Secure Grid Micro-Workflows Using Virtual Workspaces

Authors:
Tim Dörnemann;Matthew Smith;Ernst Juhnke;Bernd Freisleben
Affiliations:
-;-;-;-
Venue:
SEAA '08 Proceedings of the 2008 34th Euromicro Conference Software Engineering and Advanced Applications
Year:
2008

Citing 0
Cited 2

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CCGRID '09 Proceedings of the 2009 9th IEEE/ACM International Symposium on Cluster Computing and the Grid
RETENTION: A reactive trust-based mechanism to detect and punish malicious nodes in ad hoc grid environments

Journal of Network and Computer Applications

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Abstract

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.