[150849] in North American Network Operators' Group
Re: IETF - Overlapping IPv4 Address Support
daemon@ATHENA.MIT.EDU (Randy Whitney)
Tue Mar 6 16:10:31 2012
Date: Tue, 06 Mar 2012 16:09:23 -0500
From: Randy Whitney <randy.whitney@verizon.com>
To: Guru NANOG <nanog.guru@gmail.com>
In-reply-to: <CALWgkyr+B9rkfEny1ijKAG_iGQVjKK1w01rA36KGv0SjRLYhPw@mail.gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 3/6/2012 3:57 PM, Guru NANOG wrote:
> Adding four more bits to the Left of the Source Address and setting
> those bits to 1111 (0xF) can help to start the migration to "Regions"
> and more IPv4 Addresses - Using and Re-Using legacy
> spectrumhttp://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.txt
>
> 16 /8s for "Future use" - it looks like the "Future" has arrived
>
> 240/8 Future use 1981-09
> RESERVED [15]
> 241/8 Future use 1981-09
> RESERVED [15]
> 242/8 Future use
> ...
> 253/8 Future use 1981-09
> RESERVED [15]
> 254/8 Future use 1981-09
> RESERVED [15]
> 255/8 Future use 1981-09
> RESERVED [15]
>
> http://tools.ietf.org/html/draft-gundavelli-v6ops-community-wifi-svcs-014.13.
> Overlapping IPv4 Address Support Wi-Fi Service Provider may segment the
> network into regions. Two regions may use overlap IPv4 address space. This
> is particularly important when the Internet is transitioning to IPv6. The
> Wi-Fi SP may not have enough unique public IPv4 addresses to globally
> address large number of Wi-Fi device.
Please tell me this is a poor attempt at humor.
--
Randy.
