[arin-ppml] Why are ISPs allowed?

[Dan White]

Kevin Kargel wrote:
>> -----Original Message-----
>> From: Dan White [mailto:dwhite at olp.net]
>> Sent: Tuesday, January 27, 2009 3:21 PM
>> To: Kevin Kargel
>> Cc: Ted Mittelstaedt; ARIN-PPML at arin.net
>> Subject: Re: [arin-ppml] Why are ISPs allowed?
>>
>>     
> {snip}
>   
>> For those customers who want it today (or when I have an IPv6 modem in
>> hand), experience tells me they'd be perfectly happy to drop by an
>> office to exchange the modem out, if they believe they're getting value
>> out of the switch.
>>
>> - Dan
>>     
>
> Therin lies the rub, what people are talking about is not change out by
> attrition over years with a gradual fade to v6, they are talking about an
> enterprise network rollout changing to v6 across the board in a relatively
> short time..  a different animal altogether..  this may be an elephant, but
> it would be an elephant with a short shelf life..
>
> Rotation by attrition would not meet the need.  Support of the v4 stack and
> netblock would necessarily be maintained as long as there is one customer in
> the netblock.
>   

I would certainly advise against a 'big power switch' flip.

The amount of gradual role out you're afforded is directly proportional 
to how early you start.

- Dan