DOCSIS

Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable television operators to provide cable Internet access over their existing hybrid fiber-coaxial (HFC) infrastructure.

DOCSIS was originally developed by CableLabs and contributing companies, including Broadcom, Comcast, Cox, General Instrument, Motorola, Terayon, and Time Warner Cable.

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