基于MQTT的工业物联网通信系统研究与实现
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贾凡,熊刚,朱凤华,田滨,韩双双,陈世超
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Research and implementation of industrial Internet of things communication system based on MQTT
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Fan JIA,Gang XIONG,Fenghua ZHU,Bin TIAN,Shuangshuang HAN,Shichao CHEN
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表4 消息体积测试数据
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| 消息体积 | 硬件 | QoS | 平均传输时延/ms | 标准差/ms | 最小传输时延/ms | 最大传输时延/ms | | 10 Byte | PC | QoS 1 | 100.18 | 52.84 | 59.35 | 216.43 | | | QoS 2 | 164.38 | 49.82 | 117.91 | 260.81 | | Raspberry Pi | QoS 1 | 86.49 | 25.59 | 62.19 | 135.15 | | | QoS 2 | 153.70 | 31.85 | 123.59 | 219.31 | | 1 KB | PC | QoS 1 | 95.424 | 57.72 | 61.91 | 302.49 | | | QoS 2 | 162.83 | 42.49 | 124.86 | 250.97 | | Raspberry Pi | QoS 1 | 89.23 | 29.19 | 59.98 | 159.01 | | | QoS 2 | 169.59 | 49.58 | 127.75 | 281.54 | | 500 KB | PC | QoS 1 | 246.55 | 156.16 | 158.99 | 652.61 | | | QoS 2 | 376.20 | 115.69 | 189.37 | 759.82 | | Raspberry Pi | QoS 1 | 1 602.88 | 1 222.36 | 398.61 | 3 211.97 | | | QoS 2 | 2 679.88 | 1 797.99 | 419.97 | 5 983.95 | | 1 MB | PC | QoS 1 | 487.96 | 203.48 | 326.9 | 957.18 | | | QoS 2 | 733.58 | 224.59 | 377.67 | 1 136.05 | | Raspberry Pi | QoS 1 | 4 078.30 | 1 869.05 | 792.10 | 6 883.91 | | | QoS 2 | 5 630.02 | 3 167.08 | 831.82 | 11 533.82 |
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