Fifth-generation (5G) cellular promises gigabit speeds, single-digit-millisecond latencies and mission-critical reliability. To deliver on those promises, mobile operators and the companies that serve them need to take a fundamentally different approach to infrastructure.
The foundation for that new approach is software-defined networking (SDN) and network function virtualization (NFV), which enable a lot of radio access network (RAN) and evolved packet core (EPC) components to run on commercial off-the-shelf (COTS) IT gear such as servers.
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