[155734] in North American Network Operators' Group
RE: Another LTE network turns up as IPv4-only squat space + NAT
daemon@ATHENA.MIT.EDU (Justin M. Streiner)
Wed Aug 22 11:58:53 2012
Date: Wed, 22 Aug 2012 11:57:57 -0400 (EDT)
From: "Justin M. Streiner" <streiner@cluebyfour.org>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <EAE35C4CDA0138429278368ABCE05D555160903D@PDAWM05A.ad.sprint.com>
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On Mon, 20 Aug 2012, Chu, Yi [NTK] wrote:
> It is not about security. It is about finding enough bits to service 7=
=20
> 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=20
IPv6 (apply bat to vendor as appropriate), then I can understand going=20
down the road of IPv4 + CGN, but I would consider that to be an absolute=20
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, M=E5ns 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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