Utility accrual real-time scheduling for (m,k)-firm deadline-constrained streams on multiprocessors

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Utility accrual real-time scheduling for (m,k)-firm deadline-constrained streams on multiprocessors

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Considering video conferencing applications, presented is the first utility accrual (or UA) real-time scheduling algorithm for multiple (m, k)-firm deadline-constrained streams running on multiprocessors, called the global multiprocessor utility accrual scheduling algorithm for (m, k)-firm deadline-constraint multimedia streams (or gMUA-MK). Analytical and experimental studies show that gMUA-MK achieves timeliness performance and relatively high quality of multimedia services compared to existing schemes including gMUA.

Inspec keywords: media streaming; telecommunication computing; teleconferencing; processor scheduling

Other keywords: real-time scheduling algorithm; (m,k)-firm deadline-constrained multimedia streams; video conferencing; global multiprocessor utility; multimedia services

Subjects: Communications computing; Teleconferencing; Multiprocessing systems; Multimedia communications

References

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      • Bernat, G., Cayssials, R.: `Guaranteed on-line weakly-hard real-time systems', IEEE Real-Time System Symp., 2001, London, UK.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2010.7980
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