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KNX is a worldwide open standard for home and building automation, which originated from a classical fieldbus protocol. While the needs for interacting with the upcoming Internet of Things (IoT) were already partially addressed by the recent KNX Web Services application note, KNX IP networking still supports IPv4 only. This paper proposes the usage of IPv6 networking as native KNX medium. The most...
Comprehensive models of cyber-physical energy systems often require the integration of automation infrastructure and energy system models. While energy system models mostly focus on the physics of these systems, automation infrastructure targets control aspects of the modelled systems. Currently, both parts are coupled via tool-dependent interfaces and in most cases the deployed couplings do not consider...
Building automation is concerned with monitoring and control of building services equipment. Over the last years, many different control network protocols have materialized for this task. Ideally, an all-in-one solution would be desired which allows total control of all conceivable scenarios. Even despite the long timespan of development, no single specific protocol has yet emerged that covers all...
We consider the problem of reaching agreement in distributed systems in which some processes may deviate from their prescribed behavior before they eventually crash. We call this failure model “mortal Byzantine”. After discussing some application examples where this model is justified, we provide matching upper and lower bounds on the number of faulty processes, and on the required number of rounds...
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