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研究生: 李宗旻
Zong-Ming Lee
論文名稱: 支援SDR的O-RAN惡意流量檢測平台
SDR-enabled O-RAN Platform for Malicious Traffic Detection
指導教授: 鄭欣明
Shin-Ming Cheng
口試委員: 查士朝
Shi-Cho Cha
李奇育
Chi-Yu Li
徐瑞壕
Ruei-Hau Hsu
柯拉飛
Rafael Kaliski
鄭欣明
Shin-Ming Cheng
學位類別: 碩士
Master
系所名稱: 電資學院 - 資訊工程系
Department of Computer Science and Information Engineering
論文出版年: 2022
畢業學年度: 110
語文別: 英文
論文頁數: 28
中文關鍵詞: 開放式無線電網路軟體定義無線電網路安全智慧網路
外文關鍵詞: Open-RAN, Software defined radio, Network security, Intelligent network
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  • Contents Abstract in Chinese . . . . . . . . . . . . . . . . . . . . . . . . . . iii Abstract in English . . . . . . . . . . . . . . . . . . . . . . . . . . iv Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii List of Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 O-RAN Architecture and Operations . . . . . . . . . . . . . . . 4 2.0.1 Simulated O-RAN Components and Interfaces . . 4 2.0.2 AI-enabled Applications using Closed-loop control 5 2.0.3 Software Defined Radio enabled O-RAN . . . . . 8 2.0.4 O-RAN and Security . . . . . . . . . . . . . . . . 9 3 Potential O-RAN Threats . . . . . . . . . . . . . . . . . . . . . 11 3.0.1 O-RAN open-standard framework related threats . 13 3.0.2 O-RAN fronthaul threats . . . . . . . . . . . . . . 