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Seattle, Washington
May 18, 2005 to May 20, 2005
ISBN: 0-7695-2356-0
pp: 275-283
Andr? Luiz de Freitas Francisco Francisco , RtM, University of Paderborn, Germany
Franz J. Rammig , HNI, University of Paderborn, Germany
ABSTRACT
Building up hard-real-time networks for distributed systems with dynamical structures poses severe design challenges. As the set of nodes varies, the use of protocols which request a complete setup with every modification becomes prohibitive. This paper presents a new concept (called TrailCable) that aims at increasing the flexibility in building up hard-real-time communication systems. The concept consists of an extendable network made up of point-to-point connections, with each node acting as a router with an integrated communication scheduler. The protocol offers the possibility to use unallocated bandwidth for aperiodic data transmissions. Moreover, functionalities that guarantee the communication channels to be fault-tolerant are also included. Through the collection of these properties, the protocol described in this paper is well adapted to highly dynamic, distributed real-time systems. As a case study, this new communication protocol is applied to an innovative railway system, the so-called RailCab.
INDEX TERMS
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CITATION
Andr? Luiz de Freitas Francisco Francisco, Franz J. Rammig, "Fault-Tolerant Hard-Real-Time Communication of Dynamically Reconfigurable, Distributed Embedded Systems", ISORC, 2005, 2008 11th IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC), 2008 11th IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC) 2005, pp. 275-283, doi:10.1109/ISORC.2005.27
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