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Message 351 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

So yeah Basically when I watch a 4k Netflix stream it bursts at whatever bandwidth is available lets say 3.4MB/s until it loads about 10mins of the show, then it'll steadily download at about 300-400KB/s, yeah does stop downloading when it doesnt need too buffer anything, but it'll never ramp up to the full burst a second time.

yeah, Twitch is actual streaming, live and always @ 800KB/s to 1MB/s no stopping or slowing down.

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Message 352 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

Ok I've now done a load of testing with Twitch (which does seem to stream at a pretty constant speed, unlike Netflix for me) but I still can't conclusively say whether I have the same issue as you or not. It does seem to make my pings go a bit higher, which perhaps it shouldn't, but it doesn't seem to be enough to affect me, and nothing like the 100-200ms spikes that I get from Netflix and other download bursts.

But I've now got some screenshots to show what I'm trying to get at with the speedtest thing (I've just discovered the Android app has stored the graphs for all the previous tests I've done on my phone, which is very handy right now).

So first here's one from my laptop, with an Ethernet connection:

Speedtest 1.png

And an equivalent one from my phone (on 5GHz WiFi, near the router):

Speedtest 2.png

Same thing from a Plusnet connection which doesn't have the issue:

Speedtest 3.png

And finally here's one from the BT connection again, with EXACTLY the same setup as now, except that it was done last October (when there was no issue):

Speedtest 4.png

As you can see, in both of the last two screenshots the download speed jumps up to maximum pretty much straight away and continues in a straight line after that, whereas in the first two it starts lower and then ramps up (which happens quite suddenly when you're watching the speedtest live, but it smooths out the lines in the graph a bit). And the points where the speed ramps up tend to coincide with a high ping spike (or sometimes even complete packet loss) for me. So that's why I suspect it's related to the same issue as other people are seeing (and it's consistent with it starting around December).

So I would still find it very helpful if anyone else experiencing the issue could confirm whether or not they see the same behaviour/shape of download speed graph by doing a speedtest.

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Message 353 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix


As you can see, in both of the last two screenshots the download speed jumps up to maximum pretty much straight away and continues in a straight line after that, whereas in the first two it starts lower and then ramps up (which happens quite suddenly when you're watching the speedtest live, but it smooths out the lines in the graph a bit). And the points where the speed ramps up tend to coincide with a high ping spike (or sometimes even complete packet loss) for me. So that's why I suspect it's related to the same issue as other people are seeing (and it's consistent with it starting around December).

So I would still find it very helpful if anyone else experiencing the issue could confirm whether or not they see the same behaviour/shape of download speed graph by doing a speedtest.


I have the exact same issue. Been affecting me since March-ish this year. I recommend you use dslreports test in the future, it has a few more details like bufferbloat.

I'm connected via ethernet and I also have anti-bufferbloat 'cake' QoS active.

Here's a test I did five minutes ago. You can see that the slow startup of the download stops the QoS from working. When it reaches max speed the ping stays the same despite the downloading.

5ZXLZHE

 

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Message 354 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

Ok that is interesting... March is when I first noticed the issue as well (the low initial download bandwidth at least, I didn't realise the ping was spiking until more recently), although I possibly wasn't here enough to have noticed the issue between December-March anyway so it could have started at any point during that period.

Funny thing with the dslreports speedtest... I actually started using it last year, but for some reason fell back to just using speedtest.net (probably because of tending to just use the app on my phone). I've been trying to use it again recently, since discovering the issues on this connection, but been getting an error every time saying the download test hasn't received any data (or something similar). I'll have to see if I can figure out what's causing that.

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Message 355 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

As I've posted recently it would really help if everyone with this issue to post at the bottom of the linked thread.

I've spoken to someone at Bt in the last week who knows this is being looked into at last but it would help to keep the pressure on via this thread the one I've linked Bt twitter etc.

 

https://www.ispreview.co.uk/index.php/2019/08/customers-of-uk-isp-bt-see-multiplayer-lag-spikes-duri...

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1,134 Views
Message 356 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

mines in lets see if anything is done.

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1,094 Views
Message 357 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

BT said that they would be making some changes to my setup overnight so I thought I would run a quick test this morning.  Unfortunately the spikes are still there but not into the red as they previously were although that could just be a time of morning thing. 

Two noticeable differences were (1) the number of hops to the destination address was reduced and there was packet loss at a hop where there hadn't been before and (2) the speedtest result was better in that it pretty much shot straight up to maximum bandwidth rather than the usual low for a second or two then increasing. 

 

This image is from 20 August:

Ping Plotter - streaming.png

This is from this morning:

Pingplotter 23082019 0650.png

Speed test from 20 August - you can see the gradual incline of speed:

Speedtest - no streaming.png

Speedtest this morning was a lot quicker to settle at top speed:

Speedtest - no streaming 23082019 0650.PNG

I'll keep monitoring over the weekend and report any significant changes. 

 

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Message 358 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

Personally I'd use the same speedtest server when running the test,by those screenshots your ping almost doubled.

And I gather that test was with netflix running?

For me every time I've a video running  on Youtube or Netflix etc I get huge ping spikes always the same no matter what since December.

The screenshots I'll post are from this morning with one Youtube video running and only me using the internet so you can imagine how bad it gets when the whole family are using the internet streaming or even just watching Youtube.

I get ping spikes of over 250 when I'm gaming with someone watching Youtube!

Ping without videoPing without videoping with videoping with video

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1,073 Views
Message 359 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

@matthewuncle 

The BT hops do look good for you now, although you do get a spike on the suspect packet loss node that everyone has but I mean there's no way to tell if the ping starts there or at hop 2.

 

What happened (if anything) at the end of the second ping plotter results? Ping seems to be at a next to perfect level there. I'm gona guess it's just googles nodes getting it's ish togeather since your BT node hops Average and current pings are dead on.

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1,041 Views
Message 360 of 1,014

Re: Recent online gaming ping spikes when streaming Netflix

Here's my pingplotter to google uk btw, whilst connection is idle.

1dc28ts

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