Supporting Web-based services through geographical distributed clusters of servers is a common solution to the increasing volume and variability of modern traffic. These architectures pose interesting challenges to request management strategies where the most important goal is not to achieve maximum performance, but to guarantee stable and robust results. In this paper, we propose novel request management algorithms that are based on autonomic principles that is, on loose collaboration among the closest nodes and no knowledge about the global system state. Experimental evaluation shows that our autonomic-enhanced algorithms can guarantee robust performance in a variety of settings and reduce standard deviations of the response times with respect to existing request management algorithms.

Autonomic request management algorithms for geographically distributed Internet-based systems / Andreolini, Mauro; Casolari, S; Colajanni, Michele. - STAMPA. - (2008), pp. 171-180. ((Intervento presentato al convegno Second IEEE International Conference on Self-Adaptive and Self-Organizing Systems tenutosi a Venice, ita nel 20-24 ottobre 2008 [10.1109/SASO.2008.32].

Autonomic request management algorithms for geographically distributed Internet-based systems

ANDREOLINI, Mauro;COLAJANNI, Michele
2008

Abstract

Supporting Web-based services through geographical distributed clusters of servers is a common solution to the increasing volume and variability of modern traffic. These architectures pose interesting challenges to request management strategies where the most important goal is not to achieve maximum performance, but to guarantee stable and robust results. In this paper, we propose novel request management algorithms that are based on autonomic principles that is, on loose collaboration among the closest nodes and no knowledge about the global system state. Experimental evaluation shows that our autonomic-enhanced algorithms can guarantee robust performance in a variety of settings and reduce standard deviations of the response times with respect to existing request management algorithms.
Second IEEE International Conference on Self-Adaptive and Self-Organizing Systems
Venice, ita
20-24 ottobre 2008
171
180
Andreolini, Mauro; Casolari, S; Colajanni, Michele
Autonomic request management algorithms for geographically distributed Internet-based systems / Andreolini, Mauro; Casolari, S; Colajanni, Michele. - STAMPA. - (2008), pp. 171-180. ((Intervento presentato al convegno Second IEEE International Conference on Self-Adaptive and Self-Organizing Systems tenutosi a Venice, ita nel 20-24 ottobre 2008 [10.1109/SASO.2008.32].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/606127
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