[135479] in North American Network Operators' Group
Re: Using IPv6 with prefixes shorter than a /64 on a LAN
daemon@ATHENA.MIT.EDU (Fernando Gont)
Tue Jan 25 21:02:55 2011
Date: Tue, 25 Jan 2011 23:00:52 -0300
From: Fernando Gont <fernando@gont.com.ar>
To: Douglas Otis <dotis@mail-abuse.org>
In-Reply-To: <4D3E0E64.4000001@mail-abuse.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 24/01/2011 08:42 p.m., Douglas Otis wrote:
> It seems efforts related to IP address specific policies are likely
> doomed by the sheer size of the address space, and to be pedantic, ARP
> has been replaced with multicast neighbor discovery which dramatically
> reduces the overall traffic involved.
This has nothing to do with the number of entries required in the
Neighbor Cache.
> Secondly, doesn't Secure Neighbor
> Discovery implemented at layer 2 fully mitigate these issues? I too
> would be interested in hearing from Radia and Fred.
It need not. Also, think about actual deployment of SEND: for instance,
last time I checked Windows Vista didn't support it.
Thanks,
--
Fernando Gont
e-mail: fernando@gont.com.ar || fgont@acm.org
PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1