Some interesting (I think ) variations in SamKnows whitebox speed tests - which run hourly from 18:00 to 00:00, plus 04:00, 10:00 and 16:00. The three largest spikes on downstream are at 21:00, with the next largest at 10:00, then 19:00 and 21:00. Nothing happening at about 21:00 in house that I can think of Upstream looks a mess, but there's less than 400kbps variation. Compared with ADSL2 (not 2+ and 4.5km vs 130m) even the worst case figures are nearly 11x download and over 37x up Phil
Plusnet Fibre (Sep 2014), Essentials (Feb 2013); ADSL (Apr 2009); Customer since Jan 2004 (on 28kb dial-up) Using a TP-Link TD-W9980 modem-router.