Jitter / j

Jitter: capacity in Miami (MIA) · J-76

xserv-j-23564adae049

Runbook J-76 for Jitter in Miami (MIA). Marker xserv-j-23564adae049. This page covers capacity for LATAM operators, not a worldwide average.

Jitter: Failure modes we actually see

Capacity notes for j-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.

Jitter: How this letter ties to the rest

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

Jitter: A note on cost and transit

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

Jitter probe J-02

Probes for Jitter (j-02) leave Santiago every 15s toward Bogotá. XServ pages the named owner if loss or RTT crosses the letter budget. A probe never shares a queue with bulk transfers, so a saturated WAN does not hide a dead PoP.

Jitter policy J-03

Policy for Jitter is versioned as j-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.

Jitter capacity J-04

Capacity notes for j-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.

Jitter handoff J-05

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

Is transit the default path?
No. Peering in Miami is default; transit to São Paulo is overflow and is billed that way.
Does Jitter on letter J share fate with other letters?
The control plane is shared. Data-plane queues for Jitter stay isolated, so incident j-01 cannot drain neighbor letters.