New Trends in Network Architectures and Services, Mathematical Modeling
DFG Project (Grants: 436 UNG 113/180/0-1, 436 UNG 113/197/0-1)
German-Hungarian Cooperation Project
Services in communication networks are evolving from multi-service networks to multi-network services. It can also be seen that edge-based services, like P2P, are getting more and more prominent. The impact of these trends on the stability and performance of different network architectures is a hot research topic. Network stability and performance are closely related to functional and stochastic scalability, where functional scalability is the measure if a system remains working if a huge mass of users are trying to use the service and stochastic scalability is the measure if a system still works if there is a high fluctuation of users.
Especially in P2P systems this fluctuation is very prominent and also referred to as churn rate. Currently, only few results based on mathematical modeling exist for edge-based services and, furthermore, new communication standards and network architectures are arising (e.g., WiMAX) where the impact of such new services on the scalability could not yet be investigated in detail.
With the proposed cooperation we would like to utilize the whole knowledge accumulated by the different participants. The research project aims at motivating and establishing integrated research into the tool support of performance analysis and optimization of next generation telecommunication systems. Our main aim is to know each other’s results obtained so far, further development of existing tools, and mathematical modeling of peer-to-peer, multimedia, and self-organizing telecommunication systems.
Hermann de Meer
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