[96973] in North American Network Operators' Group

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Re: IPv6 Advertisements

daemon@ATHENA.MIT.EDU (bmanning@karoshi.com)
Tue May 29 20:53:24 2007

Date: Wed, 30 May 2007 00:37:43 +0000
From: bmanning@karoshi.com
To: Brandon Butterworth <brandon@rd.bbc.co.uk>
Cc: nanog@nanog.org
In-Reply-To: <200705291714.SAA26372@sunf10.rd.bbc.co.uk>
Errors-To: owner-nanog@merit.edu


On Tue, May 29, 2007 at 06:14:51PM +0100, Brandon Butterworth wrote:
> 
> You get one shot at fixed prefix size filters, miss and you'll pay
> forever. Which is more scarce, /32's or routing table entries.

	your first lema is false.
	and RTE are more scarce.

> 
> brandon

	let me ask you two questions:
		... how many /32's are there?  
		... how many of them will you allow in your routing table?

	and a bonus question:
		... what are your criteria for rejecting a given /32?

--bill


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