On Thu, Jan 03, 2002 at 11:00:03AM -0800, Hidong Kim wrote:
> But back to the technical problem, how does sending e-mails to multiple
> people eat up more bandwidth than placing the e-mail in a directory
> for download? Assuming that all of the recipients of the e-mail
> are interested in reading the attachment, it seems to me that both
> scenarios would consume the same bandwidth. No? Thanks,
Well, it's very different for several reasons.
First, as has been pointed out, when E-mailed, willy-nilly the mail server
is going to get hit with moving all the attachments at the same time.
Even assuming every single intended recipient really not only wants
to see the attachment, but wants to download their own, personal copy,
this will still be spread out over time as people get to it.
Secondly, it'll be the file server, not the mail server, carrying the
load--usually better suited to the task, and less visible.
Third, most people WON'T want their own copy--they'll probably open it
over the network, meaning that depending on the content, it'll be loaded
more sporadically, reducing the instantaneous network bandwidth required;
and there won't be local copies chewing up disk space. (This last will
happen more reliably if people are confident that the single network
copy is safe and accessable; if they think it's going to get deleted in
a few days, they're more likely to snag a copy.)
Finally, out of any particular group mailing, a fair number of people
simply won't care, taking them out of the resource-hogging pool.
Cheers,
--
Dave Ihnat
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