Using IPv6 with prefixes shorter than a /64 on a LAN

[fernando at gont.com.ar (Fernando Gont)]

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 at gont.com.ar || fgont at acm.org
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