Understanding IPv6 Neighbor Discovery Protocol
What is NDP NDP (Neighbor Discovery Protocol) is a core protocol for IPv6 networks officially standardized in 2007 through the IETF’s RFC 4861 document. It integrates the functions of several IPv4 protocols such as ARP (Address Resolution Protocol), ICMP Router Discovery, and ICMP Redirect into one, enabling more efficient and secure network management. Operating on the basis of ICMPv6 (Internet Control Message Protocol version 6), it performs various functions including neighbor node discovery, router discovery, automatic address configuration, duplicate address detection, and path optimization. ...