Enacting SLAs in Clouds Using Rules

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Provided by: Springer Healthcare
Topic: Cloud
Format: PDF
The emergence of Cloud Computing raises the question of dynamically allocating resources of Physical Machine (PM) and Virtual Machines (VM) in an on-demand and autonomic way. Yet, using Cloud Computing infrastructures efficiently requires fulfilling three partially contradicting goals: first, achieving low violation rates of Service Level Agreements (SLA) that define non-functional goals between the Cloud provider and the customer; second, achieving high resource utilization; and third achieving the first two issues by as few time- and energy consuming reallocation actions as possible. To achieve these goals the authors propose a novel approach with escalation levels to divide all possible actions into five levels.
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