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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 […]

Open Source

Open source describes software that can be inspected, modified and shared by anyone because its source code is publicly accessible. Source code is created by programmers to make software applications […]

Network Functions Virtualization (NFV)

Network Functions Virtualization (NFV) is a method of designing, deploying and managing virtualized computer networking services. Also called Virtual Network Function (VNF), it decouples network functions from proprietary hardware appliances […]

Scale-Up Growth

Scale up is a data storage growth method that increases the capacity of current resources. Scale up or vertical growth is an older growth method designed to leverage existing storage […]

Scale-Out Growth

Scale out is a data storage growth method that adds new resources (horizontal growth) rather than increasing the capacity of current resources (vertical growth or scale up). For example, in […]

Infrastructure as a Service

Infrastructure-as-a-Service (IaaS) is a form of cloud computing that provides virtualized IT resources over the Internet. IaaS is one of the main categories of cloud computing services, along with Software-as-a-Service […]


Scalability is the ability for IT systems – such as applications, storage, databases and networking – to continue to function properly when changed in size or volume. It often refers […]

Software-Defined Infrastructure

Software-defined infrastructure (SDI) combines software-defined compute (SDC), software-defined networking (SDN) and software defined storage (SDS) into a fully software-defined data center (SDDC). A software-defined data center is an IT facility where infrastructure […]

Software-Defined Networking

Software-defined networking (SDN) is a computer platform that creates a centralized and programmable logical network. Unlike conventional, hierarchical networks that rely on several vendor-specific devices and protocols for packet delivery, […]