[3526] in North American Network Operators' Group

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Re: sell shell accounts?

daemon@ATHENA.MIT.EDU (Dave Siegel)
Fri Jul 19 19:03:13 1996

From: Dave Siegel <dave@rtd.net>
To: freedman@netaxs.com (Avi Freedman)
Date: Fri, 19 Jul 1996 16:01:01 -0700 (MST)
Cc: vansax@atmnet.net, richards@netrex.com, agislist@interstice.com,
        nanog@merit.edu
In-Reply-To: <199607192155.RAA26470@netaxs.com> from "Avi Freedman" at Jul 19, 96 05:55:35 pm

> Acceptable arguments are:

> o Switches can handle more throughput

That's difficult to quantify in theory *or* practice.

> o Switched networks are easier for humans (or at least, humans without
>   huge brians && many internal registers) to design/debug/maintain.

More levels of indirection does not mean it's easier for humans necessarily.
In fact, there are many more nobs to miss, and more places for error to
be introduced into your engineering model.

> o Switches are requied because without going to a smaller decision space
>   (re: how much work per unit the switch/router has to do to decide where
>    to forward the data unit off to), existing routed technology can't 
>   support moving IP packets at the desired speed while having to evaluate
>   the 40-60k routes we'll have soon.

But stuff that's in development sure can..

Dave

-- 
Dave Siegel		     Sr. Network Engineer, RTD Systems & Networking
(520)623-9663 x130	     Network Consultant -- Regional/National NSPs
dsiegel@rtd.com		     User Tracking & Acctg -- "Written by an ISP, 
http://www.rtd.com/~dsiegel/					for an ISP."

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