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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/17118

Title: Enhancing group communication with self-manageable behavior
Other Titles: Journal of Parallel and Distributed Computing
Authors: Macêdo, Raimundo José de Araújo
Freitas, Allan Edgard Silva
Sá, Alirio Santos de
Keywords: Group communication;Self-management;Autonomic computing;Dependability;Dynamic adaptation
Issue Date: 2013
Abstract: Group communication protocols (GCPs) play an important role in the design of modern distributed systems. A typical GCP exchanges control messages to provide message delivery guarantees, and a key point in the configuration of such a protocol is to establish the right trade-off between message overhead and delivery latency. This trade-off becomes even a greater challenge in systems where computing resources and application requirements may change at runtime. In such scenarios, the configuration of a GCP must be continuously re-adjusted to attain certain performance goals, or to adapt to current resource availability. This paper addresses this challenge by proposing self-managing mechanisms based on feedback control theory to a GCP especially designed to be self-manageable; in the proposed protocol, message overhead and delivery latency can be adjusted at runtime to follow some new operating set-point. The evaluation performed under varied scenarios shows the effectiveness of our approach.
Description: Texto completo: acesso restrito. p.420–433
URI: http://repositorio.ufba.br/ri/handle/ri/17118
ISSN: 0743-7315
Appears in Collections:Artigos Publicados em Periódicos (MMCC)

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