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IEEE/ICACT20260358 Question.3 Questioner: tanghr@dsp.ac.cn 2026-02-23 오후 10:55:14	IEEE/ICACT20260358 Answer.3 Answer by Auhor gonghao23@mails.ucas.ac.cn 2026-02-23 오후 10:55:14
What is the primary function of the Flow State & Uncertainty Manager in BRIGHT?	Its primary function is to track the estimated rate and uncertainty of each active flow using a lightweight Bayesian model. Specifically, it does three things: Bayesian update: whenever a flow is probed, it updates the flows estimated rate and confidence based on the new observation. Uncertainty quantification: computes an entropy-based metric to measure how uncertain the current estimate is. Stability scoring and flow classification: assesses short-term traffic volatility for each flow and categorizes it into one of four classes — stable elephant, stable mouse, unstable, or event flow. These outputs feed into the spatio-temporal scheduler (to prioritize probing) and the policy module (as contextual input for template selection).

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