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Software-defined networking for the future On the Edge
ADMIN Network & Security
|ADMIN #74: Software-Defined Networking
The history, technical underpinnings, and possible future standards of software-defined networking for 5G, IoT, and edge computing.
Networks can be virtualized, just like servers, storage, or entire data centers. The technology is based on developments at Stanford University, and today, the Open Networking Foundation is continuing the work with new projects. Proprietary implementations are also available from major vendors. The principle is always the same: The physical hardware and software are separated, and functions previously cast in hardware are implemented in the software. The rewards of software-defined networking (SDN) are greater flexibility and a loosening of vendor tie-in. Providers and enterprises need to design and leverage technologies (e.g., remote, mobile, cloud and Internet of Things (IoT), edge computing, virtual reality, containers, microservices, and service meshes) for flexibility. The idea is to provide connections or change quality of service (QoS) in minutes, rather than months. Users want additional functionality, such as enhanced security, on demand and only for specific data streams, time periods, or routes and no longer want to book and pay for these services combined.
SDN Layer Model
This story is from the ADMIN #74: Software-Defined Networking edition of ADMIN Network & Security.
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