This text demonstrates how frame relay can save up to 90 per cent on phone bills or leased line costs. It explains how to simplify the administration of a network and also details how to carry voice along with data networking Internet and Intranet traffic.

The fifth edition of this book extends the discussion of the challenges faced by urban sociology in the global age, while covering the issues traditionally associated with urban sociology. It presents a balanced review of the ecological perspective and the political and economic contexts of the urban environment. Topics include communities in cities, minority and ethnic groups, poverty, power, crime, cities in economic development and underdevelopment, metropolitanization and urban sprawl, and urban policy and planning. The final chapter explores the significance of cyberspace,...

The fifth edition of this text presents a balanced review of the ecological arguments that the urban arena produces unique experiential and urban-based cultural effects while exploring the broader political and economic contexts that produce and modify the urban environment. In addition to examining the urban dimensions of such topics as community formation and continuity, minority and majority dynamics, ethnic experience, poverty, power, and crime, it provides an analysis of the spatial distribution of population and resources with regard to the metropolitanization of the urban form, and the...