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Cable Nodes Becoming a Choke PointCable Nodes Becoming a Choke Point
Some of the biggest cable companies are itching to perform essentially three upgrades at once, but the technology just isn't there. Yet.
Brian Santo
December 5, 2016
7 Min Read

Cable companies have been talking about a network architecture called node-plus-zero for several years, and finally some have begun deploying it, with Comcast and Cox leading the way. Node+0 is finally being deployed now because only recently did it become technologically and economically feasible, thanks to the introduction of a new generation of power amplifiers based on gallium nitride (GaN). (See Comcast Goes N+0 in Gigabit Markets and Cox Reveals Next Steps for D3.1, CCAP.)
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