Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/7648
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Magalhães, Antonio Pessoa | - |
dc.contributor.author | Silva, João Gabriel | - |
dc.date.accessioned | 2009-02-17T10:24:55Z | - |
dc.date.available | 2009-02-17T10:24:55Z | - |
dc.date.issued | 1999 | en_US |
dc.identifier.citation | Real-Time Systems. 17:1 (1999) 65-86 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/7648 | - |
dc.description.abstract | This 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.iso | eng | eng |
dc.rights | openAccess | eng |
dc.title | Stabilizing Pre-Run-Time Schedules With the Help of Grace Time | en_US |
dc.type | article | en_US |
dc.identifier.doi | 10.1023/A:1008089513108 | en_US |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.openairetype | article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | Com Texto completo | - |
Appears in Collections: | FCTUC Eng.Informática - Artigos em Revistas Internacionais |
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