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Learn about an innovative approach to Ingress Point Detection (IPD) in this technical conference talk from NANOG. Explore how to efficiently identify traffic entry points in ISP networks using flow-level traffic traces, enabling accurate detection of specific routers and interfaces handling Internet address space segments. Discover a scalable solution implemented at a major tier-1 ISP that operates on a single commodity server while managing multi-digit Tbit/s traffic levels. Gain insights from speaker Ingmar Poese of BENOCS on how this six-year deployment helped improve network operations through enhanced performance monitoring and advanced traffic engineering practices.