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Standard User J_Walsh
(fountain of knowledge) Mon 14-Jul-14 18:56:07
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Worth switching from bt fttc?


[link to this post]
 
Hi all,

Just having a look around at my options of changing from BT fttc.
How's the speeds on Zen's 80 MB fttc? also some trace routes to bbc.co.uk would be great.

Many Thanks!

BT Infinity

Speedtest
Standard User caffn8me
(knowledge is power) Tue 15-Jul-14 01:58:42
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Re: Worth switching from bt fttc?


[re: J_Walsh] [link to this post]
 
Tracing fron a Zen FFTC connection with Zen backhaul;

sarah@DVR-W ~
$ tracert www.bbc.co.uk

Tracing route to www.bbc.net.uk [212.58.244.68]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  GW [172.16.53.254] 
  2     5 ms     5 ms     5 ms  losubs.subs.dsl6.th-lon.zen.net.uk [62.3.84.27] 
  3     5 ms     5 ms     5 ms  no-dns-yet-62-3-86-133.zen.co.uk [62.3.86.133] 
  4     5 ms     5 ms     5 ms  ge-2-0-0-0.cr1.th-lon.zen.net.uk [62.3.80.41] 
  5     5 ms     5 ms     5 ms  82.71.254.134 
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     5 ms     6 ms     5 ms  ae0.er01.telhc.bbc.co.uk [132.185.254.109] 
  9     6 ms     6 ms     6 ms  132.185.255.149 
 10     6 ms     5 ms     5 ms  bbc-vip113.telhc.bbc.co.uk [212.58.244.68] 

Trace complete.

Ping times are typically around 5ms. This line syncs at 80/20 and has an attainable rate of well over 100 down. I regard this as pretty much a best case scenario.

I can't do a download speed test as I'm not on site at the moment.

Sarah

--
If I can't drink my bowl of coffee three times daily, then in my torment, I will shrivel up like a piece of roast goat

Spiders on coffee - Badass spiders on drugs

Edited by caffn8me (Tue 15-Jul-14 02:01:17)

Standard User AndrewW
(member) Wed 16-Jul-14 18:03:31
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Re: Worth switching from bt fttc?


[re: caffn8me] [link to this post]
 
way better than my ping times

Tracing route to www.bbc.net.uk [212.58.244.70]
over a maximum of 30 hops:

1 6 ms 1 ms 1 ms [192.168.0.1]
2 18 ms 16 ms 16 ms losubs.subs.dsl2.wh-man.zen.net.uk [62.3.87.14
3 16 ms 16 ms 16 ms ge-2-1-0-164.cr1.wh-man.zen.co.uk [62.3.87.165
4 23 ms 23 ms 23 ms ge-3-0-0-0.cr2.th-lon.zen.net.uk [62.3.80.45]
5 22 ms 23 ms 23 ms ge-2-0-0-0.cr1.th-lon.zen.net.uk [62.3.80.41]
6 35 ms 23 ms 24 ms 82.71.254.134
7 * * * Request timed out.
8 * * * Request timed out.
9 23 ms 23 ms 23 ms ae0.er01.telhc.bbc.co.uk [132.185.254.109]
10 23 ms 23 ms 24 ms 132.185.255.149
11 23 ms 23 ms 23 ms bbc-vip115.telhc.bbc.co.uk [212.58.244.70]

The ping times went up when i moved to FTTC, always get approx 16ms on the first wan hop

Pipex(dial up => adsl) => Nildram => Zen


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Standard User AndyPandy
(experienced) Thu 17-Jul-14 10:30:37
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Re: Worth switching from bt fttc?


[re: AndrewW] [link to this post]
 
Worth checking if interleaving has been turned on by DLM, this affects latency.

Also depends how far you are physically from the POP, and whose backhaul you're using. For example, if you're quite a way from Manchester on BT's backhaul and interleaved, you times could be normal.

Caffn8me *could* have the perfect scenario. FAST path, close to London POP, and using Zen's backhaul as she states.

Cheers,
AP


ZeN Office
Fritz!Box 3390
Standard User caffn8me
(knowledge is power) Mon 21-Jul-14 17:47:51
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Re: Worth switching from bt fttc?


[re: AndyPandy] [link to this post]
 
I have another perfect scenario today; a new installation in Chiswick.

I'm getting 80/20 sync with pings to www.bbc.co.uk averaging 5ms again.

This is with a Draytek 2860 router and no Openreach modem. I believe Chiswick is on Zen backhaul.

