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Workload orchestration and optimization for software defined environments

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6 Author(s)

The software defined environment (SDE) provides a powerful programmable interface to a cloud infrastructure through an abstraction of compute, network, and storage resources. A workload refers to the application to be deployed in such an infrastructure. To take advantage of the SDE interface, the workload is described using a declarative workload definition language and is then deployed in the infrastructure through an automated workload orchestration and optimization layer. This paper describes the architecture and algorithms that make up this layer. Given a definition of the workload, including the virtual components of the application and their resource needs, as well as other meta-information relating to factors such as performance, availability, and privacy, the function of the workload orchestration and optimization layer is to map virtual resources to physical resources and realize such a mapping in the infrastructure. This mapping, known as placement, is optimized so that the infrastructure is efficiently utilized, and the workload requirements are satisfied. We present the overall architecture of the workload orchestration and optimization runtime. We focus on the workload placement problem and describe our optimization framework. Then, we consider a real application, IBM Connections, as a use-case to demonstrate the orchestration and optimization functionalities.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:58 ,  Issue: 2/3 )