This book investigates the critical aspects of quality, reliability, security, and robustness within complex, heterogeneous systems. It presents revised research from the 17th EAI International Conference, QShine 2021, focusing on challenges and solutions in modern networked environments. The selected papers address themes ranging from machine learning applications in distributed networks to the security of 5G and IoT technologies, as well as privacy in emerging networked applications.

This collection of proceedings offers a focused look at contemporary challenges in network systems, as evidenced by the selection of papers from the QShine 2021 conference. The thematic organization suggests a comprehensive overview of current research trends in areas critical to modern digital infrastructure. The inclusion of topics like 5G, IoT security, and machine learning indicates a relevance to both academic and industry professionals.