Wolfgang Osterhage's Books

Wireless Network Security

Second Edition

By: Wolfgang Osterhage

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Wireless communications have become indispensable part of our lives. The book deals with the security of such wireless communication. The technological background of these applications have been presented in detail. Special emphasis has been laid on the IEEE 802.11x-standards that have been developed for this technology. A major part of the book is devoted to security risks, encryption and authentication. Checklists have been provided to help IT administrators and security officers to achieve the maximum possible security in their installations, when using wireless technology. This is the second edition of the book. The updates include the latest the IEEE 802.11-standard, an updated chapter on PDA, the increased relevance of smart phones and tablets, widespread use of WLAN with increased security risks.

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Page Count

196

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CRC Press

Published Date

ISBN 10

1351603949

ISBN 13

9781351603942

Wireless Security

By: Wolfgang Osterhage

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Wireless Security

By: Wolfgang Osterhage

In the wake of the growing use of wireless communications, new types of security risks have evolved. Wireless Security covers the major topic of wireless communications with relevance both to organizations and private users. The technological background of these applications and protocols is laid out and presented in detail. Special emphasis is placed on the IEEE 802.11x-Standards that have been introduced for WLAN technology. Other technologies covered besides WLAN include: mobile phones, bluetooth and infrared. In each chapter a major part is devoted to security risks and provisions including encryption and authentication philosophies. Elaborate checklists have been provided to help IT administrators and security officers to achieve the maximum possible security in their installations, when using wireless technology. The book offers all necessary background information to this complex technological subject. It is at the same time a guideline and a working tool to implement a security strategy in organizations, assists in documenting the actual security status of existing installations, helps to avoid pitfalls, when operating in a wireless environment, and in configuring the necessary components.

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Page Count

228

Publisher

CRC Press

Published Date

ISBN 10

1439896267

ISBN 13

9781439896266

Energy Utilisation: The Opportunities and Limits

Physical Fundamentals and Technologies

By: Wolfgang Osterhage

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Energy Utilisation: The Opportunities and Limits

Physical Fundamentals and Technologies

By: Wolfgang Osterhage

This textbook introduces energy utilisation. It outlines energy balances - which are determined by the fundamental laws of thermodynamics-, the fundamentals of atomic and nuclear mechanisms, the laws of fluid mechanics and electromagnetism. The technologies which stem from these mechanisms, including steam power plants, solar and wind energy systems, hydrodynamic power, biomass and geothermal energy systems, are all discussed. Prospects for future projects, such as nuclear fusion, fuel cells, and smart energy concepts are presented, as well as the role of energy balances in relation to climate engineering. Opportunities and Limits of Energy Utilisation will be of interest to graduate students, as well as researchers, lecturers, industry engineers. It provides numerous examples, problems and solutions, making it particularly relevant to students looking for a thorough understanding of the fundamentals of advanced energy technologies.

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Page Count

175

Publisher

Springer Nature

Published Date

ISBN 10

3030794040

ISBN 13

9783030794040

Johannes Kepler

The Order of Things

By: Wolfgang Osterhage

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Johannes Kepler

The Order of Things

By: Wolfgang Osterhage

This book traces the development of Kepler’s ideas along with his unsteady wanderings in a world dominated by religious turmoil. Johannes Kepler, like Galileo, was a supporter of the Copernican heliocentric world model. From an early stage, his principal objective was to discover “the world behind the world”, i.e. to identify the underlying order and the secrets that make the world function as it does: the hidden world harmony. Kepler was driven both by his religious belief and Greek mysticism, which he found in ancient mathematics. His urge to find a construct encompassing the harmony of every possible aspect of the world – including astronomy, geometry and music – is seen as a manifestation of a deep human desire to bring order to the apparent chaos surrounding our existence. This desire continues to this day as we search for a theory that will finally unify and harmonise the forces of nature.

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136

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Springer Nature

Published Date

ISBN 10

3030468585

ISBN 13

9783030468583

Wireless Network Security

Second Edition

By: Wolfgang Osterhage

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Wireless Network Security

Second Edition

By: Wolfgang Osterhage

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Page Count

196

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CRC Press

Published Date

ISBN 10

1351603949

ISBN 13

9781351603942

IT Quality Management

By: Wolfgang W. Osterhage

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IT Quality Management

By: Wolfgang W. Osterhage

In a comprehensive approach this book covers the end-to-end process from request management to change management, error management and migration management to acceptance testing and final data clean up. It is based upon nearly twenty years of experience in tests, acceptance and certification, when introducing medium to large IT systems including complex software for administrations and industry in many countries. There exist a variety of methodologies with different characteristics having emanated from various schools and consultancies to support such activities. However, it is obvious that because of the diversity in organisational levels in companies the rigor of application of such methodologies quite often suffers with regard to more pragmatic approaches. In view of economic considerations this may be unavoidable. For this reason no new or consolidated methodology shall be presented but an approach oriented on practical criteria coming closer to reality and offering methods, which can provide assistance on a case-by-case basis.

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Page Count

139

Publisher

Springer

Published Date

ISBN 10

3662437678

ISBN 13

9783662437674

Galileo Galilei

At the Threshold of the Scientific Age

By: Wolfgang W. Osterhage

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Galileo Galilei

At the Threshold of the Scientific Age

By: Wolfgang W. Osterhage

This new scientific biography explores the influences on, and of, Galileo’s exceptional work, thereby revealing novel connections with the worldviews of his age and beyond. Galileo Galilei's contribution to science is unquestionable. And his conflict with the church establishment of his time is no less famous. In this book, authored by a physicist and history scholar, Galileo's life and work are described against a backdrop of the prior scientific state of the art in his various fields of achievement. Particular emphasis is placed on Galileo's vision of the world in relation to historic and also future cosmological models. The impact of his discoveries and theories for the later development of physics and astronomy is a further focus of the narrative.

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Page Count

159

Publisher

Springer

Published Date

ISBN 10

331991779X

ISBN 13

9783319917795

Computer Performance Optimization

Systems - Applications - Processes

By: Wolfgang W. Osterhage

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Computer Performance Optimization

Systems - Applications - Processes

By: Wolfgang W. Osterhage

Computing power performance was important at times when hardware was still expensive, because hardware had to be put to the best use. Later on this criterion was no longer critical, since hardware had become inexpensive. Meanwhile, however, people have realized that performance again plays a significant role, because of the major drain on system resources involved in developing complex applications. This book distinguishes between three levels of performance optimization: the system level, application level and business processes level. On each, optimizations can be achieved and cost-cutting potentials can be identified. The book presents the relevant theoretical background and measuring methods as well as proposed solutions. An evaluation of network monitors and checklists rounds out the work.

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Page Count

169

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3642299717

ISBN 13

9783642299711

Information Markets

A Strategic Guideline for the I-Commerce

By: Frank Linde,Wolfgang G. Stock

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Information Markets

A Strategic Guideline for the I-Commerce

By: Frank Linde,Wolfgang G. Stock

Information Markets is a compendium of the i-commerce, the commerce with digital information, content as well as software. Information Markets is a comprehensive overview of the state of the art of economic and information science endeavors on the markets of digital information. It provides a strategic guideline for information providers how to analyse their market environment and how to develop possible strategic actions. It is a book for information professionals, both for students of LIS (Library and Information Science), CIS (Computer and Information Science) or Information Management curricula and for practitioners as well as managers in these fields.

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Page Count

641

Publisher

Walter de Gruyter

Published Date

ISBN 10

3110236109

ISBN 13

9783110236101

Mathematical Theory of Advanced Computing

By: Wolfgang W. Osterhage

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Mathematical Theory of Advanced Computing

By: Wolfgang W. Osterhage

This book deals with computer performance by addressing basic preconditions. Besides general considerations about performance, several new approaches are presented. One of them targets memory structures by introducing the possibility of overlapping non-interfering (virtual) address spaces. This approach is based on a newly developed jump transformation between different symbol spaces. Another approach deals with efficiency and accuracy in scientific calculations. Finally the concept of a Neural Relational Data Base Management System is introduced and the performance potential of quantum computers assessed.

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