Changes to DLM Incoming

Forums › New Zealand Broadband › Changes to DLM Incoming - ADSL & VDSL

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#1753624 3-Apr-2017 11:25

hio77:
alot of it comes down to what many of us have been saying, 17a is underused in nz..

Considering such profile is controlled by DLM... essentially DLM has been holding everyone back till now... :/

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hio77

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#1753638 3-Apr-2017 11:27

yitz:
hio77:

alot of it comes down to what many of us have been saying, 17a is underused in nz..

Considering the such profile is controlled by DLM... essentially DLM has been holding everyone back till now... :/

Yep exactly, and sure there are arguable reasons for it.

When you dig into the white papers there are points on power levels between 8b and 17a where depending on the coinflip you could be better off with more spectrum or more power..

Many of us techys are more into it for the upstream boost, and that's one of the biggest factors 17a vs 8b brings in given 998..

on the note of ADSL, i'm pretty closely following this one too, seeing some impressive results there too - Granted you can't squeeze much more out of it, but chorus are managing it quite nicely.

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Shrapz

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#1753743 3-Apr-2017 13:21

hio77:

Shrapz:

Interesting, i must be on one of the other trials. The line you did a comparison on a mirror image of mine (Same Attenuation, same SNR, Same line card, same modem) however I am getting 20mBit more on the downstream with 8b

what dslam/cabinet are you off?

Exchange area will do for a clear check

Owhango

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#1753797 3-Apr-2017 14:01

Shrapz:

hio77:

Shrapz:

Interesting, i must be on one of the other trials. The line you did a comparison on a mirror image of mine (Same Attenuation, same SNR, Same line card, same modem) however I am getting 20mBit more on the downstream with 8b

what dslam/cabinet are you off?

Exchange area will do for a clear check

Owhango

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

Not listed in the areas, Just for extra peace of mind checked a few lines off OWN/AP and OWN/AM definitely new DLM profiles upgrades.

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networkn

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#1753864 3-Apr-2017 15:27

I assume nothing for me if I am already 70/30? :)

BMarquis

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#1753868 3-Apr-2017 15:37

hio77:

yitz:
hio77:

alot of it comes down to what many of us have been saying, 17a is underused in nz..

Considering the such profile is controlled by DLM... essentially DLM has been holding everyone back till now... :/

Yep exactly, and sure there are arguable reasons for it.

Not quite guys :)
Historically DLM could not manage the spectrum change between 8b/17a (and back again). So This selection was based on loop (electrical) length only.
Also - don't forget 8b has higher power.

The new dd-DLM is able to manage the spectrum switch.

DLM hasn't been holding everyone back, a DLM upgrade has allowed us to change the way we do things in this space.

Coil

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#1753874 3-Apr-2017 15:38

BMarquis:

hio77:

yitz:
hio77:

alot of it comes down to what many of us have been saying, 17a is underused in nz..

Considering the such profile is controlled by DLM... essentially DLM has been holding everyone back till now... :/

Yep exactly, and sure there are arguable reasons for it.

Not quite guys :)
Historically DLM could not manage the spectrum change between 8b/17a (and back again). So This selection was based on loop (electrical) length only.
Also - don't forget 8b has higher power.

The new dd-DLM is able to manage the spectrum switch.

DLM hasn't been holding everyone back, a DLM upgrade has allowed us to change the way we do things in this space.

The DSL god has spoken.

BMarquis

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#1753879 3-Apr-2017 15:47

TimA:

BMarquis:

hio77:

yitz:
hio77:

alot of it comes down to what many of us have been saying, 17a is underused in nz..

Considering the such profile is controlled by DLM... essentially DLM has been holding everyone back till now... :/

Yep exactly, and sure there are arguable reasons for it.

Not quite guys :)
Historically DLM could not manage the spectrum change between 8b/17a (and back again). So This selection was based on loop (electrical) length only.
Also - don't forget 8b has higher power.

The new dd-DLM is able to manage the spectrum switch.

DLM hasn't been holding everyone back, a DLM upgrade has allowed us to change the way we do things in this space.

The DSL god has spoken.

I wouldn't go that far! :) I'm not actually on this latest DLM project, the team has been doing a great job.

openmedia

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#1754939 3-Apr-2017 18:07

Is there a simple way to detect if your line has been updated to DLM?

Generally known online as OpenMedia, now working for Red Hat APAC as a Technology Evangelist and Portfolio Architect. Still playing with MythTV and digital media on the side.

hio77

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#1756197 4-Apr-2017 11:24

openmedia:

Is there a simple way to detect if your line has been updated to DLM?

If your on one of the test nodes, yes. otherwise your not yet as rollout hasnt started.

BMarquis:

Not quite guys :)
Historically DLM could not manage the spectrum change between 8b/17a (and back again). So This selection was based on loop (electrical) length only.
Also - don't forget 8b has higher power.

The new dd-DLM is able to manage the spectrum switch.

DLM hasn't been holding everyone back, a DLM upgrade has allowed us to change the way we do things in this space.

As always, love hearing from you brent!

thanks for filling that slight gap!

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coffeebaron

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#1756584 4-Apr-2017 20:23

Looks like Vectoring is on the cards too - mentioned in this press release:

https://www.chorus.co.nz/chorus-submits-proposals-for-rural-broadband-initiative-and-mobile-black-spots-rfp

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#1756594 4-Apr-2017 20:35

coffeebaron:

Looks like Vectoring is on the cards too - mentioned in this press release:

https://www.chorus.co.nz/chorus-submits-proposals-for-rural-broadband-initiative-and-mobile-black-spots-rfp

Interesting, missed this one.

was bought up in a topic here about DLM, where i mentioned chorus had put comment out about doing this but nothing since.

Good to see.

So far in my noticed areas, i haven't seen vectoring on any trial lines think i have only really looked at IKANOS lines though.

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coffeebaron

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#1756603 4-Apr-2017 20:39

Quite possibly not trialled yet, but appears they intend to look at it I guess.

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hio77

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#1756604 4-Apr-2017 20:41

coffeebaron:

Quite possibly not trialled yet, but appears they intend to look at it I guess.

Currently churning some stats to have a more clear answer..

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BMarquis

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#1756701 5-Apr-2017 06:40

hio77:

coffeebaron:

Quite possibly not trialled yet, but appears they intend to look at it I guess.

Currently churning some stats to have a more clear answer..

Vectoring has not been and is not enabled anywhere in our network yet.

edit: Fixed terrible ambiguity

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