https://www.boulderdsl.com/tags/internet/Recent content in Internet on BoulderDsl.comHugo -- gohugo.ioenBoulderDsl.comThu, 02 Jul 2026 00:00:00 +0000https://www.boulderdsl.com/post/boulder-internet-reliability-outages-comcast-vs-centurylink/Thu, 02 Jul 2026 00:00:00 +0000https://www.boulderdsl.com/post/boulder-internet-reliability-outages-comcast-vs-centurylink/ <p>The technology running under your neighborhood street determines more about your internet's reliability than the plan name on your monthly bill. <a href="https://www.xfinity.com/local/co/boulder">Xfinity</a> (Comcast's residential brand) and <a href="https://www.centurylink.com/local/co/boulder/internet-service">CenturyLink</a> both reach significant portions of Boulder, but they do so over fundamentally different physical infrastructure — DOCSIS 3.1 coaxial cable for Xfinity, and aging copper telephone lines for CenturyLink DSL. That infrastructure gap shapes not just their speed ceilings but the specific conditions under which each service degrades. The failure modes are not equivalent, and knowing which one applies to your address changes how you plan around it.</p>