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Standard User jonstatt
(regular) Thu 05-Apr-12 09:00:08
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Does FTTC DLM use Openreach advertised profiles?


[link to this post]
 
Apologies for crosspost - was recommended I post in this forum instead of BT Wholesale.

According to an Openreach document, the DLM for FTTC can be configured in 3 profiles

Dynamic Line Management (DLM) features
* Match the way a line is managed to the way your customer uses it:
* Standard - best overall balance between speed and stability for general internet users
* Stable - prioritise stability over speed for IPTV videoconferencing, home workers and businesses transferring data and IPTV
* Speed - prioritise speed over stability for online gamers


Are these different profiles in use for BT Infinity or do they just use Standard regardless? I have a problem with BT Vision that after watching a programme my old ADSL IP profile returns (11Meg) instead of the Infinity one (38.72Meg). In trying to get this sorted, and it may be a coincidence, after engineering investigated, my pings have shot up....I hope they have not misunderstood and thought that the fix is to change my DLM profile from Standard to Stable!!
Standard User Bald_Eagle1
(committed) Thu 05-Apr-12 11:32:37
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: jonstatt] [link to this post]
 
That's the first I have heard of it.

Could you post a link to the Openreach document you mention?
It may make interesting reading.
Standard User jonstatt
(regular) Thu 05-Apr-12 15:30:14
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: Bald_Eagle1] [link to this post]
 
http://www.openreach.co.uk/orpg/home/products/super-...

Interesting reading indeed, because we always thought there was nothing that could be done for gamers to minimise pings. While you can't explicitly turn interleaving off, you can bias the DLM!!


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Standard User lee111s
(regular) Thu 05-Apr-12 23:46:57
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: jonstatt] [link to this post]
 
I'm not sure that it's an option open to service providers...or if any service providers chose to utilise the different options.

I think it would cause more hassle for them than it's worth.

Where I do see it beneficial, will be for any ISP that wants to provide linear TV streams over FTTC. They could use the super stable option to give a much more stable connection with less errors.
Standard User RobertoS
(sensei) Thu 05-Apr-12 23:53:06
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: lee111s] [link to this post]
 
In reply to a post by lee111s:
I'm not sure that it's an option open to service providers
It is an Openreach option for any CP that takes the GEA service. Currently BT Wholesale and TalkTalk, with Sky in trial and full release 12 April.

What setting BTW defaults to, and what they make available to the ISPs, (nearly all), who sell a service based on BT Wholesale WBC/WBMC is another question.

____________________________________________________________________________
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
Administrator MrSaffron
(staff) Thu 05-Apr-12 23:56:12
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: RobertoS] [link to this post]
 
As ever takes isp support years to grasp these sorts of things

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.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 RobertoS
(sensei) Fri 06-Apr-12 00:10:00
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: MrSaffron] [link to this post]
 
In reply to a post by MrSaffron:
As ever takes isp support years to grasp these sorts of things
Considering they haven't yet grasped what the first 10 days of a line being connected to IPSC/WBC/WBMC does, I think you should say decades, not years smile smile.

____________________________________________________________________________
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
Standard User yarwell
(sensei) Fri 06-Apr-12 09:35:40
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: RobertoS] [link to this post]
 
I assume it defaults to "Standard", given its name, but I'll check later. Yes it's available to ISPs at order time. The same option is available on WBC ADSL.

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User RobertoS
(sensei) Fri 06-Apr-12 10:08:39
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: yarwell] [link to this post]
 
In reply to a post by yarwell:
Yes it's available to ISPs at order time. The same option is available on WBC ADSL.
Are you sure the order-time option for ISPs using WBC/WBMC works for FTTC? I.e. is passed through to the Openreach DLM? Or is it still activating the WBC DLM option and therefore of no effect on the Openreach setting?

I assume it's covered in the Handbook that isn't published or leaked, (that I know of).

____________________________________________________________________________
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
Standard User yarwell
(sensei) Fri 06-Apr-12 10:12:54
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Re: Does FTTC DLM use Openreach advertised profiles?


[re: RobertoS] [link to this post]
 
Are you sure the order-time option for ISPs using WBC/WBMC works for FTTC?


The options are presented the same way, it's just a parameter like the speed / elevated best efforts etc. It all ends up as XML I guess.

The DLM option for Fibre based WBC will have to be applied to the Openreach settings as there isn't any other DLM, for ADSL WBC it'll apply to the DSLAM.

Edit: If you only believe things you see yourself, try page p118 here

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics

Edited by yarwell (Fri 06-Apr-12 10:18:20)

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