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Philipp Richter

21 Sep, 2016 02:19 PM
All Quiet in the IPv4 Internet? by Philipp Richter — last modified 28 Jun, 2018 02:14 PM

In 2016, IPv4 exhaustion is on everyone’s lips: four out of five Regional Internet Registries have run out of freely available address space.

When the Internet Goes Down: Tracking Edge Outages at Scale by Philipp Richter — last modified 30 Nov, 2018 07:38 AM

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.