Re: Iotdir telechat review of draft-ietf-6man-rfc4941bis-11

Fernando Gont <fgont@si6networks.com> Wed, 21 October 2020 23:40 UTC

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Subject: Re: Iotdir telechat review of draft-ietf-6man-rfc4941bis-11
To: Dave Thaler <dthaler@microsoft.com>
Cc: "ipv6@ietf.org" <ipv6@ietf.org>, "draft-ietf-6man-rfc4941bis.all@ietf.org" <draft-ietf-6man-rfc4941bis.all@ietf.org>
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From: Fernando Gont <fgont@si6networks.com>
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Date: Wed, 21 Oct 2020 20:38:15 -0300
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On 21/10/20 18:59, Dave Thaler wrote:
> Fernando Gont <fgont@si6networks.com>  wrote:
[....]
> 
> But it also occurs to me that an "upgrade considerations" text in
> section 4 or elsewhere might also need to mention that if applications
> were built assuming that connections stay up for a week, such
> applications might break on an upgrade, unless the valid lifetime
> is explicitly configured to be a non-default value.  (This is not
> a security consideration, it's an app compat consideration.)

May/should applications really rely on a host configuration parameter 
they don't really control?

i.e., if they may assume a specific value, and would otherwise break, 
then there's not much of a real option in configuring the aforementioned 
parameters.

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