Re: 6man w.g. last call for <draft-ietf-6man-default-iids-11.txt>

Fernando Gont <fgont@si6networks.com> Sun, 22 May 2016 20:33 UTC

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Subject: Re: 6man w.g. last call for <draft-ietf-6man-default-iids-11.txt>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>, Mark Smith <markzzzsmith@gmail.com>
References: <20160428004904.25189.43047.idtracker@ietfa.amsl.com> <89CA2C18-AE61-4D40-8997-221201835944@gmail.com> <CAJE_bqdZ_D7jsDdWQ2FJpLH9cXveYfcye0W2J_mSi-7bYBrOKA@mail.gmail.com> <B849F263-9F99-48E8-B903-8FE7D2CDF277@cooperw.in> <CAJE_bqd1AWOuwvQcGzHg+dAWoump29g14HEA1BoVErXDXSMxaw@mail.gmail.com> <573BCFD0.8090801@si6networks.com> <CAJE_bqfKUbO7C6LnxOOUCVBU9e679_=159Yu6Ti0zhOGDuw98Q@mail.gmail.com> <A1111BEA-C14C-4574-9214-3D9B5500FEA1@cooperw.in> <CAKD1Yr23S4yHM=31VXTJq7t11P3__GEbbRhM0c085gBjQEGi-Q@mail.gmail.com> <19ae94cd-849f-0622-54bc-42cbad51368a@gmail.com> <CAKD1Yr1YN6SnUNp0HKqTNg6G0egkLveCOTG_7pHo9Zq3OFP4=g@mail.gmail.com> <a65c2157-044e-6207-314e-833313e5d458@gmail.com> <57407BBB.4030804@si6networks.com> <CAO42Z2zVpkZwQkFE0gGZTsS6hPh_=NSbcouzuzeCy=qmGyOamg@mail.gmail.com> <ff4732bc-704a-8ae7-90fe-28b7722017aa@gmail.com>
From: Fernando Gont <fgont@si6networks.com>
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On 05/21/2016 10:10 PM, Brian E Carpenter wrote:
>>>
>>> RFC4941 would make them break. That's an interoperability problem that,
>>> in the general case, you don't want to have, I think.
> 
> Well, my SSH sessions seem to time out anyway, because the server end
> is unhappy about long sessions with no traffic. 

The question is (*question*, not objection) is whether one can really
say that stable addresses are optional when using temp addresses only
might cause w.g., breakage of ssh sessions.


> Look, it all depends on
> the user scenario. It's pretty clear that for casual (coffee shop or
> such like) use stable addresses are pointless. But for any scenario
> with connections that might last for days, it's different.
> 
> Anyway, my point is that this is an issue with RFC4941. Since your draft
> is an if statement with no else clause:
>  if stable_address_wanted
>    then RFC7217
> issues in RFC4941 are out of scope.

*Exactly*!

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492