If you’re obsessed with your video-gaming prowess, a new, free upgrade from Comcast should make you want to verify that you have the right modem for your Xfinity service. Comcast’s press ...

AT&T offers DSL and fiber internet with very high speeds while Xfinity internet is mostly available with coaxial cable. Only a few areas have access to Xfinity’s fiber network. Cable internet ...

Comcast is introducing the first customers in the world to a new, ultra-low lag connectivity experience. It’s of greatest ...

The key innovation behind Comcast’s low-latency Internet is an open standard called L4S (Low Latency, Low Loss, Scalable ...