Scientific Applications on Clouds
Simon Ostermann, Matthias Janetschek, Radu Prodan, Thomas Fahringer · 2015
Cloud providers such as Amazon recognized the importance of workflows to science and engineering and started to provide highly tuned solutions integrated into their native platforms such as the Amazon Simple Workflow (SWF) service. Since the advent of cloud computing, the scientific community showed interest in bringing scientific workflows on this new infrastructure. This trend increased with the availability of commercial Clouds featuring nearly the same performance as traditional Grid parallel computers. There exist two major approaches in this community effort: pure cloud and hybrid combining grid and Cloud infrastructure. The chapter introduces the Interoperable Workflow Intermediate Representation (IWIR) workflow model, followed by an introduction to SWF. The chapter introduces pilot workflow application used for validation. It describes the conversion process of an IWIR workflow into an Amazon SWF workflow and presents experimental results from porting pilot application.