We had something similar with Comcast in SF - 2 boxes and 1 dvr in the house, &#x27;50Mb&#x27; (I&#x27;ll leave that in quotes) down, 10&#x27;ish-maybe up.<p>When we first moved into our place last year, the internet was stable and worked well enough (I say well enough because the d&#x2F;l speed would fluctuate pretty consistently at night). Sometimes there was a hiccup, but overall, it worked.<p>Then this summer hit. No warning, no reasons, nothing - internet no longer stayed stable. It was all over the place. Some nights, 2mb down. So, you have to spend the time to talk to tech people since it&#x27;s late at night and the kids are asleep and you just don&#x27;t feel like getting on the phone to battle.<p>Got the usual excuses that service was being upgraded in the street, the line looked fine to them, it must be something on our end (that one&#x27;s always predictable). Annnd of course, a tech came out, twiddled and fiddled and discovered our signal was low. Weird that it just happened now and now when the second cable run was installed when we moved in.<p>Because my wife and I (sadly) work from home after hours, when you have no internet, you&#x27;re screwed. We weren&#x27;t watching tv anymore and when we did it was netflix or game of thrones or silicon valley - all watchable via hbo go. So, I switched to Sonic.net (the best isp in the bay area in my mind) and haven&#x27;t looked back.<p>Sure, we&#x27;re running over at&amp;t fiber (sigh) and capped at 50 down&#x2F;5 up (sigh), but it just works. We&#x27;re not running 50 one day, 80 another, 10 another and we&#x27;re paying about the same for internet as we were on Comcast.