Google Cloud Networking customers may experience packet loss between some regions in Asia

Mini Incident Report We apologize for the inconvenience this service disruption/outage may have caused. We would like to provide some information about this incident below. Please note, this information is based on our best knowledge at the time of posting and is subject to change as our investigation continues. If you have experienced impact outside of what is listed below, please reach out to Google Cloud Support using https://cloud.google.com/support. (All Times US/Pacific) Incident Start: 3 May 2023 08:47 Incident End: 4 May 2023 03:10 Duration: 18 hours, 23 minutes Affected Services and Features: Google Cloud Networking Regions/Zones: asia-southeast1, asia-east1 Description: Google Cloud Networking experienced intermittent periods of packet loss in asia-southeast1 and asia-east1 for 18 hours, 23 minutes. From preliminary analysis, the root cause of the issue was a single router that was experiencing undetected and intermittent control plane protocol pathing issues related to Multiprotocol Label Switching RSVP-TE and IS-IS. The incident was triggered by a minor loss of network capacity between the affected regions, despite there being more than enough capacity and paths available. . Customer Impact: Customers may have experienced periods of up to 6% packet loss, each lasting 1-2 minutes, primarily for cross-region traffic to or from the asia-southeast1and asia-east1 regions.

The issue with Google Cloud Networking has been resolved for all affected users as of Thursday, 2023-05-04 04:11 US/Pacific. We thank you for your patience while we worked on resolving the issue.

Summary: Google Cloud Networking customers may experience packet loss between some regions in Asia Description: Mitigation work is currently underway by our engineering team. The mitigation is taking longer than expected. We will provide more information by Thursday, 2023-05-04 05:00 US/Pacific. Diagnosis: Customers may see spikes of intermittent latency and/or mild to moderate packet loss Workaround: None at this time.

Summary: Google Cloud Networking customers may experience packet loss between some regions in Asia Description: Mitigation work is currently underway by our engineering team. The mitigation is taking longer than expected. We will provide more information by Thursday, 2023-05-04 01:00 US/Pacific. Diagnosis: Customers may see spikes of intermittent latency and/or mild to moderate packet loss Workaround: None at this time.