Does the Internet Route Around Damage?

Longtime Slashdot reader Zarhan writes: On Sunday and Monday, two undersea cables in Baltic sea were cut. There is talk of a hybrid operation by Russia against Europe, and a Chinese ship has been detained by Danish Navy. However, the interesting part is did the cuts really have any effect, or does the internet actually route around damage? RIPE Atlas tests seem to indicate so. RIPE Atlas probes did not observe any noticeable increase of packet loss and only a minimal and perfectly expected increase of latency as traffic automatically switched itself to other available paths. While 20-30% of paths experienced latency increases, the effects were modest and no packet loss was detected. That said, questions remain about the consequences of further cable disruptions. "We are blind on what would happen if another link would be severed, or worse, if many are severed," reports RIPE Labs.

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