An IP performance management infrastructure that has the twin frameworks of performance measurement and topology monitoring is proposed. By combining above frameworks, the infrastructure locates performance-degraded segments. Since the Internet is still highly prone to performance deterioration due to congestion, router failure, and so on, not only detecting performance deterioration, but also monitoring topology and locating the performance-degraded segments in real-time is vital to ensure that Internet Service Providers can mitigate or prevent such performance deterioration. The infrastructure is implemented and evaluated through a real-world experiment and its considerable potential for practical network operations is demonstrated.
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