What technology is used in network expansion ?
The text describes various technologies and techniques used in network expansion to increase capacity and coverage, including fiber optics, wireless technologies, software-defined networking (SDN), network function virtualization (NFV), cloud computing, edge computing, network automation and orchestration, multiprotocol label switching (MPLS), cable modems and DSL technology, and submarine cables. Each technology is described in terms of its benefits and how it contributes to network expansion.