We signed up for the a CenturyLink fiber trial in December. This is fiber to the house. They provided a stock CL modem that hooked up via ethernet to their optical network terminal. This is a single point ethernet breakout which provides their IP based television service as well standard data connectivity.
First, we didn't care about the TV service but it was cheaper to go with it as part of the bundle. It never worked. This was never resolved, but not the reason we switched back to comcast.
We popped for the 100Mbs connectivity. The fiber can deliver up to 1Gbs. It's limited based purely on what you pay for.
I tested using multiple speed testing sites as well as iperf to dedicated servers, etc. Speeds were HIGHLY variable. Most of the time we were seeing real throughput of around 60-70Mbs. I could live with that if it weren't for the video issues detailed below.
For the first several days I saw random slow downs where effective bandwidth would be SUB 10Mbs. Rebooting the ONT fiber termination unit usuall