QUIC Echo Server & Client

📄 Project Overview

This project is an implementation of a simple QUIC-based echo server and client in Go. QUIC (Quick UDP Internet Connections) is a transport protocol designed to provide fast, reliable, and secure communication over the internet. The echo server and client use QUIC to establish low-latency, secure connections, making it ideal for scenarios like real-time messaging, gaming, financial services, and IoT applications.

✨ Features

• Low-latency communication using QUIC protocol.
• Secure connections via TLS encryption.
• Simple echo functionality for testing QUIC-based communication.
• Written in Go, ensuring high performance and ease of use.
• Easily extendable for various use cases, such as gaming, fintech, or IoT.

🚀 Use Cases

• Banking/Fintech: Secure, real-time payment processing.
• Gaming: Low-latency game servers and real-time multiplayer.
• IoT Systems: Reliable communication for devices with constrained networks.
• Chat Apps: Fast messaging with minimal overhead.
• Secure Communication: Built-in encryption for privacy-first applications.

📦 Installation

Prerequisites

Make sure you have the following installed:

• Go 1.18+ Install Go
• QUIC-go library (automatically included in go.mod)
• Certificates for TLS encryption (generate if needed)

Steps

1. Clone the repository:

   git clone https://github.com/thai-ru/QUIC-Echo.git
   cd QUIC-Echo

2. Build the project:

   go build cmd/server/main.go
   go build cmd/client/main.go

3. Generate self-signed certificates for TLS:

   openssl req -newkey rsa:2048 -nodes -keyout server.key -x509 -days 365 -out server.crt

⚙️ Usage

1. Start the server

To run the QUIC echo server, execute the following command:

go run cmd/server/main.go

You should see the output:

QUIC server listening on localhost:4242

2. Start the client

In a new terminal, run the client:

go run cmd/client/main.go

You'll be prompted to send messages to the server. Example:

Enter message (or type 'exit' to quit): Hello QUIC server!
Client sent: Hello QUIC server!
Client received: Echo: Hello QUIC server!

3. Exiting the client

To close the client, type exit:

Enter message (or type 'exit' to quit): exit

🛠 Project Structure

QUIC-Echo/
│
├── cmd/
│   ├── client/
│   │   └── main.go         # Client-side QUIC logic
│   └── server/
│       └── main.go         # Server-side QUIC logic
│
├── server.crt              # TLS certificate (example)
├── server.key              # TLS private key (example)
├── go.mod                  # Go module file
└── README.md               # Project documentation

🤝 Contributing

We welcome contributions! If you'd like to contribute to the project, follow these steps:

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

Please ensure that your changes pass existing tests and that you write new tests if applicable.

📝 License

This project is licensed under the MIT License. See the LICENSE file for details.

✉️ Contact

For any questions or support, please reach out via:

• Email: [email protected]
• GitHub Issues: Issues