Monitoring is fundamental to network management. Accurate and timely statistics at different granularities (e.g., per-user, per-device etc.) are essential for many network management applications (e.g., traffic engineering, failure detection etc.). Contemporary monitoring solutions (e.g., Cisco Netflow) are proprietary, inflexible, and incur a large up-front licensing and setup cost. Alternatively, dedicated hardware devices for monitoring can […]
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