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Buffer Bloat causing disconnections ? 108864638

alanscarter
Newbie
Posts: 8
Registered: 31-07-2015

Buffer Bloat causing disconnections ? 108864638

I have been complaining about regular disconnections and lag since changing to Plusnet in July and now we are going around in circles again trying to get it working.
My main complaint was good DSL Speeds with regular disconnections and lag making my PC and browser slow and jerky. So it looks great on test, until you consider the Latency results.
I changed all the DSL Filters with no improvement, connected to the Test Socket with no improvement and have fitted a Mk3 ADSL Faceplate with no improvement because my speeds were always good. The regular disconnections still occur with whatever line profile, so there appears to be no reason to cap my upload at 0.34 Mb/s when it ran well at over 1.0 mb/s with BT but with Plusnet it is very laggy.
I realise there is an outstanding ticket question 108864638 on my account but it seems to me as if this problem isn't going to go away by just changing line profiles and waiting for results.
If it's high ping or latency caused by high buffering from the Router to the ISP then perhaps the Router Firmware should be upgraded to correct the packet buffering problem and so stop time outs and perhaps disconnections during peak time ?
So why should my line speed be reduced to allow the Plusnet service to operate correctly when it ran fine with BT at a speed better than some Fibre and with low lag.  Could this be a problem caused by the very recent upgrade of my cabinet to Fibre which has coincided with my move from BT, the line test ok.
Should I go back to BT or try Plusnet Fibre because these results good at first glance but performance is not. This lag is very high with 0.34 mb/s but even with Plusnet running at 1.0 mb/s it was poor.
Problem is the Bufferbloat Grade of F,  4760 ms lag,  average on upload

<a href="http://www.dslreports.com/speedtest/1092231">
<img src="http://www.dslreports.com/speedtest/1092231.png"></a>