A Google Cloud outage on October 22 was rapidly linked on social media to a reported DDoS attack on AWS the same day. That was not the case, the company rapidly confirmed to Computer Business Review.
So what had happened to trigger the issue, which caused 100 percent packet loss to and from ~20 percent of instances in its us-west1-b region for two-and-a-half hours? (It also affected Cloud SQL, Cloud VPN, and other services).
Customers started losing access when the Google Cloud Networking control plane “experienced failures in programming its virtualised networking stack”, Google Cloud explained in an issue summary published today.