TCP/IP --- UDP Broadcast Address
2024-08-25 08:18:37
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Use restrictions:
1. You can only broadcast on the same subnet. Broadcast Address can be confirmed by subnet mask and ip.
for example, ip is 10.120.10.2 and subnet mask is 255.255.255.0, than broadcast address is 10.120.10.255.
2. Only udp can broadcast
Advantage:
1. You only know the port number and needn't know ip if two devices want to commnuicate each other.
2. Udp client can broadcast message and udp server can receive message. Only if udp server receives message from udp client, udp server can commnuicate with udp client.
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