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Secure Grid Micro-Workflows Using Virtual Workspaces

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4 Author(s)
Tim Dörnemann ; Dept. of Math. & Comput. Sci., Univ. of Marburg, Marburg, Germany ; Matthew Smith ; Ernst Juhnke ; Bernd Freisleben

In this paper, an approach to create virtual cluster environments is presented which enables fine grained service-oriented applications to be executed side by side to traditional batch job oriented Grid applications. Secure execution environments which can be staged into an existing batch job environment are created. A grid enabled workflow engine to build complex application workflows which are executed in the virtual environment is provided. A security concept is introduced allowing cluster worker nodes to expose services to the BPEL engine outside of the private cluster network and thus enabling multi-site workflows in a secure fashion. A prototypical implementation based on Globus Toolkit 4, Virtual Workspaces, ActiveBPEL and Xen is presented.

Published in:

2008 34th Euromicro Conference Software Engineering and Advanced Applications

Date of Conference:

3-5 Sept. 2008