Great Circle Associates Firewalls
(April 1995)
 

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Subject: Re: Firewall running at T3 speeds
From: bmanning @ ISI . EDU
Date: Mon, 24 Apr 1995 07:21:23 -0700 (PDT)
To: byrum @ vbv . dec . com (Frank Byrum)
Cc: firewalls @ greatcircle . com, byrum @ vbv . dec . com
In-reply-to: <9504241238 . AA11813 @ vbv03 . vbv . dec . com> from "Frank Byrum" at Apr 24, 95 08:38:06 am
Posted-date: Mon, 24 Apr 1995 07:21:23 -0700 (PDT)

> 
> Yes!  FDDI to FDDI firewalls work just fine, but as you progress to
> higher and higher speeds the hardware performance becomes more of an
> issue.  At higher speeds one would worry about NIC to NIC transfers,
> speed of memory, CPU performance, and I/O bus width/speed.
> 
> This should extend to ATM firewalls.  As speeds increase, the game
> changes.
> 
> Frank
> 

Uh, ATM is a totally different game.  Once you hit ATM, you are no longer
playing the game on a transit media, where everyone can see your packets.
ATM is built on point to point "circuits", which should cause a bit of 
rethinking on the part of firewall designers.

-- 
--bill


References:
Indexed By Date Previous: Re: Firewall failure modes (was Re: performance)
From: amolitor @ anubis . network . com (Andrew Molitor)
Next: RE: Parallel Processor for Firewall
From: padgett @ tccslr . dnet . mmc . com (A. Padgett Peterson, P.E. Information Security)
Indexed By Thread Previous: Re: Firewall running at T3 speeds
From: "Frank Byrum" <byrum @ vbv . dec . com>
Next: Re: Firewall running at T3 speeds
From: lavondes @ tidtest . total . fr (Michel Lavondes)

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