Difference between ARP and RARP?

Question

There are two protocols ARP and RARP, I would like to know the difference between these any example would be helpful?

Answer 1

ARP protocol provides MAC address associated with an IP address. RARP does just reverse of it.
ARP known as Address resolution protocol and RARP known as Reverse Address Resolution Protocol.

Transmission of an IP address is depend on these protocol.
MAC address is being to transfer packet from one node to other node.
Where IP address are used from source to final destination.

Take one example:
Source is Node A and Destination is Node D. In between these two node, Band C are intermediate node.
like that A <->B<->C <->D. So when Node A sends a packet for node D. it passes through intermediate node by using MAC address and IP routing algorithms.

Answer 2

The differences between ARP and RARP:

Address Resolution Protocol (ARP) is utilized for mapping IP network address to the hardware address that uses data link protocol.

Reverse Address Resolution Protocol (RARP) 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.