El roaming es una decisión del lado del cliente en WiFi 802.11. Los dispositivos cliente escuchan tramas de baliza o envían solicitudes de sondeo para descubrir AP que anuncian el SSID preferido. El controlador del cliente utiliza la intensidad de la señal recibida de las balizas o las respuestas de la sonda para tomar decisiones sobre si cambiar de AP o permanecer conectado al AP actual.
Roaming is a client side decision in 802.11 WiFi. Client devices listen for beacon frames or send probe requests to discover APs advertising the preferred SSID. The clients driver uses the received signal strength of beacons or probe responses to make decisions on whether to change APs or remain connected to the current AP.
Client roaming and connectivity decisions explained
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