Archive For The “Cloud computing” Category

Virtual cloud computing

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Virtual cloud computing

There is no term like virtual cloud computing.The term really used is “virtual private cloud computing”. Virtual private cloud is a type of cloud computing which provides private cloud capability using the public cloud of service provider. So for customer cloud is private cloud but underlying implementation exist in public cloud. Virtual private cloud implementation…

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S3 bucket policy for group access AWS

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S3 bucket policy for group access AWS

Setting AWS permissions for buckets in S3 for groups. AWS cloud service has option to setup policy for buckets as well as for groups. There is one issue with setting up bucket permission policy.One can not define policy for a group as principle. Buckets policy permissions can be defined for user, roles etc etc but…

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Examples of cloud computing

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Examples of cloud computing

Cloud email Right now most of the organizations are using in-house email servers.But are these in-house email servers are worth investing? If organization wants to setup in-house email server they have to bear cost of Software,underlying hardware and resource cost to manage the server(24×7 admin). So it is capital investment. Company also has to make…

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Public Cloud

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Public Cloud

A cloud is called a “public cloud” when the services are rendered over a network that is open for public use.Public clouds are constructed using pooled shared physical resources, and accessible over a public network such as the internet. Public clouds, however, provide services to multiple clients using the same shared infrastructure.Generally, public cloud service…

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Private Cloud

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Private Cloud

Private cloud is meant for a particular organization, managed internally or by a third-party and hosted internally or externally.Undertaking a private cloud project requires a significant level and degree of engagement to virtualize the business environment, and requires the organization to reevaluate decisions about existing resources.For many organizations, building a private cloud is a high…

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Cloud Computing

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Cloud Computing

Cloud computing describes concepts that involve a large number of computers connected through a communication network such as the Internet.Cloud computing is a synonym for distributed computing over a network, and means the ability to run a program or application on many connected computers at the same time. Cloud is abstraction for set of servers…

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Infrastructure as a service (IaaS)

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Infrastructure as a service (IaaS)

Infrastructure as a service (IaaS) Infrastructure as a Service is a model in which an customer outsources infrastructure required.Vendor owns equipment and is responsible for housing, running and maintaining it.Providers of IaaS offer computers – physical or (more often) virtual machines – and other resources.IaaS clouds often offer additional resources such as a virtual-machine disk…

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Platform as a Service (PaaS)

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Platform as a Service (PaaS)

PaaS is a model for running applications without the trouble of maintaining the hardware and software infrastructure at your company.Platform as a service (PaaS) is a category of cloud computing services that provides a computing platform and a solution stack as a service.In this model, the consumer creates the software using tools and/or libraries from…

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Software as a service (SaaS)

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Software as a service referred to  “on-demand software” is a software delivery model in which software and associated data are centrally hosted on the cloud.So Application or Software is hosted on the remote servers and Customer’s employees can login into those remote server and use the application.Administration and maintenance is done by the provider.Its like…

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