Електротехнички факултет [Конференције] / Faculty of Electrical Engineering [Conference paper]

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https://vaseljena.ues.rs.ba/handle/123456789/821

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Прегледај Електротехнички факултет [Конференције] / Faculty of Electrical Engineering [Conference paper] по Аутор "Davidović, Nikola"

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    MasterBroker: REST oriented Service Broker
    (2014) Kosmajac, Dijana; Vujović, Vladimir; Maksimović, Mirjana; Davidović, Nikola; Perišić, Branko
    Considering historical development and expansion of World Wide Web, it is obvious that there is no unique tendency in terms of supporting software technologies. Moreover, vast amount of different technologies has emerged because the system as a whole became quite complex and diverse. Heterogeneity, which is characteristic of distributed systems based on Web, is one of the main challenges which system designer may encounter. The paper presents and discusses a software solution proposal which mainly relies on widely deployed Internet stack protocols and REST (Representational State Transfer) style of Web services. Further, the paper compares standardized approach based on SOAP (Simple Object Access Protocol) to a proposed one based on REST. As a result, the implementation represents a control component with broker architecture
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    The influence of workloads and depth queue on the performance of SSD disk RAID 0 level array
    (Faculty of Electrical Engineering, University of East Sarajevo, 2020) Davidović, Nikola; Obradović, Slobodan; Đorđević, Borislav; Timčenko, Valentina
    The RAID 0 level represents a group of N independent disks. The data is written consecutively in blocks to various hardware units. This procedure increases the total storage space. Since the capacity of SSD devices is relatively small, connecting them into a N disks RAID 0 array results in a device N times larger than the smallest device. RAID 0 allows multiple devices to be accessed simultaneously, that is, to obtain write and read speed operations in proportion to the number of SSDs that are forming the array (if the bus speed allows). However, the performance of the RAID 0 array, besides the impact of the number of used units, is also affected by other parameters. The paper analyzes the effect of RAID 0 array size (number of SSD units), average block size, and queue depth to the RAID 0 array performance.