Computer Networks Lab Experiments

Repository Name: computer-networks
Description: A collection of networking protocols, algorithms, and simulations implemented in C for educational purposes. This repository includes implementations of key computer networking concepts such as TCP, UDP, routing algorithms, and error-control protocols.

---

📌 Repository Structure

File/Folder	Description
ftp/	File Transfer Protocol (FTP) implementation for client-server file exchange.
go_back_N/	Implementation of the Go-Back-N ARQ protocol for reliable data transfer.
multi-user-chat/	A multi-user chat application demonstrating socket programming.
selective_repeat/	Selective Repeat ARQ protocol for efficient error recovery in data transmission.
tcp/	TCP socket programming examples (e.g., connection setup, data transfer).
udp/	UDP socket programming examples (e.g., datagram transmission).
DistanceVectorRouting.c	Distance Vector Routing algorithm implementation (e.g., RIP).
LinkStateRouting.c	Link-State Routing algorithm implementation (e.g., Dijkstra’s algorithm).
leaky.c	Leaky Bucket algorithm for traffic shaping and congestion control.
.gitignore	Specifies files to be ignored by Git (e.g., executables, object files).

---

🚀 How to Use

1. Clone the Repository:

   git clone https://github.com/your-username/computer-networks.git
   cd computer-networks

2. Compile and Run:

   • For C files (e.g., routing algorithms):

     gcc DistanceVectorRouting.c -o dvr
     ./dvr

   • For protocol implementations (e.g., TCP/UDP), refer to the respective subfolder’s README.

---

🛠️ Dependencies

• GCC (for compiling C programs)
• Linux/Unix environment (recommended for socket programming)
• Wireshark (optional, for packet analysis)

---

📜 License

This project is open-source under the MIT License. Feel free to use, modify, and distribute the code for educational purposes.

---

📌 Key Features

✅ Error-Control Protocols:

• Go-Back-N (go_back_N/)
• Selective Repeat (selective_repeat/)

✅ Routing Algorithms:

• Distance Vector (DistanceVectorRouting.c)
• Link-State (LinkStateRouting.c)

✅ Traffic Management:

• Leaky Bucket (leaky.c)

✅ Socket Programming:

• TCP (tcp/)
• UDP (udp/)

✅ Applications:

• FTP (ftp/)
• Multi-User Chat (multi-user-chat/)

---

🤝 Contributing

Contributions are welcome! If you’d like to improve the code or add new networking implementations:

1. Fork the repository.
2. Create a new branch (git checkout -b feature/new-protocol).
3. Commit your changes (git commit -m "Add new feature").
4. Push to the branch (git push origin feature/new-protocol).
5. Open a Pull Request.

---

📧 Contact

For questions or suggestions, feel free to reach out:
📩 Email: nehaelizabeththomas0@gmail.com