[101216] in North American Network Operators' Group
Re: v6 subnet size for DSL & leased line customers
daemon@ATHENA.MIT.EDU (Daniel Hagerty)
Sun Dec 23 13:55:42 2007
To: Ross Vandegrift <ross@kallisti.us>
Cc: Iljitsch van Beijnum <iljitsch@muada.com>, Deepak Jain <deepak@ai.net>,
Joe Greco <jgreco@ns.sol.net>, nanog@merit.edu
From: Daniel Hagerty <hag@linnaean.org>
Date: 23 Dec 2007 13:53:41 -0500
In-Reply-To: Ross Vandegrift's message of "Sun, 23 Dec 2007 12:54:34 -0500"
Errors-To: owner-nanog@merit.edu
Ross Vandegrift <ross@kallisti.us> writes:
> Ahhh, thanks - that is the only thing I have ever seen that gives any
> reason for the /64 prefix. Sadly, the document contains no
> compelling technical reasons for it - looks like it's done just so
> things are easy when generating interface IDs from ethernet addresses.
One good guess for the rationale is to preserve the possibility of
splitting the host and network identifier namespaces, like XNS and
some others do. Should it be deemed the way forward, the current
policy makes it slightly more of a possibility to decouple them after
the fact.
