Abstract
During the past recent years there is an increasing interests in Cloud Services Orchestration. Efficient and even optimal allocation of Cloud resources is one of the main problems on which the scientific and development community has focused their effort. Some proposals for standards and middleware are now available for Cloud users and designers. However, the need for advancing on composition techniques is still requiring major efforts due to the new features, namely, composition of services at any layer of Cloud architecture, not only orchestration of resources. To that end, there have been proposed some Cloud patterns in order to describe composition of services. In a real setting, the composition is really complex and challenging, leading to Orchestration of Cloud Service, whose aim is to deal with both pattern-based composition and resource orchestration. In this paper, we show how the framework Orchestrator for Complex Services (OrCS) enables the use of pattern-based composition and resource orchestration. We also discuss its integration with the OpenStack Orchestrator (Heat).
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