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India's Reliance Jio is blazing a trail to all-IP mobile networks

Stephen Lawson | March 2, 2017
Having a new, fully IP-based network has helped the carrier quickly grow to 100 million subscribers

“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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