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Abstract : |
This paper focuses on the problem of providing run-time support to real-time applications and non-real-time applications in an open system environment. It extends the two-level hierarchical scheduling scheme in [12] for scheduling independently developed applications. The extended scheme removes the following two restrictive requirements of the scheme in [12]: (1) real-time applications that are scheduled preemptively must consist solely of periodic tasks, and (2) applications must not share global resources (i.e., resources used by more than one applications). Consequently, the extended scheme allows us to deal with a much broader range of real-time applications. 1, |
