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Author Topic: Best Effort vs Download Speed question  (Read 1743 times)

bbnovice

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Best Effort vs Download Speed question
« on: March 13, 2012, 06:38:41 PM »

Hi,

I wonder if anybody can advise if the following is "normal":

I'm on BT Infinity 2 so 40Mbs (in theory) and line profile is 38Mbs. No wireless connections are being used.

Using BT Speedtester and selecting the "over 24mbs speed" option I consistently get results of between 34-37Mbs. Selecting the "diagnostics" option I see much lower "best effort" speed reported, often of around 11Mbs and never more than 15Mbs irrespective of time of day. Tonight at 5:30pm was fairly typical - 34Mbs download but only 13Mbs "best efforts".

I understand that "best efforts" is subject to contention etc, but is such a large difference between download test and  "best effort" results typical?

BBN
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camallison

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Re: Best Effort vs Download Speed question
« Reply #1 on: March 13, 2012, 07:38:08 PM »

I am having similar results on my line - it all started about 10 days ago.  A couple of days ago, I noticed a BT announcement (I think on the status page) that said they were replacing/adding to existing FTTC and FTTP equipment at "trunk" level to improve "customer experience" ...... whatever that means.  Maybe, now that take-up is higher, they are seeing contention at a higher level, especially if many have also signed up to TV too.

A more informed explanation may be along soon from one of our techies.

Colin
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