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Weblog entry #434 for simonw

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#434
ADSL2 to ADSL2+ will speed improve?
Posted by simonw on Fri 2 Dec 2011 at 11:24
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With the recent update to our exchange, and the option of LLU to Thus at another exchange for work, I wanted to know what the speed impact would be of switching a slow line to ADSL2+.

The sales guy I spoke to said he didn't think it would help much, and that the expected speed on our line would be a fraction of the current attained speed(?!), and was I interested in "less contention?" (Not really).

Freeola have a graph of unknown origin here:

http://freeola.com/adsl2-21cn-rollout/

Which says basically if your ADSL performance is lousy it'll still be lousy, which is what I expected the answer to be.
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#1
Re: ADSL2 to ADSL2+ will speed improve?
Posted by ajt (109.170.xx.xx) on Fri 2 Dec 2011 at 21:03
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It depends where you are, if you are close to the exchange then the speed could triple. If you live a long way from the exchange it could actually be worse. You won't know until you try. ADSL2+ extracts a bit more from an obsolete technology but is no substitute for proper modern infrastructure that BT don't seem to want to install.

Apparently my exchange was upgraded to 21CN this week and we get LLU and ADSL2+ enabled at some point, but nothing has happened yet. It will mean I get double my transfer allowance and a reduced monthly fee from my ISP - even if it doesn't do anything for the actual speeds...

--
"It's Not Magic, It's Work"
Adam

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#2
Re: ADSL2 to ADSL2+ will speed improve?
Posted by medwayman (93.97.xx.xx) on Sat 3 Dec 2011 at 12:48
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FWIW I saw a doubling of speed both up and down when switching to O2/Be LLU.

But as said, what will happen on your connection could be a different matter.

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#3
Re: ADSL2 to ADSL2+ will speed improve?
Posted by Anonymous (84.45.xx.xx) on Sat 3 Dec 2011 at 17:20
But what was the speed before?

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