Communication service providers (CSPs) are at a flex point. They are under growing pressure to evolve business models, modernize OSS and BSS systems, create new revenue streams, maximize the value of 5G networks, and improve customer experience with data-driven, personalized and secure solutions. The only path to meeting all of these objectives is by accelerating the shift to cloud and edge technology. This special section explores the growing importance of cloud and edge solutions for CSPs across critical market segments and use cases, while offering expert guidance in what to look for in a portfolio of solutions.