Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/7648
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dc.contributor.authorMagalhães, Antonio Pessoa-
dc.contributor.authorSilva, João Gabriel-
dc.date.accessioned2009-02-17T10:24:55Z-
dc.date.available2009-02-17T10:24:55Z-
dc.date.issued1999en_US
dc.identifier.citationReal-Time Systems. 17:1 (1999) 65-86en_US
dc.identifier.urihttps://hdl.handle.net/10316/7648-
dc.description.abstractThis paper discusses the stability of a feasible pre-run-time schedule for a transient overload introduced by processes re-execution during an error recovery action. It shows that the stability of a schedule strictly tuned to meet hard deadlines is very small, invalidating thus backward error recovery. However, the stability of the schedule always increases when a real-time process is considered as having a nominal and a hard deadline separated by a non-zero grace time. This is true for sets of processes having arbitrary precedence and exclusion constraints, and executed on a single or multiprocessor based architecture. Grace time is not just the key element for the realistic estimation of the timing constraints of real-time error processing techniques. It also allows backward error recovery to be included in very efficient pre-run-time scheduled systems when the conditions stated in this paper are satisfied. This is a very important conclusion, as it shows that fault-tolerant hard real-time systems do not have to be extremely expensive and complex.en_US
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleStabilizing Pre-Run-Time Schedules With the Help of Grace Timeen_US
dc.typearticleen_US
dc.identifier.doi10.1023/A:1008089513108en_US
item.fulltextCom Texto completo-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.languageiso639-1en-
item.openairetypearticle-
item.cerifentitytypePublications-
Appears in Collections:FCTUC Eng.Informática - Artigos em Revistas Internacionais
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