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Reference BookDOI

Time-Triggered Communication

TLDR
The authors illustrate the inherent benefits of time-triggered communication in terms of predictability, complexity management, fault-tolerance, and analytical dependability modeling, which are key aspects of safety-critical systems.
Abstract
Time-Triggered Communication helps readers build an understanding of the conceptual foundation, operation, and application of time-triggered communication, which is widely used for embedded systems in a diverse range of industries. This book assembles contributions from experts that examine the differences and commonalities of the most significant protocols including: TTP, FlexRay, TTEthernet, SAFEbus, TTCAN, and LIN. Covering the spectrum, from low-cost time-triggered fieldbus networks to ultra-reliable time-triggered networks used for safety-critical applications, the authors illustrate the inherent benefits of time-triggered communication in terms of predictability, complexity management, fault-tolerance, and analytical dependability modeling, which are key aspects of safety-critical systems. Examples covered include FlexRay in cars, TTP in railway and avionic systems, and TTEthernet in aerospace applications. Illustrating key concepts based on real-world industrial applications, this book: Details the underlying concepts and principles of time-triggered communication Explores the properties of a time-triggered communication system, contrasting its strengths and weaknesses Focuses on the core algorithms applied in many systems, including those used for clock synchronization, startup, membership, and fault isolation Describes the protocols that incorporate presented algorithms Covers tooling requirements and solutions for system integration, including scheduling The information in this book will be extremely useful to industry leaders who design and manufacture products with distributed embedded systems based on time-triggered communication. It will also benefit suppliers of embedded components or development tools used in this area. As an educational tool, this material can be used to teach students and working professionals in areas including embedded systems, computer networks, system architectures, dependability, real-time systems, and automotive, avionics, and industrial control systems.

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Journal ArticleDOI

Design optimization of TTEthernet-based distributed real-time systems

TL;DR: This paper focuses on the design optimization of TTEthernet protocol, a deterministic, synchronized and congestion-free network protocol based on the Ethernet standard and compliant with the ARINC 664 Specification Part 7, and proposes a Tabu Search-based metaheuristic for this optimization problem.
Proceedings ArticleDOI

Synthesis of communication schedules for TTEthernet-based mixed-criticality systems

TL;DR: This paper addresses hard real-time mixed-criticality applications, which may have different criticality levels, and focuses on the optimization of the communication configuration, using a Tabu Search-based approach.
Journal ArticleDOI

Timing analysis of rate-constrained traffic in TTEthernet using network calculus

TL;DR: An analysis based on network calculus (NC) to determine the worst-case end-to-end delays of RC traffic in TTEthernet is proposed and the consideration of relative frame offsets of TT traffic is considered to reduce the pessimism of the RC analysis.
Proceedings ArticleDOI

MultiPARTES: Multicore Virtualization for Mixed-Criticality Systems

TL;DR: The MultiPARTES FP7 project aims at supporting mixed-criticality integration for embedded systems based on virtualization techniques for heterogeneous multicore processors by incorporating mechanisms that establish multiple partitions with strict temporal and spatial separation between the individual partitions.
Journal ArticleDOI

MultiPARTES: Multi-core partitioning and virtualization for easing the certification of mixed-criticality systems

TL;DR: The research effort that is being conducted within the FP7 MultiPARTES project is described, which is one of the initiatives launched by the European Commission to explore new solutions for developing certifiable mixed-criticality systems using heterogeneous multi-cores.
References
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Fundamental Concepts of Dependability

TL;DR: The Origins and Integration of the Concepts Critical Applications was held in 1989 fostered the interaction of the dependability and security communities, and advanced the integration of security into the framework of dependable computing.
Journal ArticleDOI

Clock Synchronization in Distributed Real-Time Systems

TL;DR: Depending on the types and number of tolerated faults, this paper presents upper bounds on the achievable synchronization accuracy for external and internal synchronization in a distributed real-time system.
Proceedings ArticleDOI

The time-triggered Ethernet (TTE) design

TL;DR: The rational for and an outline of the design of a time-triggered (TT) Ethernet that unifies real-time and non-real-time traffic into a single coherent communication architecture are presented.
Journal ArticleDOI

Architectural principles for safety-critical real-time applications

TL;DR: The dual goals of ultrahigh reliability and real-time response necessitate computer systems that are quite different from other dependable systems in their architecture, design and development methodology, validation and verification, and operational philosophy.