Question

 Construct a topology with two different paths between a source node and a destination node. Assign different delays or bandwidths to the links. Simulate packet transmission and observe which path is selected. Also, modify one link parameter and compare the results.

30 Jul 2026
Answer :
Word Count : 618
In computer networks, routing decisions are based on metrics such as delay, bandwidth, hop count, and link cost. Simulation of packet transmission helps analyze how routing protocols select the most efficient path between a source and a destination. By constructing a topology with two different paths and assigning different link parameters, it is possible to observe the impact of network characteristics on path selection. Data mining techniques can further analyze simulation logs to identify traffic patterns, routing efficiency, and network performance trends. Consider a network consisting of six nodes: Source (S), A, B, C, D, and Destination (T). Two independent paths are available between the source and destination. Path 1: S → A → B → T Path 2: S → C → D → T Initially, assign the following link parameters. For Path 1: S–A Delay = 5 ms, Bandwidth = 10 Mbps A–B Delay = 5 ms, Bandwidth = 10 Mbps B–T Delay = 5 ms, Bandwidth = 10 Mbps Total delay for Path 1 = 15 ms. For Path 2: S–C Delay = 10 ms, Bandwidth
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