Deterministic network laboratory
Packet Aquarium Congestion swims in public
Throughput
unique deliveries / second
p50 latency
end-to-end, rolling 15 s
p95 latency
includes queueing + retries
Queue depth
packets across directed links
Hop loss
queue, random, route, failures
Send amplification
originals + retries / originals
Live topology
7 routers · 12 full-duplex links · finite queues
data
ACK
retry
queue
Interactive router topology. Select links by pointer or use the link selector in the controls. Select routers in pairs to set the flow source and destination.
Tap a link to edit it. Tap two routers to set flow endpoints. Queues are shown on both sides of every link.
Retry feedback monitor
Waiting for packet pressure
Original packets and retransmissions are measured independently at the busiest directed link.
Original 0.0 pps
Retries 0.0 pps
Capacity 0 pps
Rolling 20-second trace
throughput green · originals cyan · retries coral
No trend yet. The trace is populated from simulation events every 250 milliseconds.