What is Difference Between ARP & RARP?

Difference between ARP and RARP.

The differences between ARP and RARP:

• Address Resolution Protocol is utilized for mapping IP network address to the hardware address that uses data link protocol.
•  Reverse Address Resolution Protocol is a protocol using which a physical machine in a LAN could request to find its IP address from ARP table or cache from a gateway server.
•  IP address of destination to physical address conversion is done by ARP, by broadcasting in LAN.
•  Physical address of source to IP address conversion is done by RARP.
• ARP associates 32 bit IP address with 48 bit physical address.
•  Allowing a host to discover its internet address after knowing only its physical address is done by RARP.

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