Great Circle Associates Firewalls
(May 1994)
 

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Subject: re: screend performance
From: Paul A Vixie <paul @ vix . com>
Date: Wed, 18 May 1994 01:48:13 -0700
To: Firewalls @ greatcircle . com

geoff mulligan wrote:
> Is screend running on a 486 "fast enough" to keep up at ethernet speed?

no.  i don't think a unix kernel can context switch that fast.  maybe a
dec alpha could do it, and i'd love to try it on a 90MHz pentium.  but on
a 486DX2-66 with two DMA ethernet controllers...

> How about faster than a T1?

...it's faster than a T1 but not by much.  with an average mix of packet
sizes (some max, some min, most ~1K) it'll do about an E1 worth of bandwidth.

i'm not on the firewalls list so if you want me to see your replies to this,
please cc me.

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