anycast

listen to the pronunciation of anycast
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A network addressing and routing scheme whereby data is routed to the nearest or best destination as viewed by the routing topology
In ATM, an address that can be shared by multiple end systems An anycast address can be used to route a request to a node that provides a particular service
A load-balancing capability defined in the ATM Forum's UNI 4 0 (user-to-network interface) and PNNI 1 0 (private network-to-network interface) specifications Anycast assigns a private address to several ATM end-systems; if one system goes down, callers are transparently connected to another
A one packet to one from a list of hosts; similar to a broadcast or multicast but the goal is to have exactly one response See also broadcast, multicast, unicast