!!! Overview
[{$pagename}] (ARP) is a [communication] [protocol] used for discovering the [Link Layer] address, such as a [MAC Address], associated with a given internet layer address, typically an [IPv4] address. 


This mapping is a critical function in the [Internet Protocol Suite]. [{$pagename}] was defined in 1982 by [RFC 826].

[ARP] has been implemented with many combinations of [Network Layer] and [Data-link Layer] technologies, such as: 
* [IPv4]
* [VINES]
* [Chaosnet]
* [DECnet]
* Xerox [PARC] Universal Packet (PUP) using [IEEE 802] standards, 
* [FDDI]
* [X.25]
* [Frame Relay]
* [Asynchronous Transfer Mode] ([ATM])
* [AppleTalk] (AARP)

In Internet Protocol Version 6 ([IPv6]) networks, the functionality of [ARP] is provided by the [Neighbor Discovery Protocol] ([NDP]).

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