Top 10 outages of 2022
The most significant network and service outages of 2022 had far-reaching consequences. Flights were grounded, virtual meetings cut off, and communications hindered.
The culprits that took down major infrastructure and services providers were varied, too, according to analysis from ThousandEyes, a Cisco-owned network intelligence company that tracks internet and cloud traffic. Maintenance-related errors were cited more than once: Canadian carrier Rogers Communications experienced a massive nationwide outage that was traced to a maintenance update, and a maintenance script error caused problems for software maker Atlassian.
BGP misconfiguration also showed up in the top outage reports. Border gateway protocol tells Internet traffic what route to take, but if the routing information is incorrect, then traffic can be diverted to an improper route, which happened to Twitter. (Read more about US and worldwide outages in our weekly internet health check.)
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