Fibre cut on the Arelion path out of AMS

时间线

1. 已解决2024年5月12日 01:30 UTC

   Full redundancy in AMS restored at 01:30 UTC. Duration of the reduced-redundancy state: 4 h 26 min. No machine lost connectivity at any point; this is what the second carrier is for.

2. 观察中2024年5月12日 01:15 UTC

   The splice is complete and the Arelion link is back at full light level. We are re-enabling it gradually and watching error counters.

3. 已确定原因2024年5月11日 22:12 UTC

   Arelion has confirmed a fibre cut caused by third-party roadworks about 9 km from the site. A splice crew has been dispatched. We are operating on the second carrier plus the exchange for the duration, with headroom for peak traffic.

4. 调查中2024年5月11日 21:08 UTC

   The Arelion uplink in AMS went down at 21:04 UTC. Traffic failed over to Lumen and NL-ix within seconds; capacity is reduced but no machine is unreachable. Arelion reports a loss of light on the metro fibre.