Due to the dramatic increase in competition over the last few years, it has become more and more important for Internet Service Providers (ISPs) to run an efficient business and offer an adequate Quality of Service. "The Competitive Internet Service Provider" is a comprehensive guide for those seeking to do just that.

Oliver Heckmann approaches the issue from a system point of view, looking not only at running a network, but also at connecting the network with peering and transit partners or planning the expansion of the network.

"The Competitive Internet Service Provider: " Offers an advanced reference on the topic, drawing on state-of-the art research in network technology. Clearly defines the criteria enabling ISPs to operate with the greatest efficiency and deliver adequate Quality of Service. Discusses the implications of the future multiservice Internet and multimedia applications such as Voice over IP, peer-to-peer, or network games. Delivers a comparative evaluation of different feasible Quality of Service approaches. Explores scientific methods such as queuing theory, network calculus, and optimization theory. Illustrates concepts throughout with mathematical models and simulations.

This invaluable reference will provide academic and industrial researchers in the field of network and communications technology, graduate students on telecommunications courses, as well as ISP managers, engineers and technicians, equipment manufacturers and consultants, an understanding of the concepts and issues involved in running a successful ISP.

Presents forward-looking concepts, innovative research, and transdisciplinary perspectives for developing strategies for future urban habitation Around the globe, urban populations are growing at an unpreceded rate, in particular in Asia and Africa. In view of pressing social and environmental challenges it is essential to reimagine current design strategies to build affordable, sustainable, and inclusive communities that can respond to future demographic dynamics, new social practices, and the consequences of climate change. Future Urban Habitation presents an integrative, transdisciplinary approach for developing long-term strategies for urban housing at a different scales. With focus on the rapidly growing cities of Asia, and urban processes in Europe and North-America this volume offers perspectives from both researchers and practitioners involved in multiple aspects of urban habitation. The authors address a range of challenges to urban habitation with four intersecting thematic frameworks: Inclusive Urbanism, High-Dense Typologies for Building Community, Adaptable and Responsive Habitation, and New Tools and Approaches. Throughout the text, readers are presented with innovative design ideas from different fields, new concepts for social practices and sustainable housing policies, recent research on urban housing, and more. Exploring both social and architectural strategies for sustainable and livable dwelling models, Future Urban Hanitation Addresses challenges associated with urbanization, population growth, societal segregation, shifting demographics and the crisis of care, and climate change Discusses advanced approaches for design thinking and design research and the impact of inclusive people-centric social design Explores the building of collaboration-based, cohesive neighborhoods and community-based social and health services Describes the use of innovative tools and methods affecting design practices and decision-making processes, such as co-design, social design, parametric design, performance simulation and sustainable construction to develop urban housing Includes perspectives and concepts from policy makers in housing boards and social service administrations, urban planners, architectural and social designers, innovators in sustainable construction, and researchers working on urban society Future Urban Habitation is an invaluable resource for designers from various fields including architecture, urban planning, and social design, for researchers from social science and design fields, and for policymakers, and other practitioners working on the provision of housing and the facilitation of social services in urban environments.

Der folgende Bericht besteht aus drei Teilen: Der erste behandelt die von MILNE und MCCREA (Lit. -Verz. Nr . . 45 und 52) entdeckten weitreichenden kosmologischen Moglichkeitenim Rahmen der klassischen Mechanik. Man darl. vermuten, da8 ein urn 40 Jahre friiheres Bekanntwerden der Rot rschiebungen in den Spek- tren der auflergalaktischen Nebel die meisten Entwicklungen des ersten Teiles schon damals hatte entstehen lassen. Als aber die Ansitze zu diesen Oberlegungen zu verdorren schienen und an ihrer Stelle die Kosmologie der allgemeinen Relativitatstheorie in Wechselwirkung mit der Beobachtung trat, da glaubte man irrUimlich, die einzigartige Leistungsfahigkeit dieser Theorie an einem der klassiscben Mechanik unzuganglichen Problem schlagend demonstriert zu. haben. Urn der Gerechtigkeit willen verdient jetzt, nachdem im Felde der Kosmologie die weitgehende Gleichwertigkeit des alteren mir dem jiingeren Lehr- gebaude erkannt ist, die "klassische" oder "dynamische" Kosmologie eine breite Darstellung. Zwar sind namlich die beiden grundlegenden Arbeiten von MILNE und MCCREA von diesen Autoren spater gelegent lich erwahnt worden. Doch haben sie weder in Deutschland, wo die Polemik gegen die Relativitatstheorie eigentlich eine gtinstige Atmosphare hlitte schaffen mUssen, noch auch in anderen Landern Resonanz in weiteren Arbeiten gefunden. Mit der MILNEschen Erkenntnis ist ein betrachtlicher methodischer Gewinn verbunden. Deon wir . wissen nun, daB man auch in der Dynamik von Sternsystemen durch Verwendung der relativistischen Mechanik neben rnathematischen Kornplikationen kaum ein vertieftes Verstandnis der Phlii10mene gewinnt, solange man normale und nieht extrem ausgeartete FiUlezu betrachten wiinscht. Man darf also z. B.