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hio77

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#210455 28-Mar-2017 10:58
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so just in,

 

 

Adding Dynamic Line Management to Ethernet-based ADSL

 

After successful trials, we’re upgrading ADSL lines with dynamic line management (DLM) and also optimising DLM on VDSL. Your customers will see better speeds and improved stability from 3 April 2017.

 

 

https://sp.chorus.co.nz/product-update/were-upgrading-copper-connections-nationwide

 

 

 

 

 

 

 

Seen some impressive stuff from the adsl trial, even 6dB snr connections on chorus hardware!

 

The headline numbers are looking decent too.

 

 

 

 

 

Initial trial post - https://sp.chorus.co.nz/product-update/trialling-diagnosis-driven-dlm

 

@richms try not to get too excited though ;)

 

 

 

Maximum possible linespeeds

 





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sbiddle
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  #1749286 28-Mar-2017 11:12
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Are you aware of any more details on this? Are they saying this new DLM software will deliver average 40% increases on upload vs existing DLM on VDSL2? If so it'll be exciting for many VDSL2 users who saw downstream tank as a result on the 998 change.

 

 


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hio77

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  #1749308 28-Mar-2017 11:41
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sbiddle:

 

Are you aware of any more details on this? Are they saying this new DLM software will deliver average 40% increases on upload vs existing DLM on VDSL2? If so it'll be exciting for many VDSL2 users who saw downstream tank as a result on the 998 change.

 

 

 

 

I'm trying to get further details, not sure of how much of what i can pull out is okay to post on gz as of yet.

 

 

 

I can speak for the cases i have seen where DSL lines have been on the DSLAMs in the test (with the DLM ADSL2 profile assigned)

 

I may see if i cant look into stats for certain dslams, but again will need to be certainly looked into if it can be posted.

 

 

 

 

 

The headlined fluff in chorus's post is kinda eh... lacking in detail.





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coffeebaron
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  #1749310 28-Mar-2017 11:47
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Shall we start another is Chorus going to enable ANNEX-M thread??

 

http://www.geekzone.co.nz/forums.asp?forumid=49&topicid=133863 

 

 





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hio77

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  #1749314 28-Mar-2017 11:52
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coffeebaron:

 

Shall we start another is Chorus going to enable ANNEX-M thread??

 

http://www.geekzone.co.nz/forums.asp?forumid=49&topicid=133863 

 

 

 

 

As far as i'm aware, no way.

 

 

 

to be fair though, 6dB profile on adsl, there you can still get a good 1.3Mbit+ upstream compared to the normal 1mbit most get (remembering there isn't really much margin there to affect really!)

 

 





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sbiddle
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  #1749323 28-Mar-2017 12:00
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coffeebaron:

 

Shall we start another is Chorus going to enable ANNEX-M thread??

 

http://www.geekzone.co.nz/forums.asp?forumid=49&topicid=133863 

 

 

 

 

It's scheduled for 2020 smile


yitz
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  #1749338 28-Mar-2017 12:24
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So are they finally going to ungimp power levels on VDSL and ADSL?

 

 

Will Chorus wholesale ADSL2+ sync rates become comparable with those of unbundled providers?

hio77

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  #1749343 28-Mar-2017 12:41
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yitz: So are they finally going to ungimp power levels on VDSL and ADSL? Will Chorus wholesale ADSL2+ sync rates become comparable with those of unbundled providers?

 

 

 

based off seeing the 6dB profiles i'd say so.

 

 

 

I have not looked at power values for wholesale vs ucll but most likely, yes.





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Lorenceo
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  #1749620 28-Mar-2017 17:30
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40% increase in VDSL upload speed? Yes please!


hio77

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  #1749622 28-Mar-2017 17:31
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Lorenceo:

 

40% increase in VDSL upload speed? Yes please!

 

 

 

 

oh yes, i forgot to quote you in there too!

 

 

 

it's okay, they will probably skip your dslam too ;)





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Lorenceo
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  #1749623 28-Mar-2017 17:34
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Does this mean that interleaving off will no longer be an option for ADSL after this change goes through? Or will ADSL DLM only adjust line parameters that don't affect delay?


hio77

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  #1749625 28-Mar-2017 17:37
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Lorenceo:

 

Does this mean that interleaving off is no longer an option for ADSL after this change goes through? Or will ADSL DLM only adjust line parameters that don't affect delay?

 

 

Great question.

 

 

 

With the trial for ADSL they didnt trial it on lines that had interleavings turned off is my understanding?

 

flicked a few other details to you earlier though ;)

 

 

 

"Diagnostic driven" DLM though, implies they may be doing something more in this area though too.





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gareth41
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  #1749653 28-Mar-2017 18:09
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Modifying an adsl modem for more output power, i'm interested to know what effect this would have on the upstream sync rate, if it would work at all?


hio77

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  #1749655 28-Mar-2017 18:11
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gareth41:

 

Modifying an adsl modem for more output power, i'm interested to know what effect this would have on the upstream sync rate, if it would work at all?

 

 

 

 

Likely would be breaking your modems telepermet by doing this.





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yitz
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  #1749739 28-Mar-2017 20:26
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Upping the power at your end wouldn't make much difference to upstream rate, I was referring to downstream sync rate and increasing power at the exchange end.

 

 

By 2020 speeds will increase anyway due to less crosstalk as subscribers move off the copper network onto fibre.

hio77

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  #1749741 28-Mar-2017 20:31
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yitz: Upping the power at your end wouldn't make much difference to upstream rate, I was referring to downstream sync rate and increasing power at the exchange end. By 2020 speeds will increase anyway due to less crosstalk as subscribers move off the copper network onto fibre.

 

power at your end would technically affect your speed, limited benifit for risk though.

 

its kinda like a coversation, i dug far too much into the technical aspect of how all that works! 

 

 

 

except in areas where only copper services will still be available by 2020.

 

 

 

This is where small improvements like this could be massive for customers though.





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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.

 

 


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