[73582] in North American Network Operators' Group
Re: Best Practices for Enterprise networks
daemon@ATHENA.MIT.EDU (Fergie (Paul Ferguson))
Sun Aug 29 20:15:01 2004
From: "Fergie (Paul Ferguson)" <fergdawg@netzero.net>
Date: Mon, 30 Aug 2004 00:13:18 GMT
To: iljitsch@muada.com
Cc: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu
Asymmetric paths are a fact of life in the Internet.
- ferg
-- Iljitsch van Beijnum <iljitsch@muada.com> wrote:
On 30-aug-04, at 0:50, Tracy Smith wrote:
> Hello. I am tyring to gauge what the Best Practices are for
> Enterprise network connections to the Internet. Specifically, to NAT
> or not to NAT? At what point should NAT-ting be performed ...
> exclusively at the Egress point or at decentralized points? What
> about firewalling - centralized/decentralized?
Fortunately, I've never been in the position to make such decisions,
but I can tell you one thing: if you have multiple connections to the
internet, you had better make sure that your NATs and firewalls are
equipped to handle the case where you send a packet out through
connection A and the reply comes back through connection B.
--
"Fergie", a.k.a. Paul Ferguson
Engineering Architecture for the Internet
fergdawg@netzero.net or
fergdawg@sbcglobal.net
