What Is DOCSIS 4.0 (And When Will It Be Available?)
Do you have a cable modem? It’s using DOCSIS. If you’re curious when you’ll have faster cable internet thanks to DOCSIS 4.0—and when you’ll need to upgrade your cable modem—here’s what to expect and when.
United States Data Over Cable Service Interface Specification Rogers Communications Spectrum Internet Corbin Davenport Data Over Cable Service Interface
Source: howtogeek.com