Simulation Modeling and Analysis
Simulation Modeling and Analysis
A parameter based admission control for differentiated services networks
Computer Networks: The International Journal of Computer and Telecommunications Networking - QoS in multiservice IP networks
Queueing Networks and Markov Chains
Queueing Networks and Markov Chains
Real-time interfaces for interface-based design of real-time systems with fixed priority scheduling
Proceedings of the 5th ACM international conference on Embedded software
Real-time Controller Area Networks (CAN) -- managing transient surges
Integrated Computer-Aided Engineering
Period optimization for hard real-time distributed automotive systems
Proceedings of the 44th annual Design Automation Conference
A calculus for network delay. I. Network elements in isolation
IEEE Transactions on Information Theory
A calculus for network delay. II. Network analysis
IEEE Transactions on Information Theory
Worst-case delay bounds with fixed priorities using network calculus
Proceedings of the 5th International ICST Conference on Performance Evaluation Methodologies and Tools
Enabling powerful GUIs in ISOBUS networks by transparent data compression
Computer Standards & Interfaces
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The performance of communication systems can be evaluated using various distinct techniques and paradigms, e.g. queuing theory, simulation or worst case analysis. Mean values for performance measures like transmission delay, queue length or system utilization are valuable information for network dimensioning. However, in many cases, quantile-based approaches or deterministic upper bounds are indispensable, especially for systems that need real-time guarantees. A typical application area are safety-critical functions in automotive environments, where hard real-time transmission deadlines have to be met to assure safe operation of the vehicle. In this paper, we investigate a contemporary automotive in-car communication system, the Controller Area Network (CAN). A simulation study of the system yields stochastic quantile-related use case performance measures for non-time-critical communication. It is complemented by a deterministic evaluation using Network Calculus, which allows to determine worst case transmission times and provides closed and easily applicable formulas for delay bounds of messages on all priority levels. Comprising the outcomes from this dual evaluation approach supports the design, dimensioning and parameterization of the overall CAN bus system with respect to both hard real-time demands and performance characteristics in typical use case scenarios.