Delivery Semantics
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Routing schemes |
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anycast |
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broadcast |
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multicast |
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unicast |
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geocast |
Routing schemes differ in their delivery semantics:
- unicast delivers a message to a single specific node
- broadcast delivers a message to all nodes in the network
- multicast delivers a message to a group of nodes that have expressed interest in receiving the message
- anycast delivers a message to any one out of a group of nodes, typically the one nearest to the source
- geocast delivers a message to a geographic area
Unicast is the dominant form of message delivery on the Internet, and this article focuses on unicast routing algorithms.
Read more about this topic: Routing
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