Building the Next Netflix: The Technical Challenges of Scaling Global OTT Platforms is a comprehensive deep dive into the complex engineering realities behind creating a successful, large-scale streaming service. While modern OTT platforms appear simple and seamless to users, they rely on highly sophisticated backend systems designed to handle massive traffic, global content delivery, real-time synchronization, and strict security requirements. This document explores how scalability becomes both an opportunity and a risk when platforms grow rapidly, especially during peak events like live sports or popular show releases. It explains why cloud-native architecture, auto-scaling infrastructure, and elastic load balancing are essential to ensure uninterrupted playback for millions of concurrent users. The document also highlights the importance of low-latency streaming through advanced CDN strategies and adaptive bitrate technology, enabling smooth viewing experiences regardless of user location or network conditions. Beyond performance, it examines enterprise-grade security measures such as DRM, encryption, watermarking, geo-blocking, and device restrictions, which are critical to protecting valuable content from piracy. The multi-device viewing behavior of modern audiences is addressed through real-time synchronization and cross-platform compatibility, ensuring seamless continuity across mobile, web, and smart TV devices. Additionally, the document emphasizes the growing role of AI and analytics in OTT platforms, from personalized content recommendations and mood-based discovery to real-time performance tracking and monetization insights across SVOD, AVOD, and TVOD models. Supported by real-world case studies from platforms like Brio, Binge Marathi, and 24 Seven Flix4u, it demonstrates how Regal Streaming Solutions successfully tackles these challenges with tailored, future-ready OTT architectures. Overall, this document serves as a practical and strategic guide for businesses aiming to build, scale, and sustain a global OTT platform without compromising performance, security, or user experience.