Which protocols can implement broadcasting?

which protocols can implement broadcasting?

We often know the word broadcast domain, which is based on the second layer. Then I know that ARP can broadcast. So what other protocols can be implemented?

Computer-network arp
Jul.16,2021

mqtt protocol?

there is something wrong with your understanding.

broadcasts are broadcasts, not implemented by upper layer protocols. It's like finding someone you don't know in the crowd and yelling. So instead of ARP implementing broadcasts, ARP needs to send broadcasts.

it is possible to send broadcast messages in any protocol.

most LAN protocols need to send (implement) broadcasts, especially when address resolution and name resolution occur, such as ARP, LLMNR, NETBIOS protocols, and so on.

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