IETF - Overlapping IPv4 Address Support

Tue Mar 6 21:09:23 UTC 2012

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.