Re: [Tsv-art] 2 really urgent review requests

Hi Micheal,

thanks! That's very helpful. Can we just ‚officially‘ assign this review to you and you enter these comments in the datatracker accordingly, such that the authors will also know about it and be able to fix it…?

Mirja

> Am 26.10.2017 um 13:01 schrieb Scharf, Michael (Nokia - DE/Stuttgart) <michael.scharf@nokia.com>:
> 
> I have quickly scanned through draft-ietf-6man-maxra-03, even if this is outside my area of expertise. 
> 
> I think the document has to better describe the impact of setting K to a large value (K >> 3), as a large K increases seems to increase the amount of needless traffic and could theoretically even result in congestion (or needless energy consumption).
> 
> Specifically, Section 3 explains that "K~=1 gives 99% reliability, K~=2 gives 99.99% reliability, and K~=3 gives 99.9999% reliability - the latter should be good enough for a lot of scenarios". I don't think there is a major issue for these values of K. But as far as I understand , what is missing is an explicit statement regarding the downside of larger values of K .
> 
> Specifically, I believe that in Section 4.  "Updates to RFC4861" ...
> 
>   As explained in Section 3, the relationship between MaxRtrAdvInterval
>   and AdvDefaultLifetime must be chosen to take into account the
>   probability of packet loss.
> 
> ... some additional guidance should be added regarding the tradeoff of reliability and needless traffic (or energy consumption).
> 
> As a nit, I wonder about the unit of "MaxRtrAdvInterval" in ...
> 
>   MaxRtrAdvInterval MUST be no greater than 65535.  AdvDefaultLifetime
>   MUST either be zero (the router is not to be used as a default
>   router) or be a value between MaxRtrAdvInterval and 65535.
> 
> According to RFC 4861 the parameter "MaxRtrAdvInterval" is in seconds but this is missing here.
> 
> 
> Anyway, I could just spent 15min on the doc...
> 
> Michael
> 
> 
>> -----Original Message-----
>> From: Tsv-art [mailto:tsv-art-bounces@ietf.org] On Behalf Of Martin
>> Stiemerling
>> Sent: Thursday, October 26, 2017 11:22 AM
>> To: tsv-art@ietf.org
>> Subject: [Tsv-art] Fwd: 2 really urgent review requests
>> 
>> used a wrong sender address...
>> 
>> 
>> -------- Weitergeleitete Nachricht --------
>> Betreff: 2 really urgent review requests
>> Datum: Thu, 26 Oct 2017 09:55:29 +0200
>> 
>> An: tsv-art@ietf.org
>> 
>> Hi all,
>> 
>> There are two drafts with a request by Mirja to review them, but these two
>> drafts are on the telechat today:
>> 
>> draft-ietf-bier-mpls-encapsulation-11
>> draft-ietf-6man-maxra-03
>> 
>> I am full loaded today and won't be able to read them, but does anybody
>> else have a free slot before 3 pm CEST to briefly review these two or one of
>> these drafts?
>> 
>> Thanks in advance,
>> 
>>   Martin
>> 
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