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Cloud Computing

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Cloud Computing Cloud computing in simple terms is a technology that utilizes the web and remote servers to maintain data and applications. The simplest example of cloud computing is Gmail, yahoo mail, Google docs, and any other of the web based email and application providers. The cloud computing environment allows consumers and businesses alike to use applications and store data without any installations. The idea behind this technology is to allow for more efficient use of storage, memory, processing and bandwidth by using a centralized storage server. Cloud computing can be broken down into 3 categories, Infrastructure-as-a Service, Platform-as-a-Service, and Software-as-a-Service. Infrastructure-as-a-Service is a cloud model that allows an organization to outsource the equipment used for support. The service provider handles the storage, hardware, servers, and networks. All the client has to do is pay, usually on per-use basis. The Software-as-a-Service is a way for software to be distributed by a vendor who hosts the applications and makes the product s available over a network. Platform-as-a-Service is a method for renting, hardware, storage and operating systems. It could be thought of as an extension of the Software-as-a-Service model. Using PaaS allows the user to change operating system features, it also reduces the cost associated with the storage and implementing of operating systems. The argument against PaaS is that there is a risk of being locked in with a particular interface as well as there may not be enough flexibility of offerings for clients who are constantly evolving. There are two kinds of clouds public and private. A public cloud would like Amazon Web Services. These types of clouds can sell service to anyone over the internet. Where as a private cloud is specific to a certain group of people.

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