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High Availability

High availability (HA) is a state of continuous operation in a computer system or IT component for a specified length of time. High availability may also refer to an agreed […]

High-Performance Computing

High Performance Computing (HPC) is the IT practice of aggregating computing power to deliver more performance than a typical computer can provide. Originally used to solve complex scientific and engineering […]

Hybrid Cloud

Hybrid cloud (also called multi-cloud or mixed cloud) is a type of cloud computing that combines public and private clouds, with integration, management and orchestration between the public and private […]

Hyper-Converged Architecture

Hyper-converged infrastructure (HCI) is a software-centric architecture that integrates storage, computing and virtualization resources in a single system that can run on off-the-shelf server hardware. It virtualizes the elements that […]


A hypervisor is a program that separates a computer’s operating system and applications from the underlying physical hardware. Using hypervisors to separate software from hardware enables virtualization and cloud computing […]