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Incident report · 2026050201

Tannat: 0.09× baseline latency

Resolved · 3h 30m

What we measured

CableTannat
SegmentLas Toninas, AR → Santos, BR
Detected2026-05-02 03:01 UTC
Resolved2026-05-02 06:31 UTC
Duration3h 30m
Observed latency27.2 ms
Baseline290 ms · 0.09×
Increase+854%
Severitycritical

Path analysis

Traffic kept the same route. Latency rose without a visible path change, which points at congestion or a fault on the existing route rather than a reroute.

Cross-probe verdict. Only one probe saw it. We treat this as a probable false positive and label it as such.

Timeline

Detection method

Latency is sampled continuously from our probe network. An alert opens when round-trip time to a monitored endpoint holds above its rolling baseline, and closes automatically once it returns. Full method is described on the methodology page.

How to cite

GeoCables (2026). Incident 2026050201: Tannat. https://geocables.com/incident/2026050201

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