3. Cloud computing is Internet-based computing, whereby shared resources, software, and information are provided to computers and other devices on demand. So, whatiscloudcomputing?
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6. Virtualization. The creation of a virtual version of something, such as an operating system, a server, a storage device or network resources. Service-OrientedArchitecture. A flexible set of design principles used during the phases of systems development and integration in computing. Utiliycomputing. Packaging of computing resources, such as computation, storage and services, as a metered service similar to a traditional public utility. This model has the advantage of a low or no initial cost to acquire computer resources; instead, computational resources are essentially rented - turning what was previously a need to purchase products (hardware, software and network bandwidth) into a service. It’s a natural evolution of…
7. Software as a Service (SaaS) Also known as Cloud Applications. Software on Demand. Examples: SalesForce, Googles Apps. Infrastructure as a Service (IaaS) Also known as Cloud Infrastructure. Delivers computer infrastructure as a service. Resources: servers, data-center space, network equipment. Examples: Amazon EC2. Platform as a Service (PaaS) Also known as Cloud platforms. Deliver a computing platform or solution stack as a service, often consuming cloud infrastructure and sustaining cloud applications. Databases, framework, web servers belongs to this category. Examples: Google App Engine, Force.com Cloud computingareas
