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Формализация проблемы оптимизации размещения данных САПР в «Облаке»

Формализация проблемы оптимизации размещения данных САПР в «Облаке»

Abstract

It is considered formalized statement of optimization of the accommodation data of the system of CAD in the «cloud» according to the offered hierarchical representation of the structure complex CAD system in this article. The basic stages and problems of the decision of the given problem at several of the system organization levels are defined and described. Input data are declared. Required constraints are introduced in each stage of the optimization problem decision. Mathematical model of the data accommodation is designed for the relationship between levels of functional and hardware configuration and data fragments accommodation. It is chosen efficiency criterions and deduced a formula complex efficiency criterion for the problem of the optimization of the data accommodation in «cloud» hosts.

Рассмотрена формализованная постановка задачи оптимизации размещения данных САПР в «облаке» в соответствии с предложенным иерархическим представлением структуры сложной САПР. Определены и описаны основные этапы и проблемы решения данной задачи на различных уровнях организации системы, определены исходные данные задачи. На каждом этапе решения задачи оптимизации вводятся необходимые ограничения. Разработана математическая модель размещения данных для взаимосвязи уровней функциональной и аппаратной конфигурации, размещения фрагментов данных. Выбраны критерии эффективности и выведена формула общего критерия эффективности для задачи оптимизации размещения данных в узлах «облака».

Keywords

«ОБЛАЧНОЕ» ХРАНЕНИЕ ДАННЫХ, РАЗМЕЩЕНИЕ ДАННЫХ, МЕТОД ОПТИМИЗАЦИИ, «CLOUD» DATA STORAGE

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average