Simulating a Local Area Network


Consider a local area network formed by nodes 3, 4, and 5.This LAN communicates with the external world through a router denoted by node 2. There are two servers connected to the router and represented by node no.s 0 and 1. Node 0 is running a application over TCP, which is accessed by node 4.Node 1 is running a application on UDP, which is accessed by node 5.

The flash video on the right hand side shows how packets are being sent from the external servers to the nodes in LAN.

From the above simulation we observe that the packets sent by node 0 to node 4 also reaches node 5 but are eventually dropped there since node 5 is not the destination node. Similarly packets sent by node 1 to node 5 gets dropped at node 4.

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