Routing

The Art of Detecting Forwarding Detours
The full Internet feed, reaching ∼867K prefixes as of March 2021, has been growing at ≈50K prefixes/year over the last 10 years. To …
Julián M. Del Fiore, Valerio Persico, Pascal Mérindol, Cristel Pelsser, Antonio Pescapè
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The Art of Detecting Forwarding Detours
Computing Delay-Constrained Least-Cost Paths for Segment Routing is Easier Than You Think
With the growth of demands for quasi-instantaneous communication services such as real-time video streaming, cloud gaming, and industry …
Jean-Romain Luttringer, Thomas Alfroy, Pascal Mérindol, Quentin Bramas, François Clad, Cristel Pelsser
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Power Prefixes Prioritization for Smarter BGP Reconvergence
BGP reconvergence events involving a large number of prefixes may result in the loss of large amounts of traffic. Based on the …
Juan Brenes, Alberto Garcia-Martinez, Marcelo Bagnulo, Andra Lutu, Cristel Pelsser
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Power Prefixes Prioritization for Smarter BGP Reconvergence
Filtering the Noise to Reveal Inter-Domain Lies
On the Internet, routers of Autonomous Systems (ASes) have to determine their preferred inter-domain route, i.e. control path (CP), for …
Julián Martin Del Fiore, Pascal Mérindol, Valerio Persico, Cristel Pelsser, Antonio Pescapè
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Filtering the Noise to Reveal Inter-Domain Lies
Leveraging Inter-domain Stability for BGP Dynamics Analysis
In the Internet, Autonomous Systems continuously exchange routing information via the BGP protocol: the large number of networks …
Thomas Green, Anthony Lambert, Cristel Pelsser, Dario Rossi
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Leveraging interdomain stability for squeezed and juicy BGP dynamics
In the Internet, Autonomous Systems continuously exchange routing information via the BGP protocol: the large number of networks …
Thomas Green, Anthony Lambert, Dario Rossi, Cristel Pelsser
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Kumori: Steering Cloud traffic at IXPs to improve resiliency
After a few years of infancy, Cloud services have now gained enough maturity to be used to deliver an increasing number of critical …
Antoine Fressancourt, Cristel Pelsser, Maurice Gagnaire
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Kumori: Steering Cloud traffic at IXPs to improve resiliency
The BGP Visibility Toolkit: Detecting Anomalous Internet Routing Behavior
In this paper, we propose the BGP Visibility Toolkit, a system for detecting and analyzing anomalous behavior in the Internet. We show …
Andra Lutu, Marcelo Bagnulo, Cristel Pelsser, Olaf Maennel, Jesús Cid-Sueiro
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The BGP Visibility Toolkit: Detecting Anomalous Internet Routing Behavior
The Aftermath of Prefix Deaggregation
Prefix deaggregation is recognized as a steady long-lived phenomenon at the interdomain level, despite its well-known negative effects …
Andra Lutu, Cristel Pelsser, Marcelo Bagnulo, Kenjiro Cho
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The Aftermath of Prefix Deaggregation
Improving Network Agility With Seamless BGP Reconfigurations
The network infrastructure of Internet service providers (ISPs) undergoes constant evolution. Whenever new requirements arise (e.g., …
Stefano Vissicchio, Laurent Vanbever, Cristel Pelsser, Luca Cittadini, Pierre Francois, Olivier Bonaventure
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Improving Network Agility With Seamless BGP Reconfigurations