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Re: [v6ops] A broken promise - "You said PD Prefix Valid Lifetime is going to be X"

Ted Lemon <mellon@fugue.com> Fri, 01 November 2019 16:47 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Fri, 01 Nov 2019 12:47:45 -0400
In-Reply-To: <BEC713D0-361F-4489-9D57-29781BC70B67@delong.com>
Cc: sthaug@nethelp.no, v6ops@ietf.org
To: Owen DeLong <owen@delong.com>
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Subject: Re: [v6ops] A broken promise - "You said PD Prefix Valid Lifetime is going to be X"
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On Nov 1, 2019, at 12:42 PM, Owen DeLong <owen@delong.com> wrote:
> I’m not even saying this is necessarily an invalid approach. We all know
> (or at least should know) that the margins in this industry don’t support
> the cost involved in doing things differently,

I don’t think that’s the issue.   I think the issue is that “no flash renumbering” is a nice-to-have, not a must, because the layers above layer two can adapt when layer two breaks.   We’ve done a lot of efforts to try to fix this problem at layer two, and none of them have succeeded.

This is not to say that making layer two as solid as possible shouldn’t be a goal; just that it is merely one of the tools we have for making the network reliable, not the /only/ tool.

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