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networking topology
This document discusses different network topologies and their characteristics. It describes five main types of network topologies: bus, star, ring, mesh, and tree. For each topology, it provides details on the physical configuration, advantages, and disadvantages. The bus topology connects all nodes to a single communication line, while the star topology centers around one node to which all others connect. The ring topology connects all nodes in a closed loop. The mesh topology connects each node directly to some or all other nodes. Finally, the tree topology connects multiple star networks to other star networks.
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networking topology
- 1. Network Topology &it’sTypes By : Zeeshan Ahmed Lodro Batch 2k14 Department of Electrical Engineering Sukkur IBA
- 2. Network Topology Whatis Network Topology ? Network topology is Physical arrangement of connecting various computers for networking .
- 3. Types of NetworkTopology There are five types of network topology 1. Bus Topology 2. Star Topology 3. Ring Topology 4. Mesh Topology 5. Tree Topology
- 4. Bus Topology All nodesare connected to a single communication line that carries messages in both directions
- 5. Advantages & Disadvantages Advantages Works well for small networks Relatively inexpensive to implement Easy to add to it Disadvantages Management costs can be high Potential for congestion with network traffic
- 6. Ring Topology A configurationthat connects all nodes in a closed loop on which messages travel in one direction
- 7. Advantages Easier tomanage; easier to locate a defective node or cable problem Well-suited for transmitting signals over long distances on a LAN Handles high-volume network traffic Enables reliable communication
- 8. Disadvantages Expensive Requiresmore cable and network equipment at the start Not used as widely as bus topology Fewer equipment options Fewer options for expansion to high-speed communication
- 9. Star Topology A configurationthat centers around one node to which all others are connected and through which all messages are sent
- 10. Advantages Easy toconnect new nodes or devices. centralized management. It helps in monitoring the network. Failure of one node or link doesn’t affect the rest of network. At the same time its easy to detect the failure and troubleshoot it.
- 11. Disadvantages Too muchdependency on central device has its own drawbacks. If it fails whole network goes down. The use of hub, a router or a switch as central device increases the overall cost of the network. Performance and as well number of nodes which can be added in such topology is depended on capacity of central device. Keep Reading
- 12. Mesh Topology In amesh topology each node is directly connected to some or all other nodes present in the network. A fully connected mesh topology have n(n-1)/2 linking channels
- 13. Advantages Data canbe transmitted from different devices simultaneously. This topology can withstand high traffic. Even if one of the components fails there is always an alternative present. So data transfer doesn’t get affected. Expansion and modification in topology can be done without disrupting other nodes.
- 14. Disadvantages There arehigh chances of redundancy in many of the network connections. Overall cost of this network is way too high as compared to other network topologies. Set-up and maintenance of this topology is very difficult. Even administration of the network is tough.
- 15. Tree Topology It connectsmultiple star networks to other star networks.
- 16. Advantages It isan 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. Error detection and correction is easy. Each segment is provided with dedicated point-to-point wiring to the central hub. If one segment is damaged, other segments are not affected.
- 17. Disadvantages Because ofits basic structure, tree topology, relies heavily on the main bus cable, if it breaks whole network is crippled. As more and more nodes and segments are added, the maintenance becomes difficult. Scalability of the network depends on the type of cable used.