Re: [Roll] Ralph Droms' Discuss on draft-ietf-roll-of0-15: (withDISCUSS and COMMENT)

Hi Michael,

I have tried to find your previous comments on the issue of using
symmetric key for authentication but could still not quite understand.
Could you give a summary here before the ID is available?

Thanks,
Tzeta

> -----Original Message-----
> From: roll-bounces@ietf.org [mailto:roll-bounces@ietf.org] On Behalf
Of
> Michael Richardson
> Sent: Wednesday, August 10, 2011 9:30 AM
> Cc: roll@ietf.org; draft-ietf-roll-of0@tools.ietf.org; roll-
> chairs@tools.ietf.org; The IESG
> Subject: Re: [Roll] Ralph Droms' Discuss on draft-ietf-roll-of0-15:
> (withDISCUSS and COMMENT)
> 
> 
> >>>>> "Michael" == Michael Richardson <mcr@sandelman.ca> writes:
> >>>>> "Ralph" == Ralph Droms <rdroms.ietf@gmail.com> writes:
>     Ralph> 5. In section 4.2.1, what does it mean to "validate a
>     Ralph> router"?  Why would a router that passes validation
>     Ralph> ("succeeded that validation process") only be "preferable"?
> 
>     Michael> I think, it refers to rpl-19 section 3.2.3, to the
>     Michael> "authenticated" mode.  This mode is completely unworkable
>     Michael> with asymmetric crypto.  I guess I need to write an ID
> that
>     Michael> explains this better.
> 
> Should read:
>        This mode is completely unworkable *without* asymmetric crypto.
> 
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