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Energy-aware and intelligent storage features for multimedia devices in smart classroom

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Abstract

With the recent big-data processing in multimedia devices becoming a popular application, a fast and energy efficient storage area network system for smart classroom is required. Traditional storage management system for smart classroom show low performance when small read and write operations are executed. This paper proposes a smart classroom storage management system (SCSMS) which consists of new adaptive chunking and XOR reference matrix based erasure coding techniques for multimedia devices with higher input/output performance and low energy consumption. The SCSI initiator is installed in multimedia devices such as smart TVs, smart phones and personal computers. The proposed adaptive chunking and exclusive-or (XOR) reference matrix-redundant array of inexpensive disks (XRM-RAID)are provided at a target server based on flash array storage, respectively. Adaptive chunking differs from traditional chunking in that it reduces the number of read and write operations by merging small files into a united chunk. XRM-RAID differs from existing RAID in that it reduces the number of XOR operations to generate parity data in the RAID system. This paper provides web based monitoring application of the proposed SCSMS. Experimental results show that the energy consumption of the proposed SCSMS is improved by 32 %, 42 % and 58 % compared to Huang et al., Kim et al. and Scott et al. with respect to file size and buffer size. In terms of the average write throughput, the proposed SCSMS has higher performance by 22 %, 32 % and 56 % compared to Huang et al., Kim et al. and Scott et al. with respect to file size and buffer size.

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Acknowledgments

This work was supported in part by the MSIP(Ministry of Science, ICT and Future Planning), Korea, under the ICT/SW Creative Research program (NIPA-2014-H0502-14-3002) supervised by the NIPA(National IT Industry Promotion Agency) and in part by the National Research Foundation of Korea(NRF) Grant funded by the Korean Government(MOE) (2013R1A1A2006912) and in part by Inha University Research Grant.

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  1. Department of Electronic Engineering, Inha University, Incheon, 402-751, South Korea

    Mehdi Pirahandeh & Deok-Hwan Kim

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  1. Mehdi Pirahandeh
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  2. Deok-Hwan Kim
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Correspondence to Deok-Hwan Kim.

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Pirahandeh, M., Kim, DH. Energy-aware and intelligent storage features for multimedia devices in smart classroom. Multimed Tools Appl 76, 1139–1157 (2017). https://doi.org/10.1007/s11042-015-3019-1

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