This book explains the concept of net neutrality, its history since 1999, engineering, policy challenge, legislation and regulation, dividing it into its negative/'lite' and positive/'heavy' elements. He compares national and regional legislation and regulation of net neutrality from an interdisciplinary and international perspective. He also examines the future of net neutrality battles in Europe, the United States and in developing countries such as India and Brazil. He explores the case studies of Specialized Services and Content Delivery Networks for video over the Internet, and zero rating or sponsored data plans. Finally, he offers co-regulatory solutions based on FRAND and non-exclusivity. This book is a must-read for researchers and advocates in net neutrality debate, and those interested in the context of communications regulation, law and economic regulation, human rights discourse and policy, and the impact of science and engineering on policy and governance.