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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 Nodes Becoming a Choke Point

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.)

About the Author(s)

Brian Santo

Senior editor, Test & Measurement / Components, Light Reading

Santo joined Light Reading on September 14, 2015, with a mission to turn the test & measurement and components sectors upside down and then see what falls out, photograph the debris and then write about it in a manner befitting his vast experience. That experience includes more than nine years at video and broadband industry publication CED, where he was editor-in-chief until May 2015. He previously worked as an analyst at SNL Kagan, as Technology Editor of Cable World and held various editorial roles at Electronic Engineering Times, IEEE Spectrum and Electronic News. Santo has also made and sold bedroom furniture, which is not directly relevant to his role at Light Reading but which has already earned him the nickname 'Cribmaster.'

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