Re: [Sidrops] proposed, revised text for Section 6

Stephen Kent <stkent@verizon.net> Wed, 06 May 2020 01:34 UTC

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To: Randy Bush <randy@psg.com>
Cc: SIDR Operations WG <sidrops@ietf.org>
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From: Stephen Kent <stkent@verizon.net>
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Date: Tue, 5 May 2020 21:34:39 -0400
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Subject: Re: [Sidrops] proposed, revised text for Section 6
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Randy,
>> I will note, in passing, that this can introduce variances in local
>> processing based on local cache loss and/or differences in cache
>> refresh timing by different RPs. But, if everyone is comfortable
>> accepting the potential variance, I'm happy to proceed.
> if i insteaad not process current fetch, than we will also have
> inconsistent views, yes?
>
> and of course, as fetch times may vary, inconsistency will be normal
>
> the question is how much and what kinds of inconsistency the attacker
> can cause

These are all valid questions. The WG needs to decide if per-RP 
variance, based on fetch timing, local cache failure, etc. meets the 
goal of uniform RP processing of RPKI data. I am agnostic on this point.

Steve