Cloud Computing – Models, Architecture and Characteristics
Cloud Computing, often referred to as simply “the cloud”, is a distributed architecture that centralizes server resources on a scalable platform, enabling ubiquitous access to configurable resources and services. It provides storage and access for data over the internet instead of our computer’s hard drive. Leveraging the Internet, it provides unparalleled and distributed services based on virtualization and service-oriented architecture. Cloud is not another recent technology, but rather it can be described as a delivery model for information services using existing technologies. It does an excellent job of reducing the time spent on IT infrastructure and maintenance. Cloud presents itself as a ubiquitous, dynamically scalable, and on-demand model, that can be purchased on a ‘pay-as-you-go’ basis without any prior subscription or under/overprovisioning. Cloud Computing Models 1. Service-Based Models There are three delivery models that the cloud utilizes to provide different types of services are delivered to the end-user. All the Continue reading