Under its new Domain 2.0 plan, AT&T will encourage its suppliers to embrace software-defined networking technologies rather than spending on networking hardware, Scott Moritz writes. "The difference is like if Mercedes said they were building a hybrid car versus Mercedes saying all their cars will be hybrids in five years," IGR analyst Iain Gillott said. The plan will also see AT&T continue to reduce its roster of suppliers, which include Alcatel-Lucent and Cisco Systems, Moritz writes.

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