Johannes Inführ

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Network virtualization is a main paradigm of Future Internet research. It allows for automatic creation of virtual networks with application specific resource management, routing, topology and naming. Since those virtual networks need to be implemented by means of the underlying physical network, the Virtual Network Mapping Problem (VNMP) arises. In this(More)
The Virtual Network Mapping Problem arises in the context of Future Internet research. Multiple virtual networks with different characteristics are defined to suit specific applications. These virtual networks, with all of the resources they require, need to be realized in one physical network in a most cost effective way. Two properties make this problem(More)
Due to the ongoing increase in earth’s population, adequate supply of resources is going to be a major issue. One basic resource in rising demand is energy and in particular electrical energy. In this paper we analyse the contributions of the scientific community toward the goal of sustainability with regard to energy consumption of embedded systems. We(More)
AntWars is a competitive two-player game with local information that was introduced as part of a competition accompanying the Genetic and Evolutionary Computation Conference 2007 [1,3]. Both players control an ant in a toroidal world and have to collect randomly placed pieces of food. The player who collects more food wins. 2-AntWars is an extension of(More)
The Internet has ossified. It has lost its capability to adapt as requirements change. A promising technique to solve this problem is the introduction of network virtualization. Instead of directly using a single physical network, working just well enough for a limited range of applications, multiple virtual networks are embedded on demand into the physical(More)
Virtual Network Embedding will be one of the key concepts of the Future Internet. For an ISP it is important to know how many additional Virtual Networks (VNs) of a specific application (e.g. web, streaming, P2P, and VoIP) are mappable into the current resource substrate with a certain probability. In this work we calculate this probability with our(More)
Virtual network mapping considers the problem of fitting multiple virtual networks into one physical network in a cost-optimal way. This problem arises in Future Internet research. One of the core ideas is to utilize different virtual networks to cater to different application classes, each with customized protocols that deliver the required(More)
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