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On the Problem of Over-clustering in Tuple-based Coordination Systems

Matteo Casadei, Ronaldo Menezes, Robert Tolksdorf, Mirko Viroli
When it comes to communication performance, open distributed tuple-space systems depend heavily on the proximity of tuples to processes. Researchers have proposed many approaches for storing tuples in a way that processes benefit from the organization of tuples. Although some progress has been made, most of the proposed solutions fail to address the reverse problem: if most tuples are kept close to processes, the system's robustness is affected – the over-clustering of tuples in particular nodes creates a dependence on that particular node. Hence, we have a dichotomy where it is important to organize tuples in clusters close to processes, but it is equally important to avoid overclustering. This paper presents a self-organized solution to the tuple distribution problem, in which the possibility of over-clustering is considered.
1st IEEE Conference on Self-Adaptive and Self-Organizing Systems (SASO 2007), pages 303-306, 9-11 July 2007.
Ozalp Babaoglu, Howard Shrobe (eds.), IEEE Computer Society, Boston, Massachusetts, USA
 @inproceedings{swarmlinda-saso07,
	Address = {Boston, Massachusetts, USA},
	Author = {Casadei, Matteo and Menezes, Ronaldo and Tolksdorf, Robert and Viroli, Mirko},
	Booktitle = {1st IEEE Conference on Self-Adaptive and Self-Organizing Systems (SASO 2007)},
	Editor = {Babaoglu, Ozalp and Shrobe, Howard},
	Month = {9--11~} # july,
	Pages = {303--306},
	Publisher = {IEEE Computer Society},
	Title = {On the Problem of Over-clustering in Tuple-based Coordination Systems},
        Doi = {10.1109/SASO.2007.42},
	Year = 2007}