Ring card replacement, London

LHR-1

Sunday 13 September, 02:00–06:00 UTC. One of four 100G ring cards at LHR-1 is replaced. Traffic drains onto the HKG–LHR span before work starts and the ring runs on three cards for the window. Expect no loss and up to 9 ms of extra round-trip on London routes. No instance reboots. The all-clear is posted here.

Posted 2026.09.13 · the whole board · the availability commitment 2026.09.06 →

三 Nothing is edited away

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