Category Archives: fttn

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

Posted in at&t, broadband, cmts, comcast, docsis, fttn, hfc,, uverse, vdsl, xfinity | Leave a comment