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Reverse-path forwarding (RPF) is a technique used in modern routers for the purposes of ensuring loop-free forwarding of multicast packets in multicast routing and to help prevent IP address spoofing in unicast routing.
Controlled flooding has its own two algorithms to make it reliable, SNCF (Sequence Number Controlled Flooding) and RPF (reverse-path forwarding). In SNCF, the node attaches its own address and sequence number to the packet, since every node has a memory of addresses and sequence numbers.
To implement the multicast routing, Internet Group Management Protocol (IGMP) and a multicast routing protocol (Reverse-path forwarding, PIM-SM) for registration subscriber grouping and control traffic are required for multicast transmission. [2] [3] [4] Regarding IP multicast, it is a technique for one-to-many communication over an IP network ...
Each router along the path toward the RP builds a wild card (any-source) state for the group and sends Join/Prune messages on toward the RP. The term route entry is used to refer to the state maintained in a router to represent the distribution tree. A route entry may include such fields as: source address; the group address
The term reverse-path forwarding is used to describe this concept of routing packets away from the source, rather than towards the destination. A number of errors can happen if packets intended for unicast are accidentally sent to a multicast address; in particular, sending ICMP packets to a multicast address has been used in the context of DoS ...
Perfect forwarding, a feature of the programming language C++11; Port forwarding, the act of forwarding a network port from one network node to another; Reverse-path forwarding, a technique used in routers for ensuring loop-free forwarding of packets in multicast routing and to help prevent IP address spoofing in unicast routing
The more complex case is a Decorator Pattern that by using interfaces, forwarding can be made more flexible and typesafe. "Flexibility" here means that C need not refer to A or B in any way, as the switching of forwarding is abstracted from C. In this example, class C can forward to any class that implements an interface I.
Topology Broadcast based on Reverse-Path Forwarding routing protocol (TBRPF; RFC 3684) 749: Yes: Kerberos administration [11] 750: Yes: kerberos-iv, Kerberos version IV 751: Unofficial: kerberos_master, Kerberos authentication 752: Unofficial: passwd_server, Kerberos password (kpasswd) server 753 Yes: Reverse Routing Header (RRH) [111] Unofficial