IETF - Overlapping IPv4 Address Support

Tim Jackson jackson.tim at gmail.com
Tue Mar 6 19:54:11 CST 2012


I thought you were gonna read up on the timecube.
On Mar 6, 2012 2:57 PM, "Guru NANOG" <nanog.guru at gmail.com> 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.
>


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