33 results for “Cloud Infrastructure”

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Research ArticleOpen accessAll words, across the recordA Federative Access Control in a Cloud Environment with a Publish/Subscribe ProtocolAbdelali Saidi, Khalid Aissaoui, Abdessamad MektoubiCloudcomputing is a new concept that has interesting advantages; high computingperformances provided as needed, much lower cost than in-house infrastructures,and better reliability and scalability. However, with some drawbacks that areimpeding its adoption, security is so far the most alarming concern forcompanies or organizations. Access control policies, for example, are the mostchallenging issue that has been tackled these last years; to … …Journal of Computer Science, Vol. 18, Issue 10 · 5 Oct 2022 · 6,012 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordCost-Efficient Deadline Constrained Scientific Workflow Scheduling in Infrastructure-as-a-Service Clouds by Disqualifying Tasks with AnomaliesAnver Shahabdeen Rahumath, Santhosh Rajendran, Natarajan Mohanasundaram, Abdul Rahiman MalangaiCloud computing has transformed the way businesses and consumers think about their data and businesses. As a result, cloud computing is described as the on-demand availability of all computer system resources via the Internet as a paid service. Enhancing security is a major problem in cloud computing, which is also a major research topic because data is stored and processed … …Journal of Computer Science, Vol. 18, Issue 6 · 27 Jun 2022 · 5,793 accessesView PDF Cite

Technical ReportOpen accessAll words, across the recordEffects of Design Factors of HDFS on I/O PerformanceHan-Gyoo KimFour major design factors of HDFS, the block size, the number of data nodes, the number of client processes and replication factor are investigated to find out the effects on the I/O performance of HDFS by performing experiments in a real physical HDFS infrastructure consisting of 64 Hadoop data nodes of Intel i9 based blades. The block size is observed … …Journal of Computer Science, Vol. 14, Issue 3 · 13 Mar 2018 · 7,987 accessesView PDF Cite