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Standard User deleted
(deleted) Wed 18-Mar-15 19:27:13
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Re: Speed issue..


[re: XRaySpeX] [link to this post] 		 
In reply to a post by XRaySpeX:
Don't they influence the various connection parameters controlling the DLM?
No. DLM is controlled by Openreach not the ISP.
Standard User XRaySpeX
(eat-sleep-adslguide) Wed 18-Mar-15 19:30:43
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Re: Speed issue..


[re: deleted] [link to this post] 		 
Yes, the speeds quoted by any ISP are sync speeds for all DSL regardless of who 'controls' them. That is the point I am addressing.

1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
Standard User jchamier
(eat-sleep-adslguide) Wed 18-Mar-15 19:33:04
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Re: Speed issue..


[re: deleted] [link to this post] 		 
In reply to a post by BatBoy:
In reply to a post by XRaySpeX:
Don't they influence the various connection parameters controlling the DLM?
No. DLM is controlled by Openreach not the ISP.


I think ISPs have two options, Stable or Super Stable and that's it. Most probably don't know they have these options.

plusnet unlimited fibre - 2 Jun 14 - 470m - 80/20 - Summer/dry sync 55/9.4, Winter/wet sync 52/9.1
15 years broadband (1999 ntl:cable trial) - Asus RT-AC68U with HG612 - BQM - Summer PN speed - Winter PN speed


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Standard User Oliver341
(eat-sleep-adslguide) Wed 18-Mar-15 19:43:09
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Re: Speed issue..


[re: jchamier] [link to this post] 		 
In reply to a post by jchamier:
I think ISPs have two options, Stable or Super Stable and that's it. Most probably don't know they have these options.

3 options, "Standard", "Stable" and "Speed". I'm not sure if those are the official names though.

Oliver.
Standard User deleted
(deleted) Wed 18-Mar-15 19:53:21
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Re: Speed issue..


[re: Oliver341] [link to this post] 		 
I can't see those options affecting the sync speed though, only the throughput.
Standard User ip75
(learned) Wed 18-Mar-15 20:19:39
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Re: Speed issue..


[re: deleted] [link to this post] 		 
I think they just affect the error thresholds for DLM.
Administrator MrSaffron
(staff) Wed 18-Mar-15 20:34:41
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Re: Speed issue..


[re: ip75] [link to this post] 		 
And if interleaving kicks in fttc takes a sync speed hit, hence G.INP now appearing

Andrew Ferguson, [email protected]
www.thinkbroadband.com
Personal website including useful broadband snippets and maps
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User deleted
(deleted) Wed 18-Mar-15 20:50:01
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Re: Speed issue..


[re: MrSaffron] [link to this post] 		 
I think G.INP is more about throughput not sync speed.

Edited by deleted (Wed 18-Mar-15 20:50:34)
Standard User jchamier
(eat-sleep-adslguide) Wed 18-Mar-15 21:00:07
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Re: Speed issue..


[re: deleted] [link to this post] 		 
In reply to a post by BatBoy:
I think G.INP is more about throughput not sync speed.


My line has improved interleave, now only depth 8 rather than depth 1021, and I've seen download speeds improve by a few meg. However upload is worse, but my logs are incomplete.

plusnet unlimited fibre - 2 Jun 14 - 470m - 80/20 - Summer/dry sync 55/9.4, Winter/wet sync 52/9.1
15 years broadband (1999 ntl:cable trial) - Asus RT-AC68U with HG612 - BQM - Summer PN speed - Winter PN speed
Administrator MrSaffron
(staff) Thu 19-Mar-15 12:05:10
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Re: Speed issue..


[re: deleted] [link to this post] 		 
Seen people lose sync speed at the same time interleave is switched on, and see some gain some of this back once G.INP appears.

Interleaving on VDSL2 has always been a much harsher tool than it was on ADSL/ADSL2+

Andrew Ferguson, [email protected]
www.thinkbroadband.com
Personal website including useful broadband snippets and maps
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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