Latency on BNGs vs older gateways
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Latency on BNGs vs older gateways
06-08-2014 9:46 AM
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ptw-ag02
Quote --- bbc.co.uk ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 4.346/4.616/4.906/0.116 ms
ptn-bng01
Quote --- bbc.co.uk ping statistics ---
100 packets transmitted, 100 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 7.632/8.039/21.294/1.335 ms
I know I have a low ping response times generally and a few ms doesn't make a difference - but I am interesting if anyone on FTTC/ADSL sees the same.
I'm aware that our traffic can take different routes through the BT Wholesale 21CN network which will affect latency, but I can never get the same low ping times on the BNGs as I can on the older gateways.
Re: Latency on BNGs vs older gateways
06-08-2014 10:00 AM
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Re: Latency on BNGs vs older gateways
06-08-2014 10:05 AM
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Re: Latency on BNGs vs older gateways
06-08-2014 3:18 PM
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Re: Latency on BNGs vs older gateways
06-08-2014 3:23 PM
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I'm on ptw-bng01 currently and seeing no difference to other gateways for ping times. BQM is seeing more small red lines though.
Currently:-
Packets: Sent = 100, Received = 100, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 4ms, Maximum = 5ms, Average = 4ms
Re: Latency on BNGs vs older gateways
06-08-2014 3:40 PM
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but its fine on the older gateways
samsung 850evo 250gig , WD black 2 TB . Asus Phoebus sound ,
16 gig Avexir ram 2400 , water cooling Corsair H100i gtx ,
Corsair 750HXI Psu , Phanteks Enthoo pro case .
Re: Latency on BNGs vs older gateways
06-08-2014 5:19 PM
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Re: Latency on BNGs vs older gateways
06-08-2014 5:30 PM
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Re: Latency on BNGs vs older gateways
06-08-2014 5:34 PM
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Reply from 212.58.244.18: bytes=32 time=12ms TTL=56
Reply from 212.58.244.18: bytes=32 time=11ms TTL=56
Reply from 212.58.244.18: bytes=32 time=11ms TTL=56
Reply from 212.58.244.18: bytes=32 time=11ms TTL=56
Ping statistics for 212.58.244.18:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 11ms, Maximum = 12ms, Average = 11ms
That's was on gateway ptn-bng01
Re: Latency on BNGs vs older gateways
06-08-2014 5:47 PM
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$ mtr -r -c 10 plus.net
HOST: My_Laptop Loss% Snt Last Avg Best Wrst StDev
1. My_Router 0.0% 10 0.6 1.4 0.6 3.5 0.9
2. lo0-central10.ptn-ag01.plus. 0.0% 10 28.6 29.9 28.6 33.6 1.5
3. link-a-central10.ptn-gw01.pl 0.0% 10 28.9 29.5 28.9 31.0 0.7
4. xe-5-2-0.ptw-cr01.plus.net 0.0% 10 29.5 29.5 28.4 32.7 1.4
5. ae1.pcl-cr01.plus.net 0.0% 10 29.3 29.1 28.2 30.1 0.7
6. po2.pcl-gw01.plus.net 0.0% 10 29.2 29.5 28.8 31.1 0.7
7. gi5-8.ptp-cr01.plus.net 0.0% 10 36.4 37.0 35.8 40.8 1.4
8. vlan2658.ptp-elb02.plus.net 0.0% 10 37.0 37.5 36.3 38.8 0.9
9. portal.plus.net 0.0% 10 38.2 38.4 36.8 41.0 1.2
For further reading - Wikipedia : MTR
Re: Latency on BNGs vs older gateways
06-08-2014 5:48 PM
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Re: Latency on BNGs vs older gateways
06-08-2014 5:52 PM
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@ rongtw - Do you have increased latency on the BNGs compared to the older ones?
@ purleigh - Do you notice any difference in the latency on the BNGs?
Re: Latency on BNGs vs older gateways
06-08-2014 5:56 PM
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Pinging plus.net [212.159.9.2] with 32 bytes of data:
Reply from 212.159.9.2: bytes=32 time=21ms TTL=247
Reply from 212.159.9.2: bytes=32 time=19ms TTL=247
Reply from 212.159.9.2: bytes=32 time=19ms TTL=247
Reply from 212.159.9.2: bytes=32 time=19ms TTL=247
Ping statistics for 212.159.9.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 19ms, Maximum = 21ms, Average = 19ms
Re: Latency on BNGs vs older gateways
06-08-2014 6:07 PM
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Quote from: AndyH @ purleigh - Do you notice any difference in the latency on the BNGs?
I haven't bothered trying the BNGs recently, so can't really comment.
I used to be an avid gateway hopper, when there were gateway problems and switching could make a big difference in latency and packet loss.
When we were first asked to try using the BNGs I did try them for a while, but generally found the PTNs better.
These days I try to hop onto a PTN and stay on there for months, and only tend to change gateways if a thunder storm has knocked me off.
So unless 'Kelly' or 'Dave' specifically ask for helpers to assess a particular gateway, then you will find me on a PTN.
Re: Latency on BNGs vs older gateways
06-08-2014 6:09 PM
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With PTNs - I getting 73.1Mb down
With BNGs - I getting 74.5Mb down
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