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Standard User ian007jen
(member) Mon 30-Dec-13 18:22:57
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Contention


[link to this post]
 
Hello all

can anybody analyze the following example of a peak time speed test http://www.thinkbroadband.com/speedtest/results.html...

and an out of peak time speedtest

http://www.thinkbroadband.com/speedtest/results.html...

here are some of my previous speed tests http://sdrv.ms/1emcZBz on skydrive

starting from the bottom

(MAY to NOV 2013 ) these results are what I would like to see all the time.


4th DEC to 9th DEC (on Talk Talk connection) My old broadband provider, the post office moved my connection as part of their "upgrade" process.

This is when I asked for my MAC and moved to Zen (slow peak time single stream download speeds)

9th DEC to TODAY Slow peak time single stream download speeds.

my exchange VP=green http://usertools.plus.net/exchanges/?exchange=Rhos&e... on the 5th December

several neighbors (on the same exchange) have also commented on the change of speeds in the last month.

Ian
Standard User Chrysalis
(legend) Tue 31-Dec-13 12:51:46
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Re: Contention


[re: ian007jen] [link to this post]
 
generally speaking if speeds slow during peak times and as long as the line itself doesnt show other symptons (such as increased error rates, low snrm) then it points to congestion issues.

If I were to guess I would say a VP issue at your exchange.

Talktalk was probably a LLU connection so not using a BTw VP.

Really you need someone from zen to tell you more, as they will have access to exchange information.

Plusnet Fibre Unlimited BQM
Standard User ian007jen
(member) Tue 31-Dec-13 14:28:48
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Re: Contention


[re: Chrysalis] [link to this post]
 
My exchange http://www.samknows.com/broadband/exchange/SWRSO very small exchange, no LLU so was using BTw also about the time i noticed peak time slowdowns.

if a zen bod can give me any more recent info re VP status it would be much appriciated

IAn


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Standard User 5km
(knowledge is power) Tue 31-Dec-13 14:54:35
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Re: Contention


[re: ian007jen] [link to this post]
 
Wow that is a small exchange.

Probably a capacity issue ... there was a VP capacity issue in September.

http://usertools.plus.net/exchanges/?exchange=Rhos&e...

So BT probably didn't increase the capacity enough.

Sky Fibre Unlimited Broadband:- Speed Test | TBB Ping
Now on twitter @timmay2
Standard User ian007jen
(member) Tue 31-Dec-13 16:47:29
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Re: Contention


[re: 5km] [link to this post]
 
I didn't notice any slowdown in September......i did read another thread on this forum about small exchanges terminating (if that is the correct term) at larger local exchanges....can't find it at the moment.

Ian
Standard User Ripley
(committed) Fri 10-Jan-14 21:59:48
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Re: Contention


[re: 5km] [link to this post]
 
Out of interest what does VP stand for when you mention vp capacity?

Freeserve Dial-Up --> BTopenworld --> <n>ildram -->Talk Talk LLU --> ZeN
ASUS RT-AC66U
Standard User BatBoy
(legend) Fri 10-Jan-14 22:14:23
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Re: Contention


[re: Ripley] [link to this post]
 
You should have followed the link smile
V irtual P ath.


______________________________________________________________________________________Go_girl!__________________
ISP Representative SkyFire
(isp) Thu 23-Jan-14 15:51:41
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Re: Contention


[re: ian007jen] [link to this post]
 
Hi,

I spotted your post in ISP Unhappiness; rather than cross-post I thought it best to reply here.

I'd recommend running the BT speed test at the time you experience slow speeds, so we then have a record we can present to BT showing when the problems occurs - from what I can see last time you contacted us the BT speed test result was good. However some tests showing poor performance should help add weight to a fault report.

If you're still in contact with others having the same problems then suggest they do the same with their ISPs.

regards,
Phil.

--
Phil Long
ZeN Performance and Process Improvement Manager
The above post has been made by an ISP REPRESENTATIVE (although not necessarily the ISP being discussed in the post).
Standard User ian007jen
(member) Thu 23-Jan-14 18:59:51
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Re: Contention


[re: SkyFire] [link to this post]
 
Thanks Phil,

thought that would be the case, not sure if the BT speedtest shows the slow down, (at least not as much as the single thread TBB test).

I will run a few tests over the next couple of evenings.

Ian
Administrator MrSaffron
(staff) Thu 23-Jan-14 19:21:34
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Re: Contention


[re: ian007jen] [link to this post]
 
Is the effect reproduced if you download a single file, i.e. are speeds slow, but if you download several files the sum of the speeds is actually good.

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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