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Re: [Sidrops] Talk: RPKI Deployment: Status, Challenges and the Learning-Validator

"Jakob Heitz (jheitz)" <jheitz@cisco.com> Thu, 20 July 2017 17:01 UTC

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From: "Jakob Heitz (jheitz)" <jheitz@cisco.com>
To: "Carlos M. Martinez" <carlosm3011@gmail.com>, Matthias Waehlisch <m.waehlisch@fu-berlin.de>
CC: "sidrops@ietf.org" <sidrops@ietf.org>
Thread-Topic: [Sidrops] Talk: RPKI Deployment: Status, Challenges and the Learning-Validator
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Date: Thu, 20 Jul 2017 17:01:32 +0000
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Subject: Re: [Sidrops] Talk: RPKI Deployment: Status, Challenges and the Learning-Validator
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If it causes legitimate traffic to fail, then it's wrong.

Thanks,
Jakob.

From: Sidrops [mailto:sidrops-bounces@ietf.org] On Behalf Of Carlos M. Martinez
Sent: Thursday, July 20, 2017 8:41 AM
To: Matthias Waehlisch <m.waehlisch@fu-berlin.de>
Cc: sidrops@ietf.org
Subject: Re: [Sidrops] Talk: RPKI Deployment: Status, Challenges and the Learning-Validator


I was about to ask a question on the mic but was late to the line. Maybe it’s worth sharing it here:

  *   How we define a ROA to be “wrong” ? One that invalidates routes or one that causes legitimate traffic to be dropped ?

Why? because we’ve seen in many cases ROAs that create lots of invalids but validate a less-specific route that covers those invalids

In a way, this even a positive side-effect, sort of vacuum-cleaning your routing tables.

I believe analyzing what ROAs are wrong is quite important, but i’d believe this particular case should not count as wrong.

thanks!

/Carlos

On 17 Jul 2017, at 16:36, Matthias Waehlisch wrote:

two comments via the list because we run out of time:

(1) I'm wondering about the statement that the quality of ROAs decreases
over time. My impression is that the quality improved because of
excellent training by RIRs and others.

Slide 4 shows absolute values, which is not helpful in this context.


(2) Regarding ROV measurements: "Similar results apparently from
measurements by Randy Bush and others (didn't yet see details)"

Details are available, easy to find using Google:

* "Towards a Rigorous Methodology for Measuring Adoption of RPKI Route
Validation and Filtering", https://arxiv.org/abs/1706.04263. Some of
this work was also presented at the last RIPE meeting:
https://ripe74.ripe.net/archives/video/46/




Cheers
matthias

--
Matthias Waehlisch
. Freie Universitaet Berlin, Computer Science
.. http://www.cs.fu-berlin.de/~waehl

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