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WAN bandwidth calculation

By roger_huang ·
What is the industry standard to estimate WAN bandwidth for following applications per user:
email
ftp
web browsing

For a company of the size of 30 using the above applications, what is the number to use to calcuate the total bandwidth? 10, 15 or 20?

Thanks for advance.

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by Nico Baggus In reply to WAN bandwidth calculation

There is no industry standard AFAIK.
It depends what are you doing.
Sending e-mail just short messages withou out
large attachments a 64Kbit line might be more
than needed. Also How fast needs the mail to go
out or come in....
Is it a problem if a mail transfer of 10Mbyte
takes 30 minutes or not...
Are you running a WebServer with lots of visitors
maybe a 100Mbit line is too small than.

For average Webbrowsing & FTP transfers
(Not P2P continuesly) A 256Kbit line might be
quite sufficient.

Do you need to download ISO images a lot 1 or 2
Mbit line might be better suited...

It really depends, otherwise look for an ISP that
will allow you to upgrade a line to a higher
speed (if possible) if it appears to be to small
in bandwidth.

HIH,
Kind regards,
Nico Baggus

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