“Software-defined networking does not obviate the need for hardware,” Robbins said.
Virtualization and shutdown of legacy networks are hot topics in mobile these days. On Monday, T-Mobile USA Chief Technology Officer Neville Ray said he doesn’t want to be running 2G and 3G networks when he starts deploying 5G, probably around 2020. T-Mobile has also moved aggressively into VoLTE, so about two-thirds of its call volume is now packetized voice.
AT&T, a strong early proponent of software-defined networking, is promoting its own virtualized network OS as open source and recently decommissioned its 2G infrastructure.
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