Sarah

--
If I can't drink my bowl of coffee three times daily, then in my torment, I will shrivel up like a piece of roast goat

Spiders on coffee - Badass spiders on drugs
Standard User trolleybus
(committed) Mon 21-Jul-14 19:07:00
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Re: Worth switching from bt fttc?


[re: caffn8me] [link to this post]
 
Tracing route to www.bbc.net.uk [212.58.246.94]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms AOK [192.168.254.1]
2 16 ms 16 ms 16 ms losubs.subs.dsl5.th-lon.zen.net.uk [62.3.84.23]
3 16 ms 20 ms 16 ms ge-2-1-0-123.cr2.th-lon.zen.net.uk [62.3.84.225]
4 32 ms 15 ms 16 ms ge-2-0-0-0.cr1.th-lon.zen.net.uk [62.3.80.41]
5 34 ms 32 ms 37 ms 82.71.254.134
6 * * * Request timed out.
7 17 ms 18 ms 16 ms ae0.er01.cwwtf.bbc.co.uk [132.185.254.93]
8 17 ms 17 ms 18 ms 132.185.255.165
9 17 ms 17 ms 16 ms bbc-vip015.cwwtf.bbc.co.uk [212.58.246.94]

Trace complete.
Standard User Huntyz
(regular) Wed 20-Aug-14 17:51:47
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Re: Worth switching from bt fttc?


[re: trolleybus] [link to this post]
 
Tracing route to bbc.co.uk [212.58.246.104]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms router.*******.co.uk [10.0.0.254]
2 13 ms 13 ms 12 ms losubs.subs.dsl2.th-lon.zen.net.uk [62.3.84.21]

3 13 ms 13 ms 13 ms ge-2-1-0-129.cr2.th-lon.zen.net.uk [62.3.84.245]

4 13 ms 13 ms 12 ms ge-2-0-0-0.cr1.th-lon.zen.net.uk [62.3.80.41]
5 13 ms 13 ms 13 ms rt-lonap-b.thdo.bbc.co.uk [5.57.80.91]
6 * * * Request timed out.
7 14 ms 14 ms 14 ms ae0.er01.cwwtf.bbc.co.uk [132.185.254.93]
8 15 ms 15 ms 14 ms 132.185.255.165
9 14 ms 14 ms 14 ms fmt-vip133.cwwtf.bbc.co.uk [212.58.246.104]

Trace complete.

Zen Unlimited fibre 2 from Cornwall.
Love the service.

---------
Zen Unlimited Fibre 2
Standard User StephenTodd
(experienced) Wed 20-Aug-14 20:50:35
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Re: Worth switching from bt fttc?


[re: Huntyz] [link to this post]
 
There are two things that can consistently make bad pings.

1) interleaving. Your line would be the same with Zen, Infinity or any other ISP; they would all have the same interleaving. You can see interleaving if the first hop (line 2 of tracert) is more then 7ms or so.

2) bad internal routing. This will differ between ISPs. I suffer with BT as my routing goes Winchester->Sheffield->London before leaving BT, adding about 9ms to ping times. I hope that Zen users would not see this. My bbc ping is around 20ms. Was around 30ms when I had interleaving.

Some people on Infinity have everything OK and get 6ms ping times.

--
BT Infinity 2, thinking of moving to PlusNet
Standard User tommy45
(knowledge is power) Wed 20-Aug-14 21:40:38
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Re: Worth switching from bt fttc?


[re: StephenTodd] [link to this post]
 
1) interleaving. Your line would be the same with Zen, Infinity or any other ISP; they would all have the same interleaving. You can see interleaving if the first hop (line 2 of tracert) is more then 7ms or so

Not nescerceraly correct ,As it depends on where in the country you are, as well as the data transit provider used, where i live 12-13ms is around the lowest latency possible on (Fast path)

Athough those who live close to a POP be that BT's or other ISP's will alway fair better on the latency front, it's a post code lottery pretty much

Edited by tommy45 (Wed 20-Aug-14 21:42:41)

Standard User pcoventry76
(knowledge is power) Wed 20-Aug-14 23:21:44
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Re: Worth switching from bt fttc?


[re: tommy45] [link to this post]
 
Agreed

The problem I find is that for no reason DLM kicks in and then it changed to IL which means my speed drops and latency goes up.

Something you don't consider on cable as it just works - it's when you hit FTTC you realise it's not really the more superior ft the 2 after all.
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