STAR TOPOLOGY
In Star topology, all the components of network are connected to the central device called “hub” which may be a hub, a router or a switch. Unlike Bus topology (discussed earlier), where nodes were connected to central cable, here all the workstations are connected to central device with a point-to-point connection. So it can be said that every computer is indirectly connected to every other node by the help of “hub”.
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In Star topology, all the components of network are connected to the central device called “hub” which may be a hub, a router or a switch. Unlike Bus topology (discussed earlier), where nodes were connected to central cable, here all the workstations are connected to central device with a point-to-point connection. So it can be said that every computer is indirectly connected to every other node by the help of “hub”.
In a star
network, a cable failure will isolate the workstation that it links to the
central computer, but only that workstation will be isolated. All the other
workstations will continue to function normally, except that they will not be
able to communicate with the isolated workstation. If any workstation goes
down, none of the other workstations will be affected. But if the central
computer goes down, the entire network will suffer degraded performance or
complete failure. If redundancy is required, the mesh
network topology may be preferable.
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