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Standard User JB68
(regular) Mon 19-May-14 22:18:18
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How to get Ping lower?


[link to this post]
 
Hi,

I recently got Fibre last week but my pings to bbc.co.uk is about 32ms, was 42-45ms on ADSL2+.

I think I am on Fast Path/Speed profile

Here is my stats

# xdslcmd info --show
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 40462 Kbps, Downstream rate = 120784 Kbps
Bearer: 0, Upstream rate = 19999 Kbps, Downstream rate = 79987 Kbps

Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 18.8 23.3
Attn(dB): 13.9 0.0
Pwr(dBm): 13.3 4.6
VDSL2 framing
Bearer 0
MSGc: 18 26
B: 239 237
M: 1 1
T: 23 42
R: 0 16
S: 0.0955 0.3781
L: 20104 5374
D: 1 1
I: 240 127
N: 240 254
Counters
Bearer 0
OHF: 335787249 430594
OHFErr: 3246 79
RS: 0 3346581
RSCorr: 0 135
RSUnCorr: 0 0

Bearer 0
HEC: 11810 0
OCD: 342 0
LCD: 342 0
Total Cells: 3781361836 0
Data Cells: 584173874 0
Drop Cells: 0
Bit Errors: 0 0

ES: 1655 73
SES: 1 0
UAS: 23 23
AS: 555357

Bearer 0
INP: 0.00 0.00
INPRein: 0.00 0.00
delay: 0 0
PER: 1.65 3.98
OR: 116.09 64.22
AgR: 80103.09 20063.54

Bitswap: 387914/387914 5002/5002
Standard User RobertoS
(sensei) Mon 19-May-14 23:39:10
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Re: How to get Ping lower?


[re: JB68] [link to this post]
 
In the Subject you ask how to get the ping lower, and in the post you tell us it is 10-13ms lower than it was on ADSL2+.

???

My broadband basic info/help site - www.robertos.me.uk | Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 58.7/14.6Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Standard User shinerweb
(learned) Tue 20-May-14 00:31:14
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Re: How to get Ping lower?


[re: RobertoS] [link to this post]
 
I think the OP means "even lower".

I get a ping of 9ms on FTTC to the BBC normally, but with "interleaving high" enabled (due to a fault on the line), that shot up to between 35-45ms.
As soon as interleaving was removed, straight back down to 9ms.

I'd investigate why interleaving is enabled and if that can be sorted... not much else one can do elsewise.


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Standard User tommy45
(knowledge is power) Tue 20-May-14 00:57:41
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Re: How to get Ping lower?


[re: shinerweb] [link to this post]
 
From those stats i would say that the OP isn't currently interleaved, I agree that 32ms on fast path to the BBC is a little on the high side,Who is the ISP? as it could have something to do with them

Edited by tommy45 (Tue 20-May-14 00:58:51)

Administrator MrSaffron
(staff) Tue 20-May-14 07:53:45
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Re: How to get Ping lower?


[re: tommy45] [link to this post]
 
And where they are in the UK

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User baby_frogmella
(experienced) Tue 20-May-14 08:07:56
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Re: How to get Ping lower?


[re: MrSaffron] [link to this post]
 
In reply to a post by MrSaffron:
And where they are in the UK

Spot on Mr Saffron. Where i live in the Scottish Highlands it's pretty much impossible to get pings <30ms even on fastpath on ADSL2+. This has improved on fibre as i'm getting ~20ms but i know to get significantly lower ping times i'd have to live closer to London. I've come across someone with ping times of 4ms on fibre...I suspect they live next to Telehouse in Central London LOL

TalkTalk Business Fibre 79987/19999 kbps
Powered by Linksys EA6900

Edited by baby_frogmella (Tue 20-May-14 08:11:23)

Standard User ian72
(knowledge is power) Tue 20-May-14 08:11:12
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Re: How to get Ping lower?


[re: MrSaffron] [link to this post]
 
And a tracert in case there is some odd routing going on taking packets around the houses.
Standard User JB68
(regular) Tue 20-May-14 10:52:23
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Re: How to get Ping lower?


[re: ian72] [link to this post]
 
I'm North East of Scotland and on BT Infinity 2.
Standard User tommy45
(knowledge is power) Tue 20-May-14 12:14:24
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Re: How to get Ping lower?


[re: MrSaffron] [link to this post]
 
And that, And BT's somewhat questionable routing, So East scotland >>>> to BT's london data centre, then peered into BBC , would be the most direct way, I wonder if this isn't the case, It would explain why the latency is so high
Standard User tommy45
(knowledge is power) Tue 20-May-14 12:19:53
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Re: How to get Ping lower?


[re: baby_frogmella] [link to this post]
 
It's in part the distance and network topology between end users and ISP's data centre, and POP's ect, Whilst the majority of the biggest ISP's all favour london, there are one of 2 that have data centres in other parts of the country as well,
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