tecs04

Schedulability-Driven Frame Packing for Multi-Cluster Distributed Embedded Systems

Paul Pop Author homepage
 
Petru Eles Author homepage
Zebo Peng Author homepage

ACM Transactions on Embedded Computing Systems, Vol. 4, No. 1, February 2005, pp. 112-140

ABSTRACT
We present an approach to frame packing for multi-cluster distributed embedded systems consisting of time-triggered and event-triggered clusters, interconnected via gateways. In our approach, the application messages are packed into frames such that the application is schedulable, thus the end-to-end message communication constraints are satisfied. We have proposed a schedulability analysis for applications consisting of mixed event-triggered and timetriggered processes and messages, and a worst-case queuing delay analysis for the gateways, responsible for routing inter-cluster traffic. Optimization heuristics for frame packing aiming at producing a schedulable system have been proposed. Extensive experiments and a real-life example show the efficiency of our frame-packing approach.


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[PEP04] Paul Pop, Petru Eles, Zebo Peng, "Schedulability-Driven Frame Packing for Multi-Cluster Distributed Embedded Systems", ACM Transactions on Embedded Computing Systems, Vol. 4, No. 1, February 2005, pp. 112-140
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