Which is the core technology behind "cloud computing"?

The core technology behind cloud computing is virtualization. Virtualization allows for the creation of virtual versions of physical devices or resources, such as servers, storage, and networks. This technology enables multiple virtual instances to run on a single physical machine, maximizing resource utilization and flexibility.

In cloud computing, virtualization plays a crucial role in providing scalable and efficient service delivery. It allows cloud providers to allocate resources dynamically, create isolated environments for different users, and offer services on a pay-as-you-go basis. This not only optimizes the use of hardware but also enhances the ability to deliver services rapidly without the need for significant physical infrastructure investments.

While HTTP is a protocol used for transferring data over the web, it is not fundamental to the architecture of cloud computing itself. Thin clients refer to lightweight computing devices that rely on a server for processing power, which can be utilized in cloud environments but is not the core technology that drives cloud computing. Remote Desktop technology allows users to access their computers from remote locations but does not encompass the broader infrastructure that cloud computing represents. Hence, virtualization is the essential component that underlies the architecture and scalability of cloud services.