Great Circle Associates Firewalls
(May 1994)
 

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Subject: Re: Screend ports (other than ULTRIX and BSD/386)?
From: jim @ Tadpole . COM (Jim Thompson)
Date: Sun, 8 May 94 16:15:02 CDT
To: Geoffrey . Mulligan @ Eng . Sun . COM, brent @ GreatCircle . COM, mjr @ tis . com
Cc: Firewalls @ GreatCircle . COM, Stephen . L . Arnold @ Arnold . Com, mulligan @ future . Eng . Sun . COM

> Geoff Mulligan writes:
> >Is screend running on a 486 "fast enough" to keep up at ethernet speed?
> >How about faster than a T1?
> 
> 	At ethernet speeds it adds something like 2-4ms to the latency.
> Not too bad, really. Not great, but for the price it's pretty good.

I'm reluctant to believe this figure is accurate under loaded
conditions.  Sure, 'ping' probably shows 2-4ms, but what happens when
39 random users are all ftp-ing the latest X11Rn release across your
internal firewall that connects both sides via ethernet?

Jim


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