Comcast starts testing gigabit internet service in Chicago

Comcast says it's begun offering gigabit internet service in the Chicago metropolitan area as part of a multi-city trial period. This follows the telecom’s ongoing gigabit tests in Atlanta and Nashville, which both started earlier this year. Comcast is delivering the 1Gbps speeds by relying on DOCSIS 3.1, a new modem standard for transmitting data through traditional coaxial cable lines that is in some situations even faster than fiber optic cables. This means Comcast doesn&rsquo