{"title":"实时系统中调度周期性任务的一种容错技术","authors":"Y. Hong, H. W. Goo","doi":"10.1109/WSTFEUS.2004.10002","DOIUrl":null,"url":null,"abstract":"We present a heuristic for producing a fault-tolerant schedule of given periodic tasks in distributed real-time systems. Tasks are divided into two classes according to their task utilization. In order to recover from faults, a hybrid scheme based on space redundancy and time redundancy is used. We use a very simple and fast heuristic to provide fault tolerance and reduce time overhead in case of transient faults in distributed real-time systems. We show that our approach can improve processor utilization.","PeriodicalId":170872,"journal":{"name":"Second IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, 2004. Proceedings.","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2004-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"A fault-tolerant technique for scheduling periodic tasks in real-time systems\",\"authors\":\"Y. Hong, H. W. Goo\",\"doi\":\"10.1109/WSTFEUS.2004.10002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We present a heuristic for producing a fault-tolerant schedule of given periodic tasks in distributed real-time systems. Tasks are divided into two classes according to their task utilization. In order to recover from faults, a hybrid scheme based on space redundancy and time redundancy is used. We use a very simple and fast heuristic to provide fault tolerance and reduce time overhead in case of transient faults in distributed real-time systems. We show that our approach can improve processor utilization.\",\"PeriodicalId\":170872,\"journal\":{\"name\":\"Second IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, 2004. Proceedings.\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-05-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Second IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, 2004. Proceedings.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WSTFEUS.2004.10002\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Second IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, 2004. Proceedings.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WSTFEUS.2004.10002","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A fault-tolerant technique for scheduling periodic tasks in real-time systems
We present a heuristic for producing a fault-tolerant schedule of given periodic tasks in distributed real-time systems. Tasks are divided into two classes according to their task utilization. In order to recover from faults, a hybrid scheme based on space redundancy and time redundancy is used. We use a very simple and fast heuristic to provide fault tolerance and reduce time overhead in case of transient faults in distributed real-time systems. We show that our approach can improve processor utilization.
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