This text discusses how to re-architect the Metropolitan Area Network (MAN) for broadband service. It assesses technology options in terms of next-generation platforms, products and business models. Key features of the book include: discussion of such topics as municipal-owned infrastructure and whether Ethernet can replace ATM (Asynchronous Transfer Mode); a review of all the emerging metro protocols and their interactions; and design approaches and business models for real-world deployments. The book is aimed at telecom and network engineers, service providers, planners and telecom managers.