Address Resolution Protocol
- Formal
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Address Resolution Protocol (ARP) is a communication protocol for converting an IP address into a physical address. ARP's computers can communicate with each other by sending an ARP request that informs them about the other computer’s MAC address.
- Practical
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With ARP's computers can communicate with each other, despite only knowing each other’s IP addresses, by sending an ARP request that informs them about the other computer’s MAC address.
