[arin-ppml] ARIN-prop-127: Shared Transition Space for IPv4 Address Extension

George, Wes E [NTK] Wesley.E.George at sprint.com
Mon Jan 24 10:19:53 EST 2011


> -----Original Message-----
> From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On
> Behalf Of Frank Bulk - iName.com
> Sent: Friday, January 21, 2011 7:37 PM
> To: 'Leo Bicknell'; arin-ppml at arin.net
> Subject: Re: [arin-ppml] ARIN-prop-127: Shared Transition Space for
> IPv4 Address Extension
> 
> The problem is that many service providers are using non-192.168.0.0/24
> RFC-1918 space device management.
> 
> Frank

[WES] Devices which are under the *service provider's* control to renumber
into non-conflicting IPv4 space, to move to IPv6, or to put in a separate
NAT444 pool from the user devices. Still not convinced 1918 is unusable for
this application.

Wes George
> 
> -----Original Message-----
> From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On
> Behalf Of Leo Bicknell
> Sent: Friday, January 21, 2011 12:38 PM
> To: arin-ppml at arin.net
> Subject: Re: [arin-ppml] ARIN-prop-127: Shared Transition Space for
> IPv4
> Address Extension
> 
> 
> I realize the desire to not use 1918 space for this comes from the
> fact that a customer may also be using 1918 space already and a
> conflict causes reachability issues.  In the context of doing this
> for say enterprises, that makes sense.
> 
> In the context of home users, not so much.  The vast majority of
> the home users who buy a Linksys or similar are in a small number
> of ranges, e.g. 192.168.0.0/24 and 192.168.1.0/24.
> 
> Prompting the quesiton, if you figured out what 99% of the home CPE
> uses, subtracted from 1918 space, wouldn't you be left with well more
> than a /10 from 10/8?  Couldn't you just avoid the parts used by common
> CPE and use 10/8 for NAT444?
> 
> Yes, you still need to detect and deal with the odd customer who has a
> collision, but no solution is free.  If that is rare, it may be a lower
> cost to the community than setting aside a /10.
> 
> --
>        Leo Bicknell - bicknell at ufp.org - CCIE 3440
>         PGP keys at http://www.ufp.org/~bicknell/
> 
> 
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