{
  "kind": "合成对照输入与本地模型/解析结果，非设备实测",
  "article": "https://qifudev.com/article/mqtt-chinese-topic-utf8-bytes/",
  "tool": "https://qifudev.com/tools/mqtt-packet-size/",
  "model": "RL=2+主题字节+(QoS>0?2:0)+载荷；总长=1+RL编码长度+RL",
  "inputs": {
    "topicBytes": "6",
    "payloadBytes": "10",
    "qos": "0"
  },
  "outputs": {
    "remaining": 18,
    "lengthBytes": 1,
    "total": 20
  },
  "extra_checks": [],
  "warnings": [
    "只计算MQTT 3.1.1单个PUBLISH包，不含QoS握手、TCP/IP、TLS、重传或MQTT 5属性。"
  ],
  "limitation": "不含QoS后续握手、TCP/IP、TLS和重传，不用于MQTT5属性或主题别名。",
  "source": {
    "label": "OASIS MQTT 3.1.1正式规范",
    "url": "https://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html"
  },
  "measured": {
    "device": null,
    "firmware": null,
    "instrument": null,
    "conditions": null,
    "raw_result": null,
    "verdict": null
  }
}