Comcast offering DOCSIS 3.1

January 24, 2017 – Comcast Business today announced it has begun offering DOCSIS 3.1-based internet service to business customers in its Atlanta, Chicago, Detroit and Nashville service areas. “Business Internet 1 Gig” and “Business Internet 500” speed tiers are now available to thousands of business customers in these Comcast service areas using the company’s existing network, without costly and disruptive construction of new network facilities.