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RE: Another LTE network turns up as IPv4-only squat space + NAT
From: "Justin M. Streiner" <streiner () cluebyfour org>
Date: Wed, 22 Aug 2012 11:57:57 -0400 (EDT)

On Mon, 20 Aug 2012, Chu, Yi [NTK] wrote:

It is not about security. It is about finding enough bits to service 7 digits number of subs.

IPv6 takes care of that problem quite effectively :)

If there is a major amount of gear in the network that will not support IPv6 (apply bat to vendor as appropriate), then I can understand going down the road of IPv4 + CGN, but I would consider that to be an absolute last resort. Not much upside, lots of downside.

jms

-----Original Message-----
From: Dobbins, Roland [mailto:rdobbins () arbor net]
Sent: Thursday, July 26, 2012 12:19 AM
To: NANOG list
Subject: Re: Another LTE network turns up as IPv4-only squat space + NAT


On Jul 19, 2012, at 3:50 PM, Måns Nilsson wrote:

No, reusing somebody's prefix is A Very Bad Idea.

Concur 100%.  There is no security value to doing this whatsoever - quite the opposite, given the possible negative 
consequences to reachability and, thus, availability.

-----------------------------------------------------------------------
Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

         Luck is the residue of opportunity and design.

                      -- John Milton




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