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Optimal performance of data transmission between Malaysia-China for VLBI-based radio astronomy observation using Jive5ab

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Abstract

A Very Long Baseline Interferometry (VLBI) station in Malaysia is significant to improve the coverage of the Asia-Oceania Network. This study investigates the transmission network performance between Malaysia and China through high bandwidth real-time data transfer using Malaysia Research and Education Network (MYREN) and China Science and Technology Network (CSTNET) for e-VLBI purposes. The transmission network tests and data transfer tests were conducted from two VLBI station locations: Universiti Malaya campus in Kuala Lumpur and the Biotechnology Research Centre in Jelebu, to the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences. This research investigates data transfers using several different protocols; the File transfer protocol (FTP), user datagram protocol (UDP), and UDP-based data transfer (UDT) using Jive5ab software. Based on the results, the University Malaya network demonstrated its capability with a maximum throughput of 800 Mbps and an acceptable packet loss of 0.049%. Also, the Jive5ab-UDT protocol has the best performance, with a maximum throughput of 302.56 Mbps and 467.43 Mbps for the download and upload speeds, respectively. The results also confirm University Malaya as a suitable site to perform data transfer using its high-speed connection to SHAO.

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Data availability

The calculated data presented in this paper is available for access granted by the corresponding author.

Notes

  1. About e-VLBI. Available from: http://www3.mpifr-bonn.mpg.de/div/vlbi/geodesy/evlbi/about.html. Accessed on 11 May 2020.

  2. ERIC, J.I.f.V. About JIVE. 2021; Available from: https://www.jive.eu/about-jive. Accessed on 10 May 2021

  3. GEANT. GÉANT topology map. 2018 [cited 2021 10 May]; Available from: https://www.geant.org/Networks/Pan-European_network/Pages/GEANT_topology_map.aspx.

  4. TEIN. Asi@Connect Project. 2018 [cited 2021 12 May]; Available from: http://www.tein.asia/sub/?mc=1010.

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Acknowledgments

The authors would like to acknowledge the beneficial grant provided by the University Malaya’s Grant, GPF081-2020.The authors also want to thank Dr. Chee Sun Liew and Mr. Ng Kheng Ghee from the Data-intensive computing center University Malaya (DICC-UM), for their contributions to assist us in conducting the network test and data transfer test. This work is also supported by the National Natural Science Foundation of China (grant number U1931135) and National RD Infrastructure and Facility Development Program of China, `Fundamental Science Data Sharing Platform’ (DKA2017-12-02-09). The authors would like to thank Juan Carlos Algaba Marcos for his valuable contributions to this article. The authors also would like to thank the anonymous reviewers for their beneficial comments to improve our paper into a better quality for our readers.

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Authors and Affiliations

  1. Radio Cosmology Research Laboratory, Department of Physics, University of Malaya, 50603, Kuala Lumpur, Malaysia

    Zamri Zainal Abidin, Farah Ramadhani, Zainol Abidin Ibrahim & Mohd Shazwan Mohd Radzi

  2. Department of Electrical Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia

    Noraisyah Mohamed Shah & Mahidzal Dahari

  3. Shanghai Astronomical Observatory, 80 Nandan Road, Shanghai, 200030, China

    Chen Zhong

  4. Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Beijing, China

    Chen Zhong

  5. Center of Research Excellent in Renewable Energy and Power Systems, King Abdulaziz University, Jeddah, 21589, Saudi Arabia

    Mahidzal Dahari

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  1. Zamri Zainal Abidin
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  2. Farah Ramadhani
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  3. Noraisyah Mohamed Shah
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  4. Zainol Abidin Ibrahim
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  5. Chen Zhong
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  6. Mahidzal Dahari
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  7. Mohd Shazwan Mohd Radzi
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Correspondence to Zamri Zainal Abidin.

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Abidin, Z.Z., Ramadhani, F., Shah, N.M. et al. Optimal performance of data transmission between Malaysia-China for VLBI-based radio astronomy observation using Jive5ab. Exp Astron 53, 1165–1176 (2022). https://doi.org/10.1007/s10686-022-09838-9

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