University, Diss., 2005--Kassel. / Download lizenzpflichtig.

Zugl.: Berlin, Techn. Univ., Diplomarbeit, 2008

This paper describes a solution which enables mobile devices to transparently access the campus network and the Internet. Different user classes are provided, and security issues are taken into account. The requirements for user machines are low, and the software is nearly maintenance-free for the network administrator after installation and configuration. / Diese Arbeit realisiert einen transparenten Zugang zum Campusnetz der TU Chemnitz und zum Internet für mobile Geräte. Dabei werden mehrere Nutzerklassen unterschieden und Sicherheitsaspekte berücksichtigt. Die Anforderungen an die Nutzerrechner sind gering, und der Aufwand für den Administrator beschränkt sich im wesentlichen auf die Installation und Konfiguration der Software.

Die Chemnitzer Linux-Tage sind eine Veranstaltung rund um das Thema Open Source. Im Jahr 2011 wurden 102 Vorträge und Workshops gehalten. Der Band enthält ausführliche Beiträge zu 12 Hauptvorträgen sowie Zusammenfassungen zu 78 weiteren Vorträgen. / The "Chemnitz Linux Days" is a conference that deals with Linux and Open Source Software. In 2011 102 talks and workshops were given. This volume contains papers of 12 main lectures and 78 abstracts (in german).

Thesis (doctoral)--Universität, Göttingen, 2007. / Includes bibliographical references (p. 131-164).

Dynamic address assignment is one of the most important features in wireless ad hoc networks if nodes should be enabled to join and to work in the network by automatically configuring all necessary settings. Different approaches have been developed throughout the last years to achieve this objective of Dynamic Address Autoconfiguration but research primarily focused on efficiency and correctness, less on security issues. Whereas Duplicate Address Detection has become reliable in commonplace scenarios, it is still relatively easy to suspend the whole network functionality in extraordinary situations within the boundaries of a Dynamic Address Configuration Protocol. In this paper, we therefore want to point out shortcomings and weaknesses in existing protocol solutions which address dynamic IP address assignment. We concentrate on a leader-based approach called ODACP and want to propose several solutions which improve the original protocol in such a way that it is safer against malicious host activities. Finally, we will demonstrate the improvements of our solution in a separate test scenario.

No description available.

Zugl.: Dortmund, Techn. Univ., Diss., 2008

Die Chemnitzer Linux-Tage sind eine Veranstaltung rund um das Thema Open Source. Im Jahr 2011 wurden 102 Vorträge und Workshops gehalten. Der Band enthält ausführliche Beiträge zu 12 Hauptvorträgen sowie Zusammenfassungen zu 78 weiteren Vorträgen. / The "Chemnitz Linux Days" is a conference that deals with Linux and Open Source Software. In 2011 102 talks and workshops were given. This volume contains papers of 12 main lectures and 78 abstracts (in german).

The German Free State of Saxony has a high density of independent local and regional television broadcasters. From the antenna communities at the time of the GDR, private TV broadcasters developed after the reunification. In the period of the social transformations in the 1990s, these local TV stations documented the profound changes of the everyday life of the individual, of the local communities and the historical transformations in society and economy during the early years after the German reunion. These recordings are a substantial part of the cultural heritage of Saxony and of the highest interest for social, cultural and media research. Due to how the original material was produced on consumer videotapes, today the recordings are threatened by decay. In the next few years the recordings will be lost, if not acted quickly. Some state and private institutions are currently developing concepts for the preservation of the audiovisual heritage in Saxony In this paper, we discuss how these media objects should be scientifically investigated, in the sense of media and sociocultural dimensions, questions and categories. Based on our experiences and investigations, we present a technical concept which shows how to digitalize, index, describe and categorize copious amounts of videotapes for the preservation, archiving and public access of this important part of the cultural heritage of Germany.