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Re: [trill] [RTG-DIR] Routing directorate QA review of draft-ietf-trill-rbridge-multilevel

Donald Eastlake <d3e3e3@gmail.com> Thu, 26 May 2016 04:23 UTC

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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Thu, 26 May 2016 00:23:23 -0400
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To: Stig Venaas <stig@venaas.com>
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Cc: "rtg-dir@ietf.org" <rtg-dir@ietf.org>, "Zhangxian (Xian)" <zhang.xian@huawei.com>, Alia Atlas <akatlas@gmail.com>, "trill@ietf.org" <trill@ietf.org>, Jonathan Hardwick <Jonathan.Hardwick@metaswitch.com>, Susan Hares <shares@ndzh.com>, Jon Hudson <jon.hudson@gmail.com>
Subject: Re: [trill] [RTG-DIR] Routing directorate QA review of draft-ietf-trill-rbridge-multilevel
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Hi Stig,

On Wed, May 25, 2016 at 3:26 PM, Alia Atlas <akatlas@gmail.com> wrote:
> Stig,
>
> Thank you very much for your review.  I'm also forwarding it to trill so
> that the WG can see it.
>
> Regards,
> Alia
>
> On Wed, May 25, 2016 at 2:28 PM, Stig Venaas <stig@venaas.com> wrote:
>>
>> Hi
>>
>> Sorry for being a bit late with this review. At least the document is
>> well written and easy to understand. There are no significant issues.
>>
>> I am wondering about the security considerations though. Are there
>> really no differences between the multi-level alternatives when it
>> comes to security?

Well, I guess a couple sentences could be added that the choice of
using aggregated nicknames, and the resulting possible duplication of
nicknames between areas, increases the possibility of a TRILL Data
packet being delivered to the wrong egress RBridge if areas are
suddenly merged. However, is many cases the data would be discarded at
that egress because it would not match a known end station data label
/ MAC address.

>> I have two tiny editorial comments.
>>
>> Section 1.4 typo
>> RBridge - Routing Bridge, an alterntive name for a TRILL switch
>>                                                ^^^^^^^^^

OK,

>> Also, several places it says "non-zero" which is correct, but there
>> are some instances of "nonzero".

Apparently both of those are correct but I agree the draft should use
one of them consistently. I'll replace the two instances of nonzero
with the hyphenated form.

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 155 Beaver Street, Milford, MA 01757 USA
 d3e3e3@gmail.com

>> Stig
>>
>>
>> On Wed, May 4, 2016 at 11:52 PM, Jonathan Hardwick
>> <Jonathan.Hardwick@metaswitch.com> wrote:
>> > Hi Stig
>> >
>> >
>> >
>> > Please would you do a routing directorate QA review of
>> > draft-ietf-trill-rbridge-multilevel?
>> >
>> > https://datatracker.ietf.org/doc/draft-ietf-trill-rbridge-multilevel/
>> >
>> >
>> >
>> > Note that this is a “QA review.” The document is still being worked on
>> > by
>> > the TRILL working group.  The goal of this review is to provide a
>> > different
>> > perspective on the work and to improve its quality. Hence, your comments
>> > will be provided primarily for the benefit of the TRILL chairs and the
>> > document authors.
>> >
>> >
>> >
>> > Please could you provide your comments by May 20 and copy your comments
>> > to
>> > the rtg-dir list?
>> >
>> >
>> >
>> > The following web page contains a briefing on the QA process, and
>> > guidance
>> > for the QA reviewer.
>> >
>> > https://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDirDocQa
>> >
>> >
>> >
>> > Please let me know whether you can do it, or not.
>> >
>> >
>> >
>> > Many thanks
>> >
>> > Jon
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>
>
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