What Is Tree Topology? Advantages And Disadvantages Of Tree Topology

What Is Tree Topology? Advantages And Disadvantages

  • It has a root node and all other nodes are connected to it forming a hierarchy. It is also called hierarchical topology. It should at least have three levels to the hierarchy.
  • Tree Topology integrates the characteristics of Star and Bus Topology
  • In Tree Topology, the number of Star networks are connected using Bus. This main cable seems like a main stem of a tree, and other star networks as the branches. It is also called Expanded Star Topology. Ethernet protocol is commonly used in this type of topology.

What Is Tree Topology? Advantages And Disadvantages Of Tree Topology

There are certain special cases where tree is more effective:

  • Communication between two networks
  • A network structure which requires a root node, intermediate parents node and leaf nodes (just like we see in an n-tree) or a network structure which exhibits three level of hierarchy because two level of hierarchy is already displayed in the star topology.

Advantages

  • It is an extension of Star and bus Topologies, so in networks where these topologies can’t be implemented individually for reasons related to scalability, tree topology is the best alternative.
  • Expansion of Network is possible and easy.
  • Easier maintenance and fault finding
  • Each segment is provided with dedicated point-to-point wiring to the central hub.
  • If one segment is damaged, other segments are not affected.

Disadvantages

  • Huge cabling is needed
  • A lot of maintenance is needed
  • backbone forms the point of failure.

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