Port- 0009.hub- 0003 [TESTED]

| Scenario | Behavior | |----------|----------| | hub-0003 crashes | port-0009 fails over to hub-0004 (if port is stateless) or returns 503. Clients should retry with backoff. | | port-0009 congestion | Hub applies per-port backpressure, e.g., delaying ACKs or dropping low-priority messages. | | Split-brain | If hub-0003 loses quorum, port-0009 may be set to read-only or require re-authentication. |

Many laptops have internal USB-connected devices like webcams, Bluetooth adapters, or fingerprint sensors that are hard-wired to specific internal ports. port- 0009.hub- 0003