Integrating Multimedia Applications in Hard Real-Time Systems

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Integrating Multimedia Applications in Hard Real-Time Systems (1998)

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by Luca Abeni , Giorgio Buttazzo , Scuola Superiore , S. Anna

Venue:	in Proc. 19th IEEE Real-Time Systems Symposium (RTSS’98
Citations:	318 - 51 self

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@INPROCEEDINGS{Abeni98integratingmultimedia,
    author = {Luca Abeni and Giorgio Buttazzo and Scuola Superiore and S. Anna},
    title = {Integrating Multimedia Applications in Hard Real-Time Systems},
    booktitle = {in Proc. 19th IEEE Real-Time Systems Symposium (RTSS’98},
    year = {1998}
}

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Abstract

This paper focuses on the problem of providing efficient run-time support to multimedia applications in a real-time system, where two types of tasks can coexist simultaneously: multimedia soft real-time tasks and hard real-time tasks. Hard tasks are guaranteed based on worst case execution times and minimum interarrival times, whereas multimedia and soft tasks are served based on mean parameters. The paper describes a server-based mechanism for scheduling soft and multimedia tasks without jeopardizing the a pri-ori guarantee of hard real-time activities. The performance of the proposed method is compared with that of similar service mechanisms through extensive simulation experi-ments and several multimedia applications have been im-plemented on the HARTIK kernel. 1.

Keyphrases

multimedia application hard real-time system hard real-time task case execution time several multimedia application pri-ori guarantee hartik kernel mean parameter multimedia soft real-time task hard task extensive simulation experi-ments real-time system soft task hard real-time activity minimum interarrival time server-based mechanism efficient run-time support similar service mechanism multimedia task whereas multimedia

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