NANOG Operational TTL Alert for 160-bit Headers (aka IPv4)

Mark Gauvin MGauvin at dryden.ca
Sat Mar 3 19:20:21 CST 2012


Someone has been drinking the bong water

Sent from my iPhone

On 2012-03-03, at 5:03 PM, "Guru NANOG" <nanog.guru at gmail.com> wrote:

> Common Misconception - IPv4 is Out of Address Space
>
> NANOG Operational TTL Alert for 160-bit Headers (aka IPv4)
>
> The 8-bit TTL field is reduced to 4-bits plus two 11 bits stuck at 1
> for a long time
>
> The new 8-bit fields are: SD11TTTT
>
> Packets without the 11 will enter Deep Packet Inspection processing  
> (slow)
>
> SD are new Source and Destination Address bits set via the generic
> AAAA 128-bit records
>
> 4+8+12+30+6 = 60 + 68 = 128
>
> VRHL+111.T1.000+Port12+30+Frag6
>
> T1 sets the TTL bits - Use T0 at your own risk - VRHL=0101=5
>
> NANOG.GURU.☺
>


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