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Article #2537

Re: CompuServe backlog; mail servers (LONG)

#2537
From: Lyle Seaman
Date: Fri, 28 Dec 1990 20:50
15 lines
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mrm@sceard.Sceard.COM (M.R.Murphy) writes:

>I heard this as "the fastest way to deliver data across the country is to fill
>a truck with magtapes and drive it" in the early 1970s. Is it worth calculating
>to see if this might be the case? I think it was Tom Reidel that said it.

Well, if we update the example a bit, at 16 Gigabytes/pound for optical
disks, a one-ton pickup truck full crossing the country in three days has
a bandwidth of 126 MBytes/sec.  Which is pretty good, but the delay is 
awful.  Do you know how long it takes to write 32 Terabytes of data? 
(Actually, the cost isn't too bad either.)

-- 
Lyle                  Wang           lws@capybara.comm.wang.com
508 967 2322     Lowell, MA, USA     Source code: the _ultimate_ documentation.
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Message-ID: <1990Dec28.205035.11178@comm.wang.com>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!wang!comm.wang.com!lws
References: <1990Dec13.235726.563@jpradley.jpr.com> <KARL.90Dec17233700@giza.cis.ohio-state.edu> <1990Dec19.150853.10463@sceard.Sceard.COM>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!wang!comm.wang.com!lws
From: lws@comm.wang.com (Lyle Seaman)
Newsgroups: comp.mail.misc
Subject: Re: CompuServe backlog; mail servers (LONG)
Message-ID: <1990Dec28.205035.11178@comm.wang.com>
Date: 28 Dec 90 20:50:35 GMT
References: <1990Dec13.235726.563@jpradley.jpr.com> <KARL.90Dec17233700@giza.cis.ohio-state.edu> <1990Dec19.150853.10463@sceard.Sceard.COM>
Organization: Wang Labs, Platform Comms.
Lines: 15