Changes to DLM Incoming

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#1779638 11-May-2017 13:38

hio77:

as of today, it seems all vdsl lines have switched over to ddDLM properly.

I'm seeing movement over a few lines i'm watching so good signs. nothing concert as of yet.

last of the ADSL/VDSL connections seem to have moved profiles too.

Thanks, I checked and I've finally seen a tiny movement on our line.

Gained less than 10% upload speed (almost unnoticeable), but I'm very thankful for it.

Download speed is basically the same as before.

xpd

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#1779642 11-May-2017 13:49

hio77:

as of today, it seems all vdsl lines have switched over to ddDLM properly.

I'm seeing movement over a few lines i'm watching so good signs. nothing concert as of yet.

last of the ADSL/VDSL connections seem to have moved profiles too.

Am I reading your post correctly, that all upgrades are done and dusted ?

If so, would there be any reason why my VDSL hasnt changed profile - or was this only for certain areas/cabinets/exchanges/ ISPs ?

(No, I dont keep up with broadband infrastructure etc much these days :) )

TIA

XPD / Gavin

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hio77

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#1779649 11-May-2017 13:54

xpd:
hio77:

as of today, it seems all vdsl lines have switched over to ddDLM properly.

I'm seeing movement over a few lines i'm watching so good signs. nothing concert as of yet.

last of the ADSL/VDSL connections seem to have moved profiles too.

Am I reading your post correctly, that all upgrades are done and dusted ?

If so, would there be any reason why my VDSL hasnt changed profile - or was this only for certain areas/cabinets/exchanges/ ISPs ?

(No, I dont keep up with broadband infrastructure etc much these days :) )

TIA

Said appears.

Iknow your not with spark, pm me your address and ill pluck a few examples around you.

Otherwise ask your rsp if you are on the ddDLM template. From there you will know.

Done and dusted. No idea. By chorus posted schedule that was last week

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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

xpd

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#1779653 11-May-2017 14:12

hio77:

Said appears.

Iknow your not with spark, pm me your address and ill pluck a few examples around you.

Otherwise ask your rsp if you are on the ddDLM template. From there you will know.

Done and dusted. No idea. By chorus posted schedule that was last week

Cheers for that :) Will drop you a PM.

XPD / Gavin

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ALTRON

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#1779685 11-May-2017 14:48

No Change here.

Is there any way to see what profile you're on with a spark supplied HG630b modem. There doesn't seem to be any profile info in the DSL info section.

Line standard VDSL2
Downstream line rate (kbit/s) 36997
Upstream line rate (kbit/s) 5808
Downstream SNR (dB) 9.4
Upstream SNR (dB) 9.1
Downstream line attenuation (dB) 19.1
Upstream line attenuation (dB) 7.2
Downstream output power (dBmV) 18.6
Upstream output power (dBmV) 7
Downstream CRC 3
Upstream CRC 1
Downstream FEC 101
Upstream FEC 1

I guess Im just too far away from cabinet to benefit.

Spark, Lower Hutt

gobtob

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#1779686 11-May-2017 14:49

Is some form of interleaving mandatory now? I was rather enjoying the sub 5ms pings.

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hio77

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#1779877 11-May-2017 20:51

gobtob:

Is some form of interleaving mandatory now? I was rather enjoying the sub 5ms pings.

not at all, it is dynamic.

the dynamic latency bit just is taking a little to kick in it would seem.

#include <std_disclaimer>

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smalltrader

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#1779972 12-May-2017 07:55

ALTRON:

No Change here.

Is there any way to see what profile you're on with a spark supplied HG630b modem. There doesn't seem to be any profile info in the DSL info section.

Line standard VDSL2
Downstream line rate (kbit/s) 36997
Upstream line rate (kbit/s) 5808
Downstream SNR (dB) 9.4
Upstream SNR (dB) 9.1
Downstream line attenuation (dB) 19.1
Upstream line attenuation (dB) 7.2
Downstream output power (dBmV) 18.6
Upstream output power (dBmV) 7
Downstream CRC 3
Upstream CRC 1
Downstream FEC 101
Upstream FEC 1

I guess Im just too far away from cabinet to benefit.

Spark, Lower Hutt

Your line attenuation is fairly high. As you have said, you are probably too far from the cabinet for ddDLM to be able to do much. In fact, you don't want ddDLM to aggressively increase your sync speed resulting in massive CRC errors which could then degrade your overall performance/experience despite the sync speed. Do give it a week or so to see what it can do.

In my own case, the benefit of ddDLM is a notable increase on the up stream speed but little change to the down stream performance. Every line will be different though.

Dynamike

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#1780373 12-May-2017 20:59

I'm on rural ADSL with 4.7kms of phone line between my house and the cabinet.

The downstream attainable rate increased 20% with the change to DLM.

The modem stats below show: Before DLM --> After DLM.

Downstream

Attainable Rate (Kbps): 3984 --> 5036

Actual Rate (Kbps): 3665 --> 4171

Attenuation: 54.0 --> 54.5

SNR: 10.4 --> 6.4

Output Power: 17.5 --> 18.5

Upstream

Attainable Rate (Kbps): 801 --> 1013

Actual Rate (Kbps): 820 --> 977

Attenuation: 27.8 --> 27.6

SNR : 12.1 --> 6.4

Output Power: 12.4 --> 10.2

hio77

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#1780374 12-May-2017 21:01

Yep, that's been my experience too on my adsl line.

Honestly, adsl lines is where i saw the benefit.

The fact that 17a changes were bought in with ddDLM has overshadowed that.

Hardly see mention of changes to lines that ddDLM has done to line attributes on VDSL (although to be fair its seldom to actually see happening as of yet it seems)

My line was somehow one of the first to go over to ddDLM, only one on the cabinet and was not a request or hand in anyones pants but a record error..

It has been impressive to see how ddDLM has dealt with my two lines, one faulting twice in this period and causing issues.

I'm starting to question if coexisting lines have taken a turn for the worst with ddDLM, follow on from what has happened with my line and a coworkers. (still very isolated, i can name plenty that it is fine with)

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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

freakngeek

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#1781682 13-May-2017 15:42

Went to the roadside grey pillar
Cut the Cat3 cable of 2x wires coming out of ground
Attached a patch lead to a Phone jack plugged into router runing off a UPS I had with me in the car.
Got a nice little increase in speed download about 1.5x quicker, upload 2.5x as fast

Upload Attenuation is higher with 400m shorter cable a little off
Also Bitswap on upload also now off

Anyway the carrot I need to finish this project off
Got 2x Ubiquiti Litebeams Gen2 to setup
I'll attach the modem to post where the gray pillar is setup a Solar panel, make up a POE cable for radio, and run the DV130 directly of 12v
Only issue is not a direct line of site to house, unless I go up or go about 30m to one side

Have noticed ddDLM is slow tweaking my line
When I first got changed Speednet was up and down like a yo-yo
Now a steady test like it used to be
Download connection slightly faster than it used to be 44Mbps up from 38Mbps, upload 7.3Mbps up from 6Mbps
These numbers are slowly rising as time goes by
Not noticed any numbers changing in the DSL info

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hio77

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#1781745 13-May-2017 19:25

freakngeek:

Went to the roadside grey pillar
Cut the Cat3 cable of 2x wires coming out of ground
Attached a patch lead to a Phone jack plugged into router runing off a UPS I had with me in the car.
Got a nice little increase in speed download about 1.5x quicker, upload 2.5x as fast

Upload Attenuation is higher with 400m shorter cable a little off
Also Bitswap on upload also now off

Anyway the carrot I need to finish this project off
Got 2x Ubiquiti Litebeams Gen2 to setup
I'll attach the modem to post where the gray pillar is setup a Solar panel, make up a POE cable for radio, and run the DV130 directly of 12v
Only issue is not a direct line of site to house, unless I go up or go about 30m to one side

Pretty sure touching the pillar is not allowed..

nice boost though

Bitswap will always turn on and off.

Upload Attenuation will have been higher due to the point in reading it, generally for VDSL you ignore upstream Attenuation.

Do you have sufficient battery and panel for the 12v for the 2 devices? remembering winter where you may not have much sun at all in a day..

#include <std_disclaimer>

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

Jase2985

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#1781938 14-May-2017 15:29

freakngeek:

Went to the roadside grey pillar
Cut the Cat3 cable of 2x wires coming out of ground
Attached a patch lead to a Phone jack plugged into router runing off a UPS I had with me in the car.
Got a nice little increase in speed download about 1.5x quicker, upload 2.5x as fast

Upload Attenuation is higher with 400m shorter cable a little off
Also Bitswap on upload also now off

Anyway the carrot I need to finish this project off
Got 2x Ubiquiti Litebeams Gen2 to setup
I'll attach the modem to post where the gray pillar is setup a Solar panel, make up a POE cable for radio, and run the DV130 directly of 12v
Only issue is not a direct line of site to house, unless I go up or go about 30m to one side

Have noticed ddDLM is slow tweaking my line
When I first got changed Speednet was up and down like a yo-yo
Now a steady test like it used to be
Download connection slightly faster than it used to be 44Mbps up from 38Mbps, upload 7.3Mbps up from 6Mbps
These numbers are slowly rising as time goes by
Not noticed any numbers changing in the DSL info

you would be liable for a large fine if chorus found out

RunningMan

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#1781940 14-May-2017 15:37

hio77:

freakngeek:

Went to the roadside grey pillar
Cut the Cat3 cable of 2x wires coming out of ground
Attached a patch lead to a Phone jack plugged into router runing off a UPS I had with me in the car.

Pretty sure touching the pillar is not allowed..

This. It isn't your network to touch. At all.

richms

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#1781972 14-May-2017 16:13

Jase2985:

you would be liable for a large fine if chorus found out

Their grey pillars are such a mess when I saw the one near me when it was being fixed _again_ that I doubt they would know. Unless you are stupid enough to broadcast it on forums. Oops.

Richard rich.ms

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