Does Network on letter N share fate with other letters?

The control plane is shared. Data-plane queues for Network stay isolated, so incident n-01 cannot drain neighbor letters.

Where is Network measured first?

From Santiago (SCL) toward Bogotá. A global average is not an SLO for letter N.

Network: headers in São Paulo (GRU) · N-57

Runbook N-57 for Network in São Paulo (GRU). Marker xserv-n-b9a109fcf775. This page covers headers for LATAM operators, not a worldwide average.

Network: What operators should measure

Policy for Network is versioned as n-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.

Network: Failure modes we actually see

Capacity notes for n-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.

Network: How this letter ties to the rest

Handoff from letter N Network into the rest of the platform uses the same request IDs as the gateway. Runbook n-05 names who accepts the ticket after São Paulo pages out. Santiago does not silently inherit the incident.

Network handoff N-05

Network rollback N-06

Rollback for n-06 is a documented command, not a hope. Transit is billed as backup while Network prefers peering in Santiago. If cost spikes, the runbook cuts overflow to Bogotá before touching customer prefixes.

Network peering N-07

Peering for Network (n-07) prefers the IX fabric that already carries last-mile ISPs in Bogotá. Session counts and prefix limits are on the same page as the Miami backup path.

Network cache N-08

Cache rules for Network on n-08 keep language-correct objects near Miami. São Paulo is a sibling cache, not an origin. TTLs are short enough that a bad asset does not live through a weekend.