South Atlantic Cable System (SACS): 1.93× baseline latency

What we measured

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. Our own cross-check concluded this was an operator reroute, not a cable fault. We publish it anyway, labelled as such.

Timeline

• 2026-07-20 07:31 UTC Alert 2026072002: warning — ratio 2.18x
• 2026-07-27 22:32 UTC Alert #154 improving: 1/3 consecutive OK
• 2026-07-27 23:02 UTC Alert #154 improving: 2/3 consecutive OK
• 2026-07-28 00:01 UTC Alert #154 resolved: RTT 124.39ms (baseline 64.49ms), 3 consecutive OK

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.

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