Address Resolution Protocol (ARP)
A method for finding a host's Ethernet address from its Internet address. It works like this: The sender broadcasts an ARP packet containing the Internet address of another host and waits for it to send back its Ethernet address. Each host maintains a cache of address translations to reduce delay and loading. ARP allows the Internet address to be independent of the Ethernet address but only works if all hosts support it.
NetLingo Classification: Net Programming
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