TBB Latency Graph People
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- Re: TBB Latency Graph People
TBB Latency Graph People
28-03-2014 4:20 PM
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We've just brought a new broadband network gateway online (PTW-BNG01). We've made some changes on the titanium queue on this gateway which we think might remove or reduce a bit of the peak time latency some people see on Thinkbroadband graphs. If anyone wants try and hop on to it (it may still show pte-ag01 in a traceroute as DNS changes are still being done) and show us your graphs over the weekend that would be appreciated.
Enterprise Architect - Network & OSS
Plusnet Technology
Re: TBB Latency Graph People
28-03-2014 4:48 PM
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Re: TBB Latency Graph People
28-03-2014 4:57 PM
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I have hopped across to the new gateway @ approx 16:40 on Friday.
richard@~ $ traceroute --resolve-hostnames www.plus.net
traceroute to portal.plus.net (212.159.9.2), 64 hops max
1 192.168.0.1 (192.168.0.1) 2.186ms 2.082ms 1.733ms
2 195.166.128.170 (lo0.10.central10.ptw-bng01.plus.net) 22.252ms 22.694ms 21.663ms
3 84.93.249.1 (irb.10.ptw-cr01.plus.net) 22.978ms 22.678ms 22.927ms
4 195.166.129.1 (ae1.pcl-cr01.plus.net) 22.317ms 22.477ms 36.802ms
5 195.166.129.41 (po2.pcl-gw01.plus.net) 22.265ms 24.349ms 22.635ms
6 84.93.224.48 (gi5-8.ptp-cr01.plus.net) 30.487ms 30.190ms 32.031ms
7 84.93.224.45 (vlan2658.ptp-elb02.plus.net) 31.991ms 31.645ms 31.008ms
8 212.159.9.2 (portal.plus.net) 30.338ms 30.488ms 31.730ms
TTB graph @ http://www.thinkbroadband.com/ping/share/bd5369f77cfa3aec137e749767fc2833.html
Richard
Re: TBB Latency Graph People
28-03-2014 5:01 PM
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"Which gateway" tool needs updating as well. It currently shows "Sorry, the tool currently could not identify your gateway; this does not mean that anything is wrong with your connection."
Re: TBB Latency Graph People
28-03-2014 5:52 PM
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Re: TBB Latency Graph People
28-03-2014 7:34 PM
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Traceroute to www.google.co.uk:
traceroute www.google.co.uk
traceroute to www.google.co.uk (173.194.34.120), 30 hops max, 60 byte packets
1 lo0.10.central10.ptw-bng01.plus.net (195.166.128.170) 13.325 ms 13.389 ms 13.367 ms
2 irb.10.ptw-cr01.plus.net (84.93.249.1) 13.399 ms 13.317 ms 13.699 ms
3 72.14.222.97 (72.14.222.97) 13.441 ms 72.14.223.32 (72.14.223.32) 13.677 ms 13.667 ms
4 209.85.252.188 (209.85.252.188) 13.671 ms 209.85.246.242 (209.85.246.242) 13.839 ms 13.764 ms
5 209.85.253.47 (209.85.253.47) 13.858 ms 14.516 ms 13.978 ms
6 lhr14s20-in-f24.1e100.net (173.194.34.120) 13.559 ms 13.784 ms 13.710 ms
Will see how it goes over the weekend.
Re: TBB Latency Graph People
28-03-2014 7:50 PM
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Quote Tracing route to bbc.co.uk [212.58.244.18]
over a maximum of 30 hops:
1 23 ms 87 ms 97 ms dsldevice.lan [192.168.1.254]
2 128 ms 25 ms 25 ms lo0-central10.ptw-ag02.plus.net [195.166.128.196]
3 174 ms 26 ms 26 ms link-a-central10.ptw-gw01.plus.net [212.159.2.148]
4 252 ms 25 ms 25 ms xe-0-2-0.ptw-cr01.plus.net [212.159.0.248]
5 25 ms 25 ms 26 ms kingston-gw.thdo.bbc.co.uk [212.58.239.6]
6 * * * Request timed out.
7 * * * Request timed out.
8 28 ms 26 ms 26 ms ae0.er01.telhc.bbc.co.uk [132.185.254.109]
9 26 ms 25 ms 26 ms 132.185.255.149
10 32 ms 24 ms 25 ms fmt-vip72.telhc.bbc.co.uk [212.58.244.18]
Trace complete.
Tracing route to bbc.co.uk [212.58.244.18]
over a maximum of 30 hops:
1 87 ms 95 ms 97 ms dsldevice.lan [192.168.1.254]
2 28 ms 27 ms 27 ms lo0.10.central10.ptw-bng01.plus.net [195.166.128.170]
3 27 ms 29 ms 27 ms irb.10.ptw-cr01.plus.net [84.93.249.1]
4 29 ms 29 ms 28 ms kingston-gw.thdo.bbc.co.uk [212.58.239.6]
5 * * * Request timed out.
6 * * * Request timed out.
7 31 ms 28 ms 28 ms ae0.er01.telhc.bbc.co.uk [132.185.254.109]
8 29 ms 29 ms 29 ms 132.185.255.149
9 28 ms 28 ms 28 ms fmt-vip72.telhc.bbc.co.uk [212.58.244.18]
Update:
Got kicked off around 2:30pm Saturday.
Re: TBB Latency Graph People
28-03-2014 8:38 PM
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Re: TBB Latency Graph People
28-03-2014 9:49 PM
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edit: tried to get back on it and can't, will try again tomorrow as I need my connection stable for next few hours
Re: TBB Latency Graph People
28-03-2014 10:55 PM
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Re: TBB Latency Graph People
29-03-2014 1:05 PM
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This graph was connected to the new gateway ptw-bng01 from midnight until 8.20am, then I disconnected and connected back to ptn-ag03, and then at around 12.45pm I reconnected to ptw-bng01.
My observations would be:
Better:
Background latency jitter seems reduced - the blue and yellow lines are pretty much invisible unless there is some activity from my end on the line.
My best-case ping outs from my router to pingbox1.thinkbroadband.com have dropped down to just under 8ms.
Maximum throughput on speedtest.net marginally increased for downstream.
Worse:
Local activity seems to have a more detrimental effect on ping traffic. At 8am on the ptw-bng01 I did a large couple of HTTP downloads - the effect of which can be seen. That is why I reconnected to the older gateway ptn-ag03 and did another test (this time a debian CD image torrent - around 12.30pm). Then at 12:45 downloaded some more debian torrent on the ptw-bng01 - you can see much taller spikes than with the old gateway.
Clearly different - don't know if it is better or not!
Re: TBB Latency Graph People
29-03-2014 4:58 PM
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Re: TBB Latency Graph People
29-03-2014 5:41 PM
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Re: TBB Latency Graph People
29-03-2014 6:09 PM
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For the time I was connected didn't notice any issues.
Re: TBB Latency Graph People
29-03-2014 6:51 PM
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Now on a pcl-ago3.
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- Re: TBB Latency Graph People