a.m. UTC on January 25, 2023, Microsoft started experiencing service related issues. At the same time, ThousandEyes observed BGP withdrawals and a significant number of route changes that resulted in a high amount of packet loss, ultimately affecting various services like Outlook, Teams, SharePoint, and others. 00:00 Welcome: This is The Internet Report, where we uncover what’s working and what’s breaking on the Internet—and why. Join our co-hosts Angelique Medina, Head of Internet Intelligence, and Kemal Santja, Principal Internet Architect, both from ThousandEyes, as they discuss the January 25, 2023 Microsoft outage. 00:43 Incident overview as seen in the ThousandEyes platform. Follow along in the ThousandEyes platform *no login required*: https://acimfsmgobnxgdkltxicdesijrowimst.share.thousandeyes.com10:18 Why would rapid announcement changes cause packet loss at the scale that was observed during this event?12:35 What should someone make of the length / duration of the event? 14:28 Why would the change of an IP address on a router cause such a major connectivity disruption? 23:37 What are some of the lessons you can learn from this event? Questions? Feedback? Send us an email at [email protected]