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Distributed computing environments allow collaborative problem solving across teams and organisations. A fundamental precondition for collaboration is the ability to find available participants and be able to exchange information. One way to approach this conceptual formulation are central directories or registry services. A major disadvantage of centralized components is, that they limit the flexibility to form ad hoc networks that are targeted to solve a specific problem. To facilitate flexible and dynamic collaborations, ideas from decentralized and self-organising networks can be combined with concepts of service oriented computing. This project aims to investigate potential solutions for dynamic discovery of network participants and outlines how to manage challenges associated with the development of a discovery protocol for distributed systems. During the course of this project a prototypical implementation was created that integrates into the open source distributed, collaborative problem solving environment RCE [9]. It is currently developed at the German Aerospace Center (DLR) but is planned to make the framework available to broader community.
In der Arbeit wurde ein Steuerungsframework für die LAMA-Bibliothek (http://www.libama.org) zur Konfiguration von Lösern linearer Gleichungssysteme entwickelt. Hierzu wurde ein Parser mit der Boost.Spirit-Biblithek realisiert, der die Laufzeitinterpretation einer domänenspezifische Sprache (DSL) erlaubt. Durch die Konfigurationssprache ist es möglich, Löser ohne Einschränkungen über ihre ID zu verknüpfen, diesen Lösern Logger und logisch verknüpfte Haltekriterien zuzuordnen.