Using an architecture description language for quantitative analysis of real-time systems
WOSP '02 Proceedings of the 3rd international workshop on Software and performance
Network-on-Chip Modeling for System-Level Multiprocessor Simulation
RTSS '03 Proceedings of the 24th IEEE International Real-Time Systems Symposium
Feedback Utilization Control in Distributed Real-Time Systems with End-to-End Tasks
IEEE Transactions on Parallel and Distributed Systems
FC-ORB: A robust distributed real-time embedded middleware with end-to-end utilization control
Journal of Systems and Software
DEUCON: Decentralized End-to-End Utilization Control for Distributed Real-Time Systems
IEEE Transactions on Parallel and Distributed Systems
End-to-end deadline control for aperiodic tasks in distributed real-time systems
The Journal of Supercomputing
End-to-end utilization control for aperiodic tasks in distributed real-time systems
Journal of Computer Science and Technology
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In many distributed real-time systems, the workload can be modeled as a set of periodic tasks, each of which consists of a chain of subtasks executing on different processors. Synchronization protocols are used to govern the release of subtasks so that the precedence constraints among subtasks are satisfied and the schedulability of the resultant system is analyzable. Tasks have different worst-case and average end-to-end response times when different protocols are used. In this paper, we consider distributed real-time systems with independent, periodic tasks and fixed-priority scheduling algorithms. We propose three synchronization protocols and conduct simulation to compare their performance with respect to the two timing aspects.