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Enhancing Global Network Monitoring with Magnifier

USENIX via YouTube

Overview

Explore a 16-minute conference talk from USENIX NSDI '23 that introduces Magnifier, an innovative approach to enhance global network monitoring for Internet Service Providers (ISPs). Learn how this method combines traffic sampling with mirroring techniques to overcome the traditional coverage-overhead trade-off in large-scale network monitoring. Discover the two-step approach of Magnifier, which first infers traffic ingress and egress points using a heuristic based on sampling data, then validates these inferences efficiently through negative-mirroring rules. Gain insights into the implementation of Magnifier on commercial routers and its potential to detect various network events, including certain failures and DDoS attacks, while maintaining negligible traffic overhead.

Syllabus

NSDI '23 - Enhancing Global Network Monitoring with Magnifier

Taught by

USENIX

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