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Aspiring Contributor
308 Views
Message 11 of 15

Re: Is my sync speed inappropriately capped?

licquorice,

 

Whilst I agree with you for about 99% of situations, when you consider video streaming and IPTV there are some use cases in some households where an extra, say, 7Mb/s would be material. Especially when you consider that Netflix at 4K is approx 25Mb/s and BTTV's HD streams are about 8.

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Distinguished Sage
Distinguished Sage
301 Views
Message 12 of 15

Re: Is my sync speed inappropriately capped?

Target SNRM for DLM is being reduced from 6dB to 3dB in the near future, there are also rumours of a less stringent DLM being employed also. Hopefully the changes may invoke a DLM reset for your line.

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Distinguished Sage
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Message 13 of 15

Re: Is my sync speed inappropriately capped?

Only line that are deemed "green" will be eligble for a reduction in target SNR. Lines which have previously been banded will not as far as I know. Only lines which remain on a true "open band" (0.128-80.00meg) will be considered for a reduction.
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Guru
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Message 14 of 15

Re: Is my sync speed inappropriately capped?


@licquorice wrote:

Target SNRM for DLM is being reduced from 6dB to 3dB in the near future, there are also rumours of a less stringent DLM being employed also. Hopefully the changes may invoke a DLM reset for your line.


Perhaps ... but my own opinion is that only green connections will see the 3db margin, because they can still be stabilised if they go gangster, with the levels of interleave and G.INP presently catered for. I think that if they tried to do it with amber connections that prove troublesome to stabilise now there wouldn't be sufficient scope in error correction to make it worthwhile, it may exacerbate the problems. And even if the algorithms are relaxed as such, there's no way BT will support vast amounts of corrupted data on the backhaul otherwise what's the point if you see where I'm coming from ... (IMO)
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Distinguished Sage
Distinguished Sage
284 Views
Message 15 of 15

Re: Is my sync speed inappropriately capped?

Totally agree about the 3dB, but I'm hopeful that there may be some degree of relenting with banded lines that are effectively in limbo and could be released.

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