Editing Address Resolution Protocol (section)

==Layering==
ARP's placement within the [[Internet protocol suite]] and the [[OSI model]] may be a matter of confusion or even of dispute. {{IETF RFC|826}} places it into the [[Link Layer]] and characterizes it as a tool to inquire about the "higher level layer", such as the Internet layer.{{Ref RFC|826|section=Network monitoring and debugging}} {{IETF RFC|1122}} also discusses ARP in its link layer section.{{Ref RFC|1122}}
Richard Stevens places ARP in OSI's data link layer<ref>W. Richard Stevens, ''TCP/IP Illustrated, Volume 1: The Protocols'', Addison Wesley, 1994, ISBN 0-201-63346-9.</ref> while newer editions associate it with the network layer or introduce an intermediate OSI layer 2.5.<ref>W. Richard Stevens, ''TCP/IP Illustrated, Volume 1: The Protocols'', Addison Wesley, 2011, ISBN 0-321-33631-3, page 14</ref>