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BBR估算出的结果不太准确

Open ghost0906 opened this issue 2 years ago • 0 comments

按照代码中的算法进行带宽评估, info->inflight_size = trace_stats.pktFlightSize * 188 * 7; info->bandwidth = trace_stats.mbpsSendRate * 1024 * 1024; info->rtt = trace_stats.msRTT; double estimateMaxBandwidth = (maxBandwidth * minRtt) / 1000; int64_t curState = 1.3 * estimateMaxBandwidth - inFlightSize * 8; 以下是一部份查询结果: getNetStatus bw:1626885 inflight:53956 rtt:48 maxBw:1958695 minRtt:48 getNetStatus bw:1814032 inflight:151340 rtt:49 maxBw:1941641 minRtt:48 计算出来的final_state如下: getNetStatus curState:-337631 final:-3633828 getNetStatus curState:-1117522 final:-3935372 一直判断为带宽不足,是哪里查询的数据有问题吗

ghost0906 avatar Oct 26 '23 04:10 ghost0906