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Bill_MI
Bill In Michigan
Premium,MVM
join:2001-01-03
Royal Oak, MI
kudos:2
Reviews:
·WOW Internet and..

The WOW speed test analyzed

I captured the packets, with time stamps of the WOW speed test at:
»speed.try.wideopenwest.com/

Download Speed: 15.758 Mbps (15758 kb/sec transfer rate)
Upload Speed: 2.149 Mbps (2149 kb/sec transfer rate)
Mon 10 Dec 2012 06:39:07 AM EST

I wanted to find out if this was decimal or binary bit numbers
It's definitely decimal.
I guess the big clue is how Mbps and kb/sec are presented above.

I took several packet windows and calculated the downstream speed (didn't do upstream at all) and I get:

Download Speed: 15.751 Mbps (decimal)
I stripped off standard 14+32 bytes for TCP overhead. Hey, that agreed nicely! A difference of 0.04% They don't get better than that.

Sorry... just an engineer with too much curiosity. Be assured the speed test is accurate. Now back to you regularly scheduled forum.


mix

join:2002-03-19
Utica, MI
Isn't this just the same Ookla speed test used by hundreds of other speed test servers?


Bill_MI
Bill In Michigan
Premium,MVM
join:2001-01-03
Royal Oak, MI
kudos:2

1 recommendation

Probably. But I can't vouch for any other instance of that Flash program. I was really surprised it checked out that close.


Bill_MI
Bill In Michigan
Premium,MVM
join:2001-01-03
Royal Oak, MI
kudos:2
Reviews:
·WOW Internet and..
reply to Bill_MI
Duh... I intended to mention the measurement is pure data and does not include any packet overhead.

If TCP overhead were included, 15.758 would have been 16.101 which is arguably a more real raw network bit rate.

This is probably the norm of speed tests today but didn't used to be.