Category Archives: docsis

AT&T U-Verse vs. Comcast Xfinity

Technology used U-Verse: FTTN (Fiber-to-the Node) and VDSLComcast: DOCSIS (DataOver Cable Service Interface Specification) and HFC Diagram CMTS = Cable Modem Termination System  (usually at curbside of a neighborhood serving house) VRAD = Video-Ready Access Device (usually at curbside of … Continue reading

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