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From: jak@cetlink.net (John Kelly)
To: efinley@castlenet.com
Cc: freebsd-questions@freebsd.org
Subject: Re: Q: which ppp to use?
Date: Sat, 10 Jan 1998 20:11:28 GMT
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On Sat, 10 Jan 1998 18:58:08 GMT, efinley@castlenet.com (Elliot
Finley) wrote:

>>>If I plan on having up to 200 simultaneous ppp dialins on a single
>>>box, which ppp would be better? pppd or user ppp?
>>
>>Neither one, because that airplane will not fly.
>>
>>32 ports per box, or perhaps 64 with the right stuff, hardware wise.
>>You will need more than one box.
>>
>
>What is the limiting factor?  Memory? Cpu power? what?
>
>My box is a Pentium II 233, with 64MB ram....  How much processing
>power and memory does a portmaster have?  If I need more memory I'll
>just put more memory in it...  So what IS the limiting factor?

I/O "bandwidth."  The PC architecture was not designed for the I/O
bandwidth needed to handle 200 loaded ports.  But if you want to see
how high you can go, I would like to hear your report.

John