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IEEE/ICACT20260323 Question.8
Questioner: 13060061882@163.com    2026-02-11 ¿ÀÀü 12:07:05
IEEE/ICACT20260323 Answer.8
Answer by Auhor wangsy@dsp.ac.cn   2026-02-11 ¿ÀÀü 12:07:05
How do downstream nodes detect packet loss? The downstream tracks per-flow sequence continuity and sends NACK(flow, seq/range) upon detecting gaps.

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