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Software-Defined Everything (SDE) refers to various systems controlled by advanced software programs and constructed in a virtual, versus physical, hardware space.
SDE may be explained as several technologies under one umbrella. For example, Software-Defined Networking (SDN) involves the creation of virtualized networks, where physical hardware is replaced by a sophisticated software system. A Software-Defined Data Center (SDDC) uses virtualization techniques to construct a data center. Software-Defined Storage (SDS) involves replacing a distributed hardware system with virtual storage systems.
SDE also is a comprehensive idea based on new applications of technology. SDE has been called the "next big thing," as SDE systems can be used to provide fully virtualized IT systems. With tools like hypervisors, virtual machines (VM) and virtual storage media, network pioneers move closer to the SDE concept as a basic physical hardware footprint.