Data transfer performance issues for a web services interface to synchrotron experiments

Authors:
Donglai Zhang;Paul Coddington;Andrew Wendelborn
Affiliations:
University of Adelaide, Adelaide, Australia;University of Adelaide, Adelaide, Australia;University of Adelaide, Adelaide, Australia
Venue:
Proceedings of the 2007 workshop on Service-oriented computing performance: aspects, issues, and approaches
Year:
2007

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Abstract

The Common Instrument Middleware Architecture (CIMA) defines a web services interface to scientific instruments. We have been experimenting with the use of CIMA web services for remote monitoring of synchrotron experiments and real-time data download, processing and storage. Here we discuss some performance issues with data transfer using CIMA web services, particularly for long-distance, high-latency transfers. We explore alternative approaches for improving the performance and robustness of data transfer with CIMA, and provide some experimental results.