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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!news.unimelb.EDU.AU!munnari.OZ.AU!news.ecn.uoknor.edu!news.eng.convex.com!newshost.convex.com!newsgate.duke.edu!news.mathworks.com!newsfeed.internetmci.com!howland.reston.ans.net!EU.net!Belgium.EU.net!news.bel.alcatel.be!bln.sel.alcatel.de!news From: blume_h@slbwlz.bln.sel.alcatel.de (H. Blume von Contributed) Newsgroups: demon.ip.support,demon.tech.unix,comp.unix.bsd.freebsd.misc Subject: Re: Batch FTP and Web Pages Date: 05 Jul 1996 14:59:28 +0200 Organization: Alcatel SEL Lines: 41 Sender: blume_h@slbwlz.bln.sel.alcatel.de Message-ID: <k8afxe7t5b.fsf@slbwlz.bln.sel.alcatel.de> References: <31D4AA3A.BC0@www.play-hookey.com> <31D87436.7C7F@www.play-hookey.com> <836295557snz@dsl.co.uk> <4rcr6v$dh@anorak.coverform.lan> <199607040904.LAA03824@jes.noc.nl.demon.net> NNTP-Posting-Host: slbwlz.bln.sel.alcatel.de In-reply-to: Jim Segrave's message of Thu, 4 Jul 1996 11:04:29 +0200 X-Newsreader: Gnus v5.1 >>>>> "Jim" == Jim Segrave <jes@demon.net> writes: In article <199607040904.LAA03824@jes.noc.nl.demon.net> Jim Segrave <jes@demon.net> writes: >> So, what you're saying is that demon - who recently were applying for >> another class B address space (about 65000 users currently?) have decided >> in their infinite wisdom to invest in a T3? Well, bully for them. Let's >> see, 45,000,000 bits / 65,000 users = 692 *bits* each. Woooooffff ! >> I'll get out there and start my 86 byte/sec download now ! Ok, maybe >> that's a bit unfair. They havn't got the capacity to have everyone >> connected at once. Let's say they allow 6000 of us in at once, what's >> that, about 937 bytes per second ? In fact, this *wonderful* T3 will >> allow a staggering 1607 28.8k users to get max throughput. I'd better >> rush home and get in there first. Jim> You are aware that either he isn't or doesn't want to. Jim> 1) we don't have 65,000 dial in lines, so dividing the bandwidth by Jim> the number of customers is a pointless exercise in arithmetic Jim> 2) if we did, it's extremely unlikely all of our users would be Jim> connected at the same time - there's an unconfirmed rumour that Jim> some of our customers have something called a 'real life' Jim> 3) that they would all need trans-Atlantic connectivity. 4) the users don't send permanently to the US all month. the math: if they did, they could still transfer about ~2592000 seconds * 86 bytes = ~222912000 bytes each per month, summing up to a total capacity of ~14580000000000 bytes (~14.5TB). in each direction, btw. you definitely have a *slow* link! ;-) rgds hb -- email: src@contrib.COM / Heiko.Blume@bln.sel.alcatel.de TCP/IP GmbH, Woertherstr. 16, 10405 Berlin Tel: +49.30/443366-0, Fax: +49.30/443366-15