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Doctoral Thesis / Dissertation from the year 2014 in the subject Computer Science - Miscellaneous, grade: 2,0, Technical University of Darmstadt, language: English, abstract: Envision the future disaster recovery worker relying on mobile devices to work in a disaster setting. This recovery worker requires and benefits from a great number of provided services, for instance, to navigate, communicate, and map the environment. However, he faces adverse networking and computing conditions, characterized by the obstructed or destroyed geographical region, the overloaded or destroyed communication infrastructure, and the density and movement of involved recovery workers. We call such surroundings harsh environments.The present thesis strives to enable recovery workers to consume versatile (cloud) services on top of a resilient communication infrastructure. A service is a software component, i.e., an application, that provides a distinct functionality to accessing users. Thereby, three key challenges have to be faced that also define the three fields of research: (1) improving the resilience of the communication infrastructure, (2) designing a system capable of service provision, and (3) conceiving detailed simulation models and tools to investigate such systems in harsh environments. In each field of research, we contribute and evaluate novel approaches that work together to achieve the main goal of this thesis: mobile service provision in harsh environments.
