1. Introduction & Industry Context In the landscape of modern application development, real-time interactivity has transitioned from a premium feature to a fundamental expectation. Whether architecting financial trading desks, collaborative multi-player whiteboards, live location trackers, or i...
Source: [Dev.to](https://dev.to/mtahir27/scaling-event-driven-apis-real-time-websockets-and-redis-pubsub-for-high-concurrency-apps-90b)