Bandwidth Budget Calculator — adjust sliders to model xAPI traffic
Per-statement payload (bytes)
1200
HTTP overhead per request (bytes)
700
Statements per learner per session
45
Session duration (minutes)
20
Concurrent learners
30
Batch size (statements per POST)
1
Presets
Reading-only chapter
Interactive math chapter
Simulation-heavy physics chapter
30-student assessment window
Live Output
Bytes per learner-session
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Total bytes for cohort
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Average bytes/sec during session
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Compare against reference link
.1 Mbps Rural Cell
1 Mbps Satellite
5 Mbps Classroom Wi-Fi
10 Mbps 5G Cellular Tether
1 Gbps Campus Fiber
OK