[lacnog] Fwd: BGP Experiment

Edmundo Cázarez edmundo.cazarez en nic.mx
Lun Ene 7 21:28:20 -02 2019


¿Hubo algún reporte de “hipo” por el experimento?

-- Edmundo.

From: LACNOG [mailto:lacnog-bounces en lacnic.net] On Behalf Of Alejandro Acosta
Sent: Thursday, December 20, 2018 12:53 PM
To: Latin America and Caribbean Region Network Operators Group <lacnog en lacnic.net>
Subject: [lacnog] Fwd: BGP Experiment

PSI.., para que estén informados, ojalá que no pase nada  (ufff.., de Pimpinela la canción)

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BGP Experiment


Tue, 18 Dec 2018 10:05:26 -0500


Italo Cunha <cunha en dcc.ufmg.br><mailto:cunha en dcc.ufmg.br>


NANOG <nanog en nanog.org><mailto:nanog en nanog.org>, DISCO experiment mailing list <disco-experiment en googlegroups.com><mailto:disco-experiment en googlegroups.com>


We would like to inform you of an experiment to evaluate alternatives

for speeding up adoption of BGP route origin validation (research

paper with details [A]).

Our plan is to announce prefix with a valid

standards-compliant unassigned BGP attribute from routers operated by

the PEERING testbed [B, C]. The attribute will have flags 0xe0

(optional transitive [rfc4271, S4.3]), type 0xff (reserved for

development), and size 0x20 (256bits).

Our collaborators recently ran an equivalent experiment with no

complaints or known issues [A], and so we do not anticipate any

arising. Back in 2010, an experiment using unassigned attributes by

RIPE and Duke University caused disruption in Internet routing due to

a bug in Cisco routers [D, CVE-2010-3035]. Since then, this and other

similar bugs have been patched [e.g., CVE-2013-6051], and new BGP

attributes have been assigned (BGPsec-path) and adopted (large

communities). We have successfully tested propagation of the

announcements on Cisco IOS-based routers running versions 12.2(33)SRA

and 15.3(1)S, Quagga and 1.1.1, as well as BIRD 1.4.5 and


We plan to announce from 8 PEERING locations for a

predefined period of 15 minutes starting 14:30 GMT, from Monday to

Thursday, between the 7th and 22nd of January, 2019 (full schedule and

locations [E]). We will stop the experiment immediately in case any

issues arise.

Although we do not expect the experiment to cause disruption, we

welcome feedback on its safety and especially on how to make it safer.

We can be reached at disco-experiment en googlegroups.com<mailto:disco-experiment en googlegroups.com>.

Amir Herzberg, University of Connecticut

Ethan Katz-Bassett, Columbia University

Haya Shulman, Fraunhofer SIT

Ítalo Cunha, Universidade Federal de Minas Gerais

Michael Schapira, Hebrew University of Jerusalem

Tomas Hlavacek, Fraunhofer SIT

Yossi Gilad, MIT

[A] https://conferences.sigcomm.org/hotnets/2018/program.html

[B] http://peering.usc.edu

[C] https://goo.gl/AFR1Cn

[D] https://labs.ripe.net/Members/erik/ripe-ncc-and-duke-university-bgp-experiment

[E] https://goo.gl/nJhmx1

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