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Re: Exchanges that matter...

  • From: Tim Salo
  • Date: Fri Dec 06 10:31:16 1996

> Date: Thu, 5 Dec 1996 14:56:00 -0800
> From: Vadim Antonov <avg@pluris.com>
> To: paul@vix.com, salo@msc.edu
> Subject: Re: Exchanges that matter...
> Cc: nanog@merit.edu
	[slashing and reordering your response slightly]
> ATM as a LAN is probably ok, if it can compete with Gb Ethernet
> price/performance-wise.

Precisely my point, (which you managed to delete in your response).
Price/performance seems like a pretty good analysis technique, at
least for technologies that pass some basic hurdles, like "working."

> FDDI is not a WAN technology.  Losing 20% of bandwidth of a 10 ft
> piece of fiber is one thing.  Losing 20% of bandwidth of a
> $3M/yr circuit is quite different.

I don't understand.  Are you trying to say that price/performance
analysis is appropriate for LAN technologies, but not for WAN technologies?

Now, I could understand if you said, "I analyzed ATM WAN services for
one configuration once and concluded that other technologies provided
better cost/performance in all possible configurations," or even
"I don't think ATM products and standards are mature enough for my
application."  However, you seem to be saying that wide-area technologies
should be assessed based on total cost and overhead, rather than on
cost/performance...

-tjs
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