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by sathackr
1933 days ago
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This is one of the biggest problems I have seen with attempted real-world deployments of wifi-based mesh systems. Another issue is the half-duplex, CSMA nature of Wifi. It all but guarantees high amounts of jitter and latency instability. Particularly when several nodes in the same path are still in signal-range of one another so effectively share the same collision(and inteference) domain. A->B->C->D I've found this wreaks havoc on TCP connections as well as applications that require some ability to detect and adjust to link condition. This becomes significantly worse once the typical levels of WIFI interference come into play, causing multiple retransmissions and lost packets. |
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