Enabling Global Experiments with Interactive Reconfoguration and Steering by Multiple Users

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

In global scientific experiments with collaborative scenarios involving multinational teams there are big challenges related to data access, namely data movements are precluded to other regions or Clouds due to the constraints on latency costs, data privacy and data ownership. Furthermore, each site is processing local data sets using specialized algorithms and producing intermediate results that are helpful as inputs to applications running on remote sites. This paper shows how to model such collaborative scenarios as a scientific workflow implemented with \{AWARD\} (Autonomic Workflow Activities Reconfigurable and Dynamic), a decentralized framework offering a feasible solution to run the workflow activities on distributed data centers in different regions without the need of large data movements. The \{AWARD\} workflow activities are independently monitored and dynamically reconfigured and steering by different users, namely by hot-swapping the algorithms to enhance the computation results or by changing the workflow structure to support feedback dependencies where an activity receives feedback output from a successor activity. A real implementation of one practical scenario and its execution on multiple data centers of the Amazon Cloud is presented including experimental results with steering by multiple users.
Original languageEnglish
Title of host publication2014 INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE
PublisherElsevier
Pages2137-2144
DOIs
Publication statusPublished - 2014
Event14th Annual International Conference on Computational Science (ICCS 2014) - Caims, Australia
Duration: 10 Jun 201412 Jun 2014
Conference number: 14th

Publication series

NameProcedia Computer Science
PublisherElsevier
Volume29
ISSN (Print)1877-0509

Conference

Conference14th Annual International Conference on Computational Science (ICCS 2014)
Abbreviated titleICCS 2014
CountryAustralia
CityCaims
Period10/06/1412/06/14

Keywords

  • Scientific Workflows
  • Interactive Reconfigurations and Steering
  • Global Experiments on Cloud

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