[181824] in North American Network Operators' Group
Re: Dual stack IPv6 for IPv4 depletion
daemon@ATHENA.MIT.EDU (William Waites)
Sun Jul 5 14:40:22 2015
X-Original-To: nanog@nanog.org
Date: Sun, 05 Jul 2015 19:39:17 +0100 (BST)
To: jmoore@atcnetworks.net
From: William Waites <wwaites@tardis.ed.ac.uk>
In-Reply-To: <9D9406E1-1C9B-4D1F-A211-583412E520FF@atcnetworks.net>
Cc: johnl@iecc.com, nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
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On Sun, 5 Jul 2015 18:25:26 +0000, Josh Moore <jmoore@atcnetworks.net> said:
> So basically what you are telling me is that the NAT gateway
> needs to be centrally aggregated.
If you must do NAT it should be as close to the edge as
possible. Today that's usually at the CPE. Maybe tomorrow that's one
hop upstream at the distribution router. That way the core remains
clean and doesn't accumulate state or have to deal with asymmetries.
-w
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