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Forwarding this type of traffic can create unnecessary traffic that leads to poor network performance or even a complete loss of network service. [6] This flooding of packets is known as a unicast flooding. [7] [5] Multicast traffic allows a host to contact a subset of
A switch will, by default, flood multicast traffic to all the ports in a broadcast domain (or the VLAN equivalent). Multicast can cause unnecessary load on host devices by requiring them to process packets they have not solicited. When purposefully exploited, this can form the basis of a denial-of-service attack. IGMP snooping is designed to ...
In computer networking, a unicast flood occurs when a switch receives a unicast frame and the switch does not know that the addressee is on any particular switch port. Since the switch has no information regarding which port, if any, the addressee might be reached through, it forwards the frame through all ports aside from the one through which ...
A broadcast storm or broadcast radiation is the accumulation of broadcast and multicast traffic on a computer network. Extreme amounts of broadcast traffic constitute a broadcast storm. It can consume sufficient network resources so as to render the network unable to transport normal traffic. [1]
Flooding is used in computer network routing algorithms in which every incoming packet is sent through every outgoing link except the one it arrived on. [ 1 ] Flooding is used in bridging and in systems such as Usenet and peer-to-peer file sharing and as part of some routing protocols , including OSPF , DVMRP , and those used in ad-hoc wireless ...
The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to establish multicast group memberships. IGMP is an integral part of IP multicast and allows the network to direct multicast transmissions only to hosts that have requested them.
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 ...
PIM Dense Mode (PIM-DM) implicitly builds shortest-path trees by flooding multicast traffic domain wide, and then pruning back branches of the tree where no receivers are present. PIM-DM is straightforward to implement but generally has poor scaling properties. The first multicast routing protocol, DVMRP used dense-mode multicast routing. [4]