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The Secure Neighbor Discovery ( SEND) protocol is a security extension of the Neighbor Discovery Protocol (NDP) in IPv6 defined in RFC 3971 and updated by RFC 6494. The Neighbor Discovery Protocol (NDP) is responsible in IPv6 for discovery of other network nodes on the local link, to determine the link layer addresses of other nodes, and to ...
The Neighbor Discovery Protocol (NDP), or simply Neighbor Discovery (ND), is a protocol of the Internet protocol suite used with Internet Protocol Version 6 (IPv6). [1] It operates at the internet layer of the Internet model, [2] [3] and is responsible for gathering various information required for network communication, including the configuration of local connections and the domain name ...
IPv6 implements the Neighbor Discovery Protocol (NDP, ND) in the link layer, which relies on ICMPv6 and multicast transmission. [ 5 ] : 210 IPv6 hosts verify the uniqueness of their IPv6 addresses in a local area network (LAN) by sending a neighbor solicitation message asking for the link-layer address of the IP address.
Secure Neighbor Discovery (SEND) is an extension of NDP with extra security. Multicast Listener Discovery (MLD) is used by IPv6 routers for discovering multicast listeners on a directly attached link, much like Internet Group Management Protocol (IGMP) is used in IPv4. Multicast Router Discovery (MRD) allows the discovery of multicast routers.
DHCPv6 can provide host with the addresses of Domain Name System (DNS) servers, but they can also be provided through Neighbor Discovery Protocol, which is the mechanism for stateless autoconfiguration. [1] Many IPv6 routers, such as routers for residential networks, must be configured automatically with no operator intervention.
As a means to enhance security for Neighbor Discovery Protocol cryptographically generated addresses (CGAs) were introduced in 2005 [52] as part of the Secure Neighbor Discovery (SEND) protocol. Such an address is generated using two hash functions that take several inputs. The first uses a public key and a random modifier; the latter being ...
A Cryptographically Generated Address (CGA) is an Internet Protocol Version 6 (IPv6) address that has a host identifier computed from a cryptographic hash function. [1] This procedure is a method for binding a public signature key to an IPv6 address in the Secure Neighbor Discovery Protocol (SEND). [2]
An IPv6 packet is the smallest message entity exchanged using Internet Protocol ... and the use of fragmentation with Secure Neighbor Discovery (SEND) is discouraged. ...