Thursday 8 September 2016

Delivery schemes

DELIVERY SCHEMES

Routing schemes differ in how they deliver messages:
·        Unicast delivers a message to a single specific node


Unicast

·        Anycast delivers a message to anyone out of a group of nodes, typically the one nearest to the source

Anycast

·        Multicast delivers a message to a group of nodes that have expressed interest in receiving the message

Multicast

·        Geocast delivers a message to a geographic area


Geocast


·        Broadcast delivers a message to all nodes in the network

Broadcast



Unicast is the dominant form of message delivery on the Internet. This article focuses on unicast routing algorithms.










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