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Distributed systems rely in communication networks, typically a bus, in order to exchange messages and fulfill their goals. However, message transmission is subject to interferences that ultimately can lead to message corruption. In systems where a high-reliability is sought, error recovery mechanisms can be deployed in order to give the required reliability level, and this can be done in the spatial...
Hierarchical scheduling is instrumental to efficiently deploy component-based designs and achieve composability. It allows partitioning resources into multiple levels, hiding the complexity within each partition behind its respective interface. In this paper we focus on the network resource, particularly on Ethernet using ordinary COTS switches, and we show how hierarchical scheduling can be efficiently...
Distributed computer control systems used nowadays in the industry need often to meet requirements of on-line reconfigurability so they can adjust dynamically to changes in the application environment or to evolving specifications. The communication network connecting the computer nodes, commonly a fieldbus system, must use therefore dynamic scheduling strategies, together with on-line admission control...
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