Re: 6MAN WG Adoption Call: draft-nordmark-6man-rs-refresh-01

[神明達哉 <[e-mail]>]

At Tue, 21 Apr 2015 11:21:17 -0700,
Erik Nordmark <[e-mail]> wrote:

> > - Section 5:
> >     Refresh Time:  16-bit unsigned integer.  Units is seconds.  The all-
> >                    ones value (65535) means infinite.
> >
> > What should the host do if this is 0?  Should it just keep sending
> > RSes? (I'm joking).
> Good catch. I'm inclined to just make zero be reserved, and state that
> hosts should ignore an RTO if the Refresh Time is zero - i.e. treat the
> RA as if the RTO was not present.
> Is that sufficient?

I think so.

> We could pick some arbitrary number (10 seconds?) and say that it is a
> lower bound, but I don't know how to pick such a number.

Some more conservative lower bound may also help, but I don't know how
to pick one either.  It's probably enough if you add a note that care
should be taken if this field is set to some small value so it won't
cause unexpected RS storm.

> > - Section 8.2: s/be be/may be/ (?)
> >
> >     [...]  That be be performed at deployment time (e.g., only
> >     hosts which are known to support RTO are configured with the layer 2
> >     security keys), or the routers detect any RSs which do not include
> I think "could be" is better since it avoids potential confusion with
> uppercase MAY.

I'm fine with 'could be'.

--
JINMEI, Tatuya