Buffered event
Delivered
Lost in transit
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Every mobile analytics SDK hides the same small state machine: user actions become events, events queue in a local buffer, and the buffer flushes as a batch onto the network under a timer-or-size trigger — whichever fires first. This simulator renders that pipeline in 3D: a phone continuously generates events that drift into a buffer zone, batches launch toward the server on your flush policy, and each event succeeds or is lost independently according to a configurable network-reliability probability. Live readouts track buffer occupancy, delivered and lost counts, average end-to-end latency and overall data completeness, making visible the trade-off every analytics integration has to tune: a short flush interval cuts latency but wakes the radio more often, while reliability alone — not the flush policy — sets how much of real user behavior the dashboard ever sees.