[38756] in North American Network Operators' Group
Re: standards for giving out blocks of IP addresses
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Jun 12 20:53:56 2001
Message-Id: <200106130053.f5D0r0S15658@foo-bar-baz.cc.vt.edu>
To: Josh Richards <jrichard@cubicle.net>
Cc: nanog@merit.edu
In-Reply-To: Your message of "Tue, 12 Jun 2001 16:32:14 PDT."
<20010612163214.A29720@cubicle.net>
From: Valdis.Kletnieks@vt.edu
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Date: Tue, 12 Jun 2001 20:52:59 -0400
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On Tue, 12 Jun 2001 16:32:14 PDT, Josh Richards <jrichard@cubicle.net> said:
> * Valdis.Kletnieks@vt.edu <Valdis.Kletnieks@vt.edu> [20010612 13:03]:
> > Umm.. don't bother. Let's think this through. 2Mbits/sec of bandwidth
> > will only sustain about 40 56KB modems doing a simultaneous download.
> You've got an interesting view of the $20/mo. retail dial-up market
> economics. Very few access providers have end-users on dial-up with such
> thriving Internet habits (though each access providers' customer base
> differs).
OK.. I'll admit it - personal viewpoint *may* be a bit slanted, we've been
just a bit ahead of the curve - bev.net launched about a decade ago across
the hall from my office.
http://www.bev.net/project/brochures/about.html
The local people are on-line, big-time, real-time, all the time. At least
locally, we need to over-provision compared to what a lot of other people
are reporting.
> > Even adding in think time and the like, a /24 should be plenty wide enough.
>
> I can't contest this since the original poster provided insufficient
> information. A single /24 happens to be a default for some providers of T1
Well.. the question was how much space to sell to *another ISP*. Now, we've
seen several numbers that all seem to agree that several racks of modems will
saturate the 2Mb link to the customer ISP for a /24 or maybe a /23 worth
of dialup modem pool space.
If the new startup ISP is providing colocation, expect that either they
have colocated a lot of idle hardware, or that they'll saturate their 2Mb
even faster. I'd expect a /24 worth of webservers should saturate an
uplink even faster than a /24 worth of terminal servers.
> You've apparently not paid much attention to how this industry got started
> have you? Though, they will need the luck...I'll grant you that... :-)
I *was* paying attention - I was there. ;)
Just some days I forget there's people still trying to climb onto the
bandwagon we're desperately trying to get *off*. ;)
--
Valdis Kletnieks
Operating Systems Analyst
Virginia Tech
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