Tesis de Maestría en Informática y Computación
Palabras clave:
Modelos de Decisión, Operadores de Agregación, Control de Concurrencia, Consenso, Etiquetas Lingüísticas, Comunicación entre Grupos de Procesos, Exclusión Mutua, Sistemas Operativos Distribuidos, Lógica Difusa, Computación con Palabras, Sistemas Autorregulados, Balanceo de Carga.Resumen
La utilización de los recursos compartidos se debe realizar en la modalidad de exclusión mutua. Esta investigación propone un nuevo modelo de decisión con la funcionalidad de adaptarse a distintos requerimientos, se considera el entorno de ejecución distribuida de procesos, que podrían estar agrupados o ser independientes, el acceso a recursos compartidos se establece de acuerdo a distintas exigencias de consenso (las asignaciones se pueden satisfacer por rondas de asignación o de manera consecutiva), para generar la secuencia de asignación de los recursos a los procesos que los solicitan mediante el uso del método de agregación más adecuado a cada escenario posible, respetando la exclusión mutua en el acceso a dichos recursos. Este método innovador, permite que el sistema se autoregule, proporcionando información de manera iterativa (mediante ciclos y subciclos de retroalimentación) para lograr el balanceo dinámico de la carga de trabajo, y el equilibrio del sistema, utilizando etiquetas lingüísticas que permitan clasificar los datos del estado del sistema, nodos, procesos y recursos. Se consideraron al algoritmo centralizado, al algoritmo distribuido de Lamport, Ricart y Agrawala, al algoritmo de anillo de fichas como modelos clásicos para acceder a recursos compartidos. La investigación se desarrolló en Pilar, República del Paraguay, en la Facultad de Ciencias Aplicadas (FCA) de la Universidad Nacional de Pilar (UNP).
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