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When the Internet goes down: tracking edge outages at scale

Uninterrupted availability of the Internet has become increasingly critical these days, not just for end users but also for service providers who need to meet Service Level Agreements (SLAs). Yet, outages affecting end-user connectivity are widespread, whether they be unintentional fibre cuts, natural disasters, cyber attacks, or intended Internet shutdowns by governments for political reasons.

In a new RIPE NCC paper, Advancing the Art of Internet Edge Outage Detection (IMC 2018), Philipp Richter and colleagues at MIT, University of Maryland, Akamai present a new approach to passively detect Internet edge outages: by leveraging access logs of a major Content Distribution Network (CDN) and tracking anomalies in the access patterns of end users.

Submitted by Mirjam Kühne

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