Zero-Latency Quizzing: How P2P Replication Solved the Conference Wi-Fi Problem

KahootP2P is an iOS quiz game that uses local peer-to-peer networking to handle multiplayer interactions, eliminating the need for internet connectivity and cloud dependency, which are problematic in crowded venues. Built using Couchbase Lite Enterprise’s P2P replication, KahootP2P allows devices to communicate directly, ensuring low latency and reliable data synchronization. The game architecture involves a host device acting as a central authority, utilizing a star topology to maintain game state and scoring, while Apple’s MultipeerConnectivity framework and Bonjour protocol facilitate device discovery and connection. This setup ensures swift and accurate point calculations based on response speed, even without synchronized clocks. Couchbase Lite’s integration with Swift through Codable classes and Combine framework simplifies development, allowing real-time UI updates and seamless data management. This approach offers a robust solution for local multiplayer games and other applications needing reliable offline functionality.

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