Re: [trill] Eric Rescorla's No Objection on draft-ietf-trill-centralized-replication-12: (with COMMENT)

Eric Rescorla <ekr@rtfm.com> Thu, 11 January 2018 03:59 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Wed, 10 Jan 2018 19:58:18 -0800
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To: Donald Eastlake <d3e3e3@gmail.com>
Cc: The IESG <iesg@ietf.org>, draft-ietf-trill-centralized-replication@ietf.org, trill-chairs@ietf.org, trill@ietf.org
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Subject: Re: [trill] Eric Rescorla's No Objection on draft-ietf-trill-centralized-replication-12: (with COMMENT)
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On Wed, Jan 10, 2018 at 7:52 PM, Donald Eastlake <d3e3e3@gmail.com> wrote:

> Hi Eric,
>
> Thanks for your comments.
>
> On Mon, Jan 8, 2018 at 9:13 AM, Eric Rescorla <ekr@rtfm.com> wrote:
> > Eric Rescorla has entered the following ballot position for
> > draft-ietf-trill-centralized-replication-12: No Objection
> >
> > ...
> >
> > ----------------------------------------------------------------------
> > COMMENT:
> > ----------------------------------------------------------------------
> >
> >
> >    if a triple of {ingress nickname, tree, receiving RBridge port} is
> >    allowed. (The tree is indicted by the nickname of its root which is
> >    stored in the TRILL Header "egress nickname" field.) When
> > I think this probably should be "indicated"
>
> Thanks, that was fixed in the -12 version.
>

OK.


>
> > 7. Centralized replication forwarding process
> > This diagram would be helpful earlier
> >
> >
> >
> >                      *   ----------*-------------*--    ^
> >                      ***************************** |     ^
> >               LAALP1 *                      LAALP2 |      ^
> > What are the asterisks?
>
> The asterisks are intended to show the connection of CE1 to RB1, RB2, and
> RB3.
>

That's what I thought. Perhaps it would be useful to say, however.



>
> >    equals (m mod k) as egress nickname for BUM traffic unicast TRILL
> >    encapsulation.
> > This text might be easier to read as:
> >
> > "For data label ID m, choose R-nickname = m mod k"
> >
> > The "equals" isn't that helpful here, but if you wanted to say it that
> way, you might try
> > "choose the R-nickname n which is equal to m (mod k)"
>
> Well, its not the R-nickname=m mod K but rather that, as stated in
> point 1 immediately above the point 2 we are talking about, m mod k
> give the number of the R-nickname in the ordered and numbered list.
>

Fair enough. Perhaps
"Choose the R-nickname whose index is given by m mod k"?



>
> Thanks,
> Donald
> ===============================
>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>  155 Beaver Street, Milford, MA 01757 USA
>  d3e3e3@gmail.com
>
> >             o C = If C flag is one, it indicates that the TRILL traffic
> >    with this nickname as an ingress nickname that requires the special
> > Nit: I would use ":" here instead of equals
>