[116785] in North American Network Operators' Group
Re: IPv6 Addressing Help
daemon@ATHENA.MIT.EDU (Steve Bertrand)
Mon Aug 17 22:44:22 2009
Date: Mon, 17 Aug 2009 22:43:53 -0400
From: Steve Bertrand <steve@ibctech.ca>
To: ray@oneunified.net
In-Reply-To: <077301ca1f9d$5d6d9670$1848c350$@net>
Cc: 'Nanog' <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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Ray Burkholder wrote:
>> Why is is necessary insist that using bits in a fashion that doesn't
>> require that growth be predicated on requests for additional resources
>> be considered wasteful?
>>
>
> Don't we still need to subnet in a reasonably small fashion in order to contain broadcasts, ill-behaved machines, and other regular discovery crap that exists on any given segment? And if we have to segment in such a fashion, the request and allocation of additional resources is a natural consequence of such containment.
>
There are other ways around such problems. You've got larger issues if
you need to worry about this.
fwiw, I'm (in the ARIN region) assigning the value of a /56 for each
CP(E). Along side of that, I'm ensuring that the encompassing /48 is
reserved in the event that things go that way.
This ensures that each client receives a /56 minimum, but also ensures
that I can assign the rest of the /48 if ARIN enforces it, or divvy it
up appropriately from the PE to the CE in the event </48 becomes standard.
Steve
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