NDLI: Fault-tolerant hard-real-time communication of dynamically reconfigurable, distributed embedded systems

Content Provider	IEEE Xplore Digital Library
Author	de Freitas Francisco, A.L. Rammig, F.J.
Copyright Year	2005
Description	Author affiliation: Paderborn Univ., Germany (de Freitas Francisco, A.L.)
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 periodic 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.
Sponsorship	IEEE Comput. Soc. Tech. Comm. on Distributed Process
Starting Page	275
Ending Page	283
File Size	1783859
Page Count	9
File Format	PDF
ISBN	0769523560
DOI	10.1109/ISORC.2005.27
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerant systems Embedded system Protocols Time division multiple access Real time systems Clocks Fault tolerance Rail transportation Air traffic control Aerospace industry
Content Type	Text
Resource Type	Article

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