Failover / f
Failover: capacity in Miami (MIA) · F-04
xserv-f-33b7219c9320
Runbook F-04 for Failover in Miami (MIA). Marker xserv-f-33b7219c9320. This page covers capacity for LATAM operators, not a worldwide average.
Failover: Failure modes we actually see
Capacity notes for f-04 assume rainy-season power in Miami and festival peaks toward São Paulo. The failure we actually see is a single uplink, not a cartoon partition of the whole continent. Spare ports and a second provider sit on the same runbook.
Failover: How this letter ties to the rest
Handoff from letter F Failover into the rest of the platform uses the same request IDs as the gateway. Runbook f-05 names who accepts the ticket after São Paulo pages out. Santiago does not silently inherit the incident.
Failover: A note on cost and transit
Rollback for f-06 is a documented command, not a hope. Transit is billed as backup while Failover prefers peering in Santiago. If cost spikes, the runbook cuts overflow to Bogotá before touching customer prefixes.
Failover policy F-03
Policy for Failover is versioned as f-03. Operators measure error rate, p95 from Bogotá, and time-to-rollback — not a worldwide average. Changes land in Bogotá first, then Miami, with a hold if either region regresses.
Failover capacity F-04
Capacity notes for f-04 assume rainy-season power in Miami and festival peaks toward São Paulo. The failure we actually see is a single uplink, not a cartoon partition of the whole continent. Spare ports and a second provider sit on the same runbook.
Failover handoff F-05
Handoff from letter F Failover into the rest of the platform uses the same request IDs as the gateway. Runbook f-05 names who accepts the ticket after São Paulo pages out. Santiago does not silently inherit the incident.
Failover rollback F-06
Rollback for f-06 is a documented command, not a hope. Transit is billed as backup while Failover prefers peering in Santiago. If cost spikes, the runbook cuts overflow to Bogotá before touching customer prefixes.
- Is transit the default path?
- No. Peering in Miami is default; transit to São Paulo is overflow and is billed that way.
- Does Failover on letter F share fate with other letters?
- The control plane is shared. Data-plane queues for Failover stay isolated, so incident f-01 cannot drain neighbor letters.