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Internet Speed

Posted on 2014-02-16
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Hi all,

I work at a university.  Our students take online testing.  So here is my question:
Would 20 Mbps down speed be adequate for 25 workstations accessing the internet at the same time?  All 25 workstations, only these 25 workstations, will be accessing the internet at the same time.  No other applications or programs will be running.  If 20Mbps is too low what would be recommended?

Also, is there a rule of thumb such as 3 workstations to every 1 Mbps?  

Thanks in advance
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Question by:Reyesrj
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Gregory Miller earned 2000 total points
ID: 39863780
somewhat depends on what they are surfing... Live video streams might be a little to low. Playing Zork Online ( a text based adventure game for you younger folks), no problem...

There is no "rule of thumb" you can go by and inevitably, whatever you pick will be wrong. Not wrong in that 20MB is too low because it could be wrong as in overkill and wasted.

Sit down and do an analysis of the sites where these workstations will go and measure the bandwidth at the points where the usage is heaviest. If taking online tests is all they will be doing, that does not describe the rich or not rich content of the test. You need to look at the actual data required to process through the tests and then multiply that by 25 and then pad those results with an additional 15% for the just in case. This will give you a comfort zone where all 25 computers are hitting the heaviest area at the same time and you still have some wiggle room.
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by:Reyesrj
ID: 39863823
Thanks for the quick response!
I won't know what we need unless we monitor the network during peak times.
Thanks for the suggestion.
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