a spatially shared broadcast network. A special case of broadcasting is multicasting where the
message is sent to a subset of all the nodes in the network.
4.4 Network Topologies
The term network topology refers to the physical layout of a computer network. The topology of a
network is the geometric representation of the relationships between all communication links and
nodes. Five basic network topologies are star, ring, bus, tree and mesh.
Star Topology – In star topology, each node has a dedicated point-to-point connection only
to a central controller node, known as the hub; but the nodes are not directly ...
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