Experience may vary according to your area, i had faced some downtime initially for 2 months post installation due to some construction work. But they would always repair the cables within 1-2 hours after the fiber cut. But since then it's almost a year now and i never faced any downtime. For me they are very reliable no packet loss, pings are great, no speed loss. But as i said the experience may vary for others. You will not know unless you get it installed or try it through someone who already has it installed in your area.