QoS- based Resource Allocation Framework for Multi-Domain SLA Management in Clouds

Provided by: International Journal of Cloud Computing
Topic: Cloud
Format: PDF
In clouds, current virtualization technologies of IaaS enable the live migration of running VMs to achieve load balancing, fault-tolerance and hardware consolidation in data centers. However, the downtime/service unavailability due to live migration may be substantial with relevance to the customers' expectations on responsiveness, as the latter are declared in established SLAs, which define all relevant aspects of the services between service provider and customer. Moreover, the service unavailability may cause significant (potentially exponential) SLA violation penalties to its associated higher-level domains (e.g., PaaS and SaaS).

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