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Network Simulation

This Python script simulates a network with end devices, hubs, and switches. Demonstrates CSMA/CD, Go-Back-N, Selective Repeat, and Stop-and-Wait ARQ.

Usage

  1. Clone the Repository 
    git clone https://github.com/yourusername/network-simulator.git

Navigate to the Directory

cd network-simulator

Run the Script

python network_simulator.py

Test Cases

  1. Dedicated Connection Establishes a dedicated connection between two end devices.

    • Input: Message from Device 1 to Device 2.

  2. Star Topology Simulates a star topology with five end devices connected to a hub.

    • Input: Message from a randomly selected device.

  3. Switch Network Demonstrates a switch network with CSMA/CD, Go-Back-N, and Selective Repeat ARQ.

    • Input: Sender, receiver, message, and protocol choice.

  4. Interconnected Star Topologies Simulates two star topologies connected by a switch.

    • Input: Message between randomly selected devices.

Additional Features

  • CSMA/CD: Detects collisions in shared media.
  • Go-Back-N ARQ: Retransmits a window of frames.
  • Selective Repeat ARQ: Retransmits only lost frames.
  • Stop-and-Wait ARQ: Waits for acknowledgment before sending next frame.

Author: Tushar Verma