[Podcast] Network dependency measurement at IIJ

By on 1 May 2023

Category: Tech matters

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In this episode of PING, Dr Romain Fontugne, the deputy director of research at IIJ Labs in Tokyo discusses the IIJ ‘Internet Health Report’, and Autonomous System (AS) Hegemony‘ (or network centrality), in particular.

This data model, which they have been working on for six years, exposes dependencies between ASNs in Border Gateway Protocol (BGP), both directly (as in customer cone) and indirectly through transitive dependencies.

It’s a fascinating insight into how BGP dependencies can be seen through the state of the routing table worldwide, and how IIJ is helping BGP speakers understand the dependencies in the transit paths they use.

It’s also a fertile space for student engagement with Google Summer of Code opportunities.

You can read more about AS Hegemony on the APNIC blog, as well as other posts Romain has made reflecting IIJ’s research

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