[LACNIC/Napla] Artículos de interés sobre detección de incidencias en la infraestructura de peering y análisis regional del ecosistema de peering

Fabián Mejía ing.fabianmejia at gmail.com
Thu Aug 10 16:56:02 BRT 2017

Gracias Gael por compartir. ¡Interesante información!


Fabián Mejía

El 2017-08-10 a las 11:15, Gael Hernandez escribió:
> Buenas,
> Comparto por aquí un par de artículos interesantes. El primero trata de
> la detección de cortes e incidencias en la infraestructura utilizada por
> los IXPs a través de la observación de información de enrutamiento, en
> concreto de las comunidades BGP. El segundo es un análisis regional del
> ecosistema de peering publico y privado en las cinco regiones de Internet.
> Saludos,
> Gael
> *Detecting Peering Infrastructure Outages in the Wild*
> Peering infrastructures, namely, colocation facilities and Internet
> exchange points, are located in every major city, have hundreds of
> network members, and support hundreds of thousands of interconnections
> around the globe. These infrastructures are well provisioned and
> managed, but outages have to be expected, e.g., due to power failures,
> human errors, attacks, and natural disasters. However, little is known
> about the frequency and impact of outages at these critical
> infrastructures with high peering concentration.
> In this paper, we develop a novel and lightweight methodology for
> detecting peering infrastructure outages. Our methodology re- lies on
> the observation that BGP communities, announced with routing updates,
> are an excellent and yet unexplored source of information allowing us to
> pinpoint outage locations with high accuracy. We build and operate a
> system that can locate the epi- center of infrastructure outages at the
> level of a building and track the reaction of networks in near
> real-time. Our analysis unveils four times as many outages as compared
> to those publicly reported over the past ve years. Moreover, we show
> that such outages have signi cant impact on remote networks and peering
> infrastructures. Our study provides a unique view of the Internet’s
> behavior under stress that often goes unreported
> *A Region-Centric Analysis of the Internet Peering Ecosystem*
> The Internet is transitioning from a hierarchical structure to a flat
> structure where more and more networks participate in public peering at
> IXPs and private peering at interconnection facilities to increase
> performance and reduce transit costs. PeeringDB is a public online
> database containing information about IXPs, facilities, and networks
> participating at IXPs and facilities. In this paper, we perform an
> in-depth analysis of the PeeringDB data to gain an understanding of the
> public and private peering ecosystems in the five regions of the world
> (i.e., North America, Europe, Asia Pacific, Latin America, and Africa).
> We study how IXPs, facilities, and peering networks are distributed
> across the five regions. We also investigate how distribution of network
> business type, peering policy, and traffic level varies across the five
> regions. Our analysis provides a snapshot of the current state of the
> peering ecosystems in the five regions of the world and reveals the
> similarities and differences between these peering ecosystems.
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