Christian Baun

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Bargaining with reading habit is no need. Reading is not kind of something sold that you can take or not. It is a thing that will change your life to life better. It is the thing that will give you many things around the world and this universe, in the real world and here after. As what will be given by this cloud computing web based dynamic it services,(More)
Increasing energy costs and the trend to green solutions are generating growing interest in eco-friendly computing. Flash storage technology satisfies low-energy requirements and falling prices for flash storage have recently made it possible to replace conventional hard disks with solid state drives. These can provide higher performance when deployed(More)
The key advantages of cloud computing are flexibility, scalability (elasticity) and usability and these features originate in the combination of virtualization technologies with web services. However, in contrast to the elasticity and flexibility of cloud services the traditional management methods and tools seem inappropriate because they usually require(More)
While the variety of public and private cloud infrastructure and storage service offerings increases, only few tools exist to efficiently manage hybrid cloud resources of different cloud providers. KOALA is a novel cloud management tool that allows to work with a large variety of services of various public and private cloud providers in a seamless and(More)
Clusters usually consist of servers, workstations or personal computers as nodes. But especially for academic purposes like student projects or scientific projects, the cost for purchase and operation can be a challenge. Single board computers cannot compete with the performance or energy-efficiency of higher-value systems, but they are an option to build(More)
Das Paradigma des Cloud Computing ist in den vergangenen zwei Jahren mit eindrucksvoller Geschwindigkeit auf den ersten Platz der IT-Hitparade aufgestiegen. Rund um dynamische IT-Dienstleistungen hat sich im Internet ein lukratives Geschäft entwickelt. Neben kommerziellen Angeboten von öffentlich verfügbaren Dienstleistungen, die bezüglich der Offenlegung(More)
Der Begriff der Virtualisierung bezieht sich in der Informatik auf Konzepte und Technologien, mit denen eine einheitliche, abstrakte Sicht auf eine heterogene physische Ressourcenlandschaft erzeugt wird. Die Virtualisierung erhebt den Anspruch, dass Ressourcen effektiver und flexibler genutzt werden können. Bei der Servervirtualisierung werden die(More)