Re: [trill] Eric Rescorla's No Objection on draft-ietf-trill-arp-optimization-09: (with COMMENT)
Donald Eastlake <d3e3e3@gmail.com> Thu, 09 November 2017 14:26 UTC
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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Thu, 09 Nov 2017 09:26:07 -0500
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To: Eric Rescorla <ekr@rtfm.com>
Cc: The IESG <iesg@ietf.org>, draft-ietf-trill-arp-optimization@ietf.org, "trill-chairs@ietf.org" <trill-chairs@ietf.org>, Susan Hares <skh@ndzh.com>, "trill@ietf.org" <trill@ietf.org>
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Subject: Re: [trill] Eric Rescorla's No Objection on draft-ietf-trill-arp-optimization-09: (with COMMENT)
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Hi Eric, Thanks for clearing your DISCUSS. See responses below to your remaining COMMENTs. On Thu, Nov 9, 2017 at 8:40 AM, Eric Rescorla <ekr@rtfm.com> wrote: > > Eric Rescorla has entered the following ballot position for > draft-ietf-trill-arp-optimization-09: No Objection > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > S 2. > > plane on the edge RBridges, it should be possible to completely > suppress flooding of ARP/ND messages in a TRILL Campus, When all end- > station MAC addresses are similarly known, it should be possible to > suppress unknown unicast flooding by dropping any unknown unicast > received at an edge RBridge. > > Are these "should be possibles" normative? Descriptive? The following sentence was added earlier in Section 2 to make it clear that these were not normative: "This section is a general discussion of this problem and is not intended to be normative." > S 4. > This is a sequence of steps, so it would be nice to preface them with > a list of the steps. It's also odd to have SEND considerations right > in the middle here. > > 4.3 Get Sender's IP/MAC Mapping Information for Non-zero IP > Please explain what a non-zero IP is and why it's relevant. > This graf also needs an introductory sentence or something before > the bullets. Section 4.3 has been re-named. "non-zero" no longer occurs anywhere in this document. An introductory paragraph was added before the bullets. > S 4.4. > It is not essential that all RBridges use the same strategy for which > option to select for a particular ARP/ND query. It is up to the > implementation. > > This seems inconsistent with the MUST in arm (b) below, because I > can just take some other arm. It's also kind of surprising to be this > non-prescriptive. This is not actually inconsistent. The paragraph at the beginning of Section 4.4 explains that which lettered "arm" you take is fixed by the situation; it is an implementation choice which numbered sub-arm to take under each lettered arm. > S 8. > some other location (MAC/VM Mobility) and gets connected to egde- > > Nit: edge is mispelled. As far as I can see, the misspelling of edge has been fixed in -09. Thanks, Donald =============================== Donald E. Eastlake 3rd +1-508-333-2270 (cell) 155 Beaver Street, Milford, MA 01757 USA d3e3e3@gmail.com
- [trill] Eric Rescorla's No Objection on draft-iet… Eric Rescorla
- Re: [trill] Eric Rescorla's No Objection on draft… Donald Eastlake
- Re: [trill] Eric Rescorla's No Objection on draft… Eric Rescorla
- Re: [trill] Eric Rescorla's No Objection on draft… Donald Eastlake