Redundancy underpins resilient communications. Robust network architectures necessarily avoid single points of failure and rely upon distributed or decentralized control mechanisms. We will argue here that Internet Protocol (IP)-based networks possess the best-suited architecture for designing distributed networks and, consequently, that IP-based Cellular Networks enable the best solutions for ...

Significant inter-individual differences in vigilance decline following sleep deprivation exist. We characterized functional connectivity in 68 healthy young adult participants in rested wakefulness and following a night of total sleep deprivation. After whole brain signal regression, functionally connected cortical networks during the well-rested state exhibited reduced correlation following s...

Process Variation (PV) is increasingly threatening the reliability of Networks-on-Chips. Thus, various resilient router designs have been recently proposed and evaluated. However, these evaluations assume random fault distributions, which result in 52%-81% inaccuracy. We propose an accurate circuit-level fault-modeling tool, which can be plugged into any system-level NoC simulator, quantify the...

This paper proposes a Resilient Overlay for Mission Critical Applications (ROMCA); a novel operator-independent overlay architecture providing a resilient and reliable service across wide-area networks. Resilience is achieved by combining centralized topology construction control and distributed dynamic mapping of paths onto the overlay topology according to network conditions. ROMCA can mitiga...

We transfer the basic idea of bonds, introduced by Hegedüs, Schicho and Schröcker for overconstrained closed chains with rotational joints, to the theory of self-motions of parallel manipulators of Stewart Gough type. Moreover we present some basic facts and results on bonds and demonstrate the potential of this theory on the basis of several examples. As a by-product we give a geometric charac...

The contribution of this thesis is the study, design and implementation of a resilient and secure communication infrastructure for decentralized peer-to-peer networks. On today’s Internet, free and unrestricted communication between users is often restricted due to limited connectivity between participants, attempts to degrade service for certain traffic classes and other filtering and manipula...