Table 1.
Packet loss in MQTT QoS-0 and QoS-1 services with variable loads and users.
| Payload Size | No. of Nodes | Type of Service | Average Latency (mSec) | % of Packets Lost |
|---|---|---|---|---|
| 100 bytes | 100 | QoS-0 | 0.017 | 0 |
| QoS-1 | 670.713 | 0 | ||
| 200 | QoS-0 | 0.016 | 0 | |
| QoS-1 | 2029.758 | 0 | ||
| 500 | QoS-0 | 0.019 | 0 | |
| QoS-1 | 6410.813 | 0 | ||
| 750 | QoS-0 | 0.019 | 0 | |
| QoS-1 | 11592.543 | 1 | ||
| 1000 | QoS-0 | 0.017 | 0 | |
| QoS-1 | 14771.078 | 13 | ||
| 1 KB | 100 | QoS-0 | 0.029 | 0 |
| QoS-1 | 735.773 | 0 | ||
| 200 | QoS-0 | 0.017 | 0 | |
| QoS-1 | 2180.992 | 0 | ||
| 500 | QoS-0 | 0.017 | 0 | |
| QoS-1 | 5144.808 | 1 | ||
| 750 | QoS-0 | 0.017 | 19 | |
| QoS-1 | 7372.016 | 1 | ||
| 1000 | QoS-0 | 0.019 | 0 | |
| QoS-1 | 13362.244 | 27 | ||
| 10 KB | 100 | QoS-0 | 0.017 | 0 |
| QoS-1 | 687.842 | 0 | ||
| 200 | QoS-0 | 0.017 | 0 | |
| QoS-1 | 1746.986 | 0 | ||
| 500 | QoS-0 | 0.016 | 7 | |
| QoS-1 | 5490.489 | 1 | ||
| 750 | QoS-0 | 0.016 | 1 | |
| QoS-1 | 4649.574 | 1 | ||
| 1000 | QoS-0 | 0.016 | 0 | |
| QoS-1 | 7923.592 | 8 |