It really makes our work very easy by transforming the IP information to the MAC information. Without the Address Resolution Protocol, it is never possible to facilitate the device to devise communication. Once the device has been located, there is no trouble in sending the message to it. It resolves the IPV4 address into the MAC address, which is crucial while locating any particular device in the network. As we also discussed earlier, it plays a vital role in establishing communication through the internet. This is the way the ARP protocol works with the coordination of other hardware devices.Īddress resolution protocol is sheer useful when it comes to locating the correct device where the data has to be sent in the network. Using this protocol, the IP address and some other information send by device A will be resolved to the MAC address of device B, and the message will be delivered to that device. This protocol will work to decide which device the message has to be forwarded to in the router.Device A will send the message that will reach the router connecting the private network through which device B is connected to the public network or the internet. Suppose device A wants to send any message to devise B, where both of the devices are connected to a different network. In order to understand the concept of ARP, we can consider an example.Without using this protocol, it is not possible to get the message forwarded to the correct device. When any device from one network tries to reach any other device on the internet, it reaches that through the IP address, which is later resolved to get the device’s MAC address from which that first device actually wants to interact. It is usual to have several devices connected to a single network.

It works below under the network layer to facilitate the delivery of the message to the correct device. It may be defined as the protocol that is used to resolve the IP address, specially IPV4, to the hardware address. ARP stands for Address Resolution Protocol.

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