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End-to-end Resource Reservations in Distributed Embedded Systems

Ashjaei, M.A. ; Mubeen, S. ; Behnam, MB ; Almeida, L. ; Nolte, TN

End-to-end Resource Reservations in Distributed Embedded Systems, Proc IEEE International Conf. on Embedded and Real-Time Computing Systems and Applications - RTCSA, Daegu, Korea, South, Vol. ., pp. . - ., August, 2016.

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The resource reservation techniques provide effective means to lower the software complexity, ensure predictability and allow flexibility during the development and execution of complex distributed embedded systems. In this paper we propose a new end-to-end resource reservation model for distributed embedded systems. The model is comprehensive in such a way that it supports end-to-end resource reservations on distributed transactions with various activation patterns that are commonly used in industrial control systems. The model allows resource reservations on processors and real-time network protocols. We also present timing analysis for the distributed embedded systems that are developed using the proposed model. The timing analysis computes the end-to-end response times as well as delays such as data age and reaction delays. The presented analysis also supports real-time networks that can autonomously initiate transmissions. Such networks are not supported by the existing analyses. We also include a case study to show the usability of the model and end-to-end timing analysis with resource reservations.