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Standard User Billward
(newbie) Tue 04-Oct-11 13:46:30
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Traffic Management on Plusnet


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What, in practical terms, is the likely effect of Traffic Management on PlusNet download speeds?

My exchange is Llanymynech and current connection speed is 224 kbps & can go as high as 352 kbps(routerstats).

PlusNet's KFIs document indicates that certain types of traffic are either slowed or managed and obviously the impact of this will vary depending on user activity at any particular time of day but does this slow everybody down pro rata, i.e. by a percentage, or slow everybody down by some other reckoning?

I notice at present that at certain times of day DNS responses increase significantly but downland speed varies less consistently. But I don't know how relevant this is. So, for example, if I have a 50Mb download which is slowed down might it take as long as double the optimum time or the optimum time plus a fixed amount or some combination and how do I quantify this at least very roughly?

BW
Standard User camieabz
(sensei) Tue 04-Oct-11 13:51:46
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Re: Traffic Management on Plusnet


[re: Billward] [link to this post]
 
Pick your package:

http://www.plus.net/support/broadband/speed_guide/do...

~~~~~~~~~~


© Camieabz 2002-2011

All Connection Data ~ plusnet

Scottish Labour politician: “The SNP are on a very dangerous tack. What they are doing is trying to build up a situation in Scotland where the services are manifestly better than south of the border in a number of areas.”

Interviewer: ”Is that a bad thing?”

Scottish Labour politician: “No, but they are doing it deliberately.”
Standard User Oldjim
(fountain of knowledge) Tue 04-Oct-11 13:57:49
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Re: Traffic Management on Plusnet


[re: Billward] [link to this post]
 
How slow - 224kbps is ridiculous
Can you post the full stats - noise margin, speeds and attenuation


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Standard User Billward
(newbie) Tue 04-Oct-11 16:03:32
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Re: Traffic Management on Plusnet


[re: Oldjim] [link to this post]
 
It is a bit slow!!

Stats:
Statistics Downstream Upstream
Line Rate 224 Kbps 416 Kbps
Noise Margin 9.1 dB 8.0 dB
Line Attenuation 63.0 dB 31.5 dB
Output Power 14.1 dBm 12.4 dBm

Router - Voyager 210 (I had been using a 2wire 2700 HG-B which connected slightly faster but has now failed)
Connection direct to main BT box via BT supplied ADSL V10 faceplate.
Distance to exchange >6 miles (by road, which is the land line route).

Thanks for taking an interest.

BW
Standard User Billward
(newbie) Tue 04-Oct-11 16:11:02
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Re: Traffic Management on Plusnet


[re: camieabz] [link to this post]
 
Thanks.

I'd already looked at this info on PlusNet and also at their more detailed document. However basically it says things will go slower at times but doesn't get even close to quantifying the drop. For some people a halving of speed, for example, might not matter too much but at the speeds of my line it doesn't take too much to get to ISDN speeds and then to dial-up.

Obviously I don't expect anything as specific as, say, speeds might drop by 50% but it would be nice too have slightly more precision than 'slowed down'. As you can see from my current speed it doesn't take much of a slow down to be at stop.

BW
Standard User Oldjim
(fountain of knowledge) Tue 04-Oct-11 16:14:34
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Re: Traffic Management on Plusnet


[re: Billward] [link to this post]
 
I can only assume that your router won't report an attenuation higher than 63dB as that is rather low for the distance
However, in reply to your actual question, it isn't done by percentage of speed but by absolute values however the priority system would still work to give the maximum throughput to time critical applications on your line

Edited by Oldjim (Tue 04-Oct-11 16:18:02)

Standard User adslmax
(fountain of knowledge) Tue 04-Oct-11 18:07:23
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Re: Traffic Management on Plusnet


[re: camieabz] [link to this post]
 
In reply to a post by camieabz:
Pick your package:

http://www.plus.net/support/broadband/speed_guide/do...


That old one! This page last updated 19th May 2011

plusnetADSL2+13 Meg
Standard User Oldjim
(fountain of knowledge) Tue 04-Oct-11 18:19:06
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Re: Traffic Management on Plusnet


[re: adslmax] [link to this post]
 
and it hasn't changed
Standard User adslmax
(fountain of knowledge) Tue 04-Oct-11 19:13:09
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Re: Traffic Management on Plusnet


[re: Oldjim] [link to this post]
 
Ok thanks.

plusnetADSL2+13 Meg
Standard User kasg
(committed) Tue 04-Oct-11 19:53:11
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Re: Traffic Management on Plusnet


[re: Billward] [link to this post]
 
Traffic management does not slow things by a percentage, it slows them to a maximum speed, which is generally much higher than your connection speed, so that is the least of your worries!

Edit: Sorry, just seen that Oldjim had said that in his reply.

Kevin

plusnet Value Fibre
Using OpenDNS

Edited by kasg (Tue 04-Oct-11 19:55:59)

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