IEEE/ICACT20210154 Slide.02        [Big Slide]       Oral Presentation
Reliability is an essential guarantee for the normal operation of the system. A minor mistake will arouse a major failure of the software system and lead to resource damage and business interruption. To keep high reliability of the Could system, in terms of cloud infrastructure, redundant backup is often used to provide one or more back-up virtual machines for related virtual machines (VM). This requires that the resource management system can adjust the dynamic resources when the resource configuration of Cloud service does not match the user concurrency, to keep the SLA penalty cost low while providing services that meet user expectations constantly. There are also some deficiencies in the current study:

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