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IEEE/ICACT20260302 Question.10 Questioner: shil@dsp.ac.cn 2026-02-11 오후 12:04:44	IEEE/ICACT20260302 Answer.10 Answer by Auhor zhaoyb@dsp.ac.cn 2026-02-11 오후 12:04:44
How does ISMCC decide when to switch between caching and multipath transmission based on the relationship between sub-cache occupancy (n) and the estimated out-of-order threshold (m)?	Thank you for your question. ISMCC manages the transition between caching and multipath transmission by continuously evaluating the real-time relationship between two key variables: the current sub-cache occupancy (n) and the estimated out-of-order data threshold (m). The value of m represents the exact amount of buffered data required to offset the propagation delay difference between the primary path and the detour path. When congestion occurs, the network node evaluates m and the sub-cache occupancy n. When n << m, ISMCC prioritizes caching to mitigate congestion. When n approaches m, ISMCC initiates per-packet multipath transmission. When n >> m, ISMCC reaches its limit at the current node, and backpressure is triggered.

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