Mastering Node.js Inter-Process Communication (IPC): A Comprehensive Guide with Code Examples

Inter-process communication (IPC) in Node.js can be achieved using various methods like Redis Pub/Sub, ZeroMQ, Node-IPC, and native Node.js modules such as child_process and cluster. Each method has its own advantages and disadvantages, making it suitable for different use cases. Redis Pub/Sub is ideal for scalable message broadcasting, ZeroMQ offers flexible communication patterns, Node-IPC is suited for lightweight local and remote communication, while custom UDP/TCP solutions provide high performance at the cost of increased complexity. Choosing the right method depends on the specific needs of your application.