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The probability of failure occur during the execution becomes stronger when the number of node increases; since it is impossible to fully prevent failures, one solution is to implement fault tolerance mechanisms. Fault tolerance has become a major task for computer engineers and software developers because the occurrence of faults increases the cost of using resources. In this paper, the authors have proposed an approach that is a combination of migration and checkpoint mechanism. The checkpoint mechanism minimizes the time lost and reduces the effect of failures on application execution while the migration mechanism guarantee the continuity of application execution and avoid any loss due to hardware failure in a way transparent and efficient. The results obtained by the simulation show the effectiveness of our approaches to fault tolerance in term of execution time and masking effects of failures.<\/p>","DOI":"10.4018\/ijghpc.2014040102","type":"journal-article","created":{"date-parts":[[2014,9,18]],"date-time":"2014-09-18T09:08:03Z","timestamp":1411031283000},"page":"24-37","source":"Crossref","is-referenced-by-count":10,"title":["A Migration Approach for Fault Tolerance in Cloud Computing"],"prefix":"10.4018","volume":"6","author":[{"given":"Said","family":"Limam","sequence":"first","affiliation":[{"name":"University of Oran, Es Senia, Oran, Algeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9694-7586","authenticated-orcid":true,"given":"Ghalem","family":"Belalem","sequence":"additional","affiliation":[{"name":"University of Oran, Es Senia, Oran, Algeria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"ijghpc.2014040102-0","doi-asserted-by":"publisher","DOI":"10.4018\/ijcac.2011040105"},{"key":"ijghpc.2014040102-1","unstructured":"Amazon Elastic Compute Cloud. 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