Chris Tyler wrote:
On Fri, 2009-08-14 at 08:29 -0700, Daniel B. Thurman wrote:
I have been testing my residential ISP/DSL-Landline
connections and wanted to make sure that I was getting
what I am paying for. Supposedly, one can use the various
website based "speed test" tools to determine their upload
and download speeds.
Are these "speed test" tools credible and can they
be trusted?
Of the several sites I have tried, they all more or less
seemed to be in close agreement with one another in
terms of the bandwidth speeds, i.e. my connection
speed is quoted at 768KB/s up and 3MB/s down,
and the farther away from central, the more reduced
is the speeds are.
The average speed tools says that I have measured
speeds of 720-30 KB/s up and 2.0-5MB/s down.
Why is it however, that when downloading software
from the various Linux/M$ and other downloads sites
I am seeing on average, speeds of 200-320(max) KB/s
and never see anything much faster than that?
Yes. 3 megaBITs per second is just over 300 kiloBYTEs per second. There
are 8 bits per byte, plus there's packet and protocol overhead, so a
10:1 ratio between the numbers is normal.
So, does that mean I am wasting money by going from
768KB/s Up / 768KB/s Down to 768KB/s Up / 3MB/s
Down since I will never obtain download speeds faster
than the Upload limit of 768KB/s ???
No, if you downgraded to 768 kilobit/sec service you would expect a
maximum download speed of around 75-80 kilobytes per second.
-Chris
Duh-Oh. That makes more sense. I just posted a follow up before
receiving this message and I thought I "get it", but apparently I missed
the boat :P Thanks for clarifying this!
Dan
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