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Conclusion
PSAMP enables a wide spectrum of crucial network operations tasks
basic statistics over entire traffic
traffic matrices
detailed observation of per-customer traffic
troubleshooting of traffic flow through domain
...
Both continuous and on-demand monitoring
continuous, full sampling allows post-mortem analysis (e.g., of pop-pop matrix, per-customer traffic)
on-demand measurements instantiated for higher precision
Ubiquitous support for PSAMP enables superior operations for network operators
good tradeoff simplicity-generality-overhead