Download - Cloud computing
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Sandeep Singh Saini
CLOUDCOMPUTING
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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.
Cloud computing allows consumers and businesses to use applications without installation and access their personal files at any computer with internet access.
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ExampleA simple example of cloud
computing is Yahoo mail, Gmail, or Hotmail etc.
You don’t 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.
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What it providescomputation, software, data access, and storage resources
without requiring cloud users to know the location and other details of the computing infrastructure.
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Cloud Computing Deployment Models
Models
Community Cloud
Public Cloud
Private Cloud
Hybrid Cloud
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Community CloudCommunity cloud shares infrastructure between several organizations from a specific community with common concerns (security, compliance, jurisdiction, etc.), whether managed internally or by a third-party and hosted internally or externally.
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Public CloudA public cloud is established where several organizations have similar requirements and seek to share infrastructure so as to realize some of the benefits of cloud computing.
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Private Cloud
Private cloud is infrastructure operated solely for a single organization, whether managed internally or by a third-party and hosted internally or externally.
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Hybrid CloudHybrid cloud is a composition of two or more clouds (private, community, or public) that remain unique entities but are bound together, offering the benefits of multiple deployment models.
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Cloud Computing ArchitectureThe architecture has two sections: the front
end and the back end. They connect to each other through
a network, usually the Internet. The front end is the side the computer user,
or client, sees. The back end is the "cloud" section of the
system.
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Front EndThe front end includes the
client's computer (or computer network) and the application required to access the cloud computing system.
Not all cloud computing systems have the same user interface. Services like Web-based e-mail programs leverage existing Web browsers like Internet Explorer or Firefox.
Other systems have unique applications that provide network access to clients.
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Back EndOn the back end of the system are the
various computers, servers and data storage systems that create the "cloud" of computing services.
In theory, a cloud computing system could include practically any computer program you can imagine, from data processing to video games. Usually, each application will have its own dedicated server.
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Services
Cloud Computing
Outsource processes
Online Storage
Online Office
Shared CalendarsOnline Resources
3rd Party integration
Online collaboration
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Cloud Computing ConcernsPerhaps the biggest concerns about cloud
computing are security and privacy. The idea of handing over important data to another company worries some people. Corporate executives might hesitate to take advantage of a cloud computing system because they can't keep their company's information under lock and key.
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Service Providers
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