access the cloud via a user interface such
as a web browser.
The back end of the cloud computing architecture is the
‘cloud’ itself, comprising various computers, servers and data
storage devices.
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Cloud Architecture (2)
Cloud Computing Sample Architecture
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Cloud Computing : Services (1)
Infrastructure-as-a-Service (IaaS)
• A service offering to provide elastic renting of computing
resources.
Platform-as-a-Service (PaaS)
• A service offering to provide an application development and
hosting platform.
Software-as-a-Service (SaaS)
• A service offering to provide various software applications.
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Cloud Computing : Services (2)
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Cloud Computing: Key Features (1)
Agility improves with users' ability to rapidly and
inexpensively re-provision technological infrastructure
resources.
API accessibility to software that enables machines to interact
with cloud software.
Device and location independence.
Multi-tenancy enables sharing of resources and costs across a
large pool of users.
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Cloud Computing: Key Features (2)
Reliability is improved if multiple redundant sites are used,
which makes well designed cloud computing suitable
for business continuity and disaster recovery.
Scalability via dynamic ("on-demand") provisioning of
resources on a fine-grained, self-service basis near real-time,
without users having to engineer for peak loads.
Maintenance of cloud computing applications is easier, since
they don't have to be installed on each user's computer.
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Cloud Computing: Key Features (3)
Security could improve due to centralization of data, increased
security-focused resources, etc., but concerns can persist about
loss of control over certain sensitive data, and the lack of
security for stored kernels.
Metering means that cloud computing resources usage should
be measurable and should be metered per client and
application on a daily, weekly, monthly, and yearly basis.
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Who is on the cloud ??????????
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Cloud Computing:”it is the future”
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Interesting Facts
Despite cloud computing being in the media spotlight, only a
minority of respondents (5%) say that they use it "a lot" and
less than a quarter of those surveyed (19%) reveal that they
only use cloud computing sparingly. Almost half of
respondents (47%) admit that their company doesn’t use cloud
computing with the remaining 29% conceding that they “don’t
know” whether their organisation uses it or not.
Still there is a "CLOUD CONFUSION" amongst 41% of IT
professionals.
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Conclusion
Finally, cloud apps don’t eat up your valuable IT resources.
This lets you focus on deploying more apps, new projects, and
innovation.
The bottom line: Cloud computing is a simple idea, but it can
have a huge impact on your business.
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Thank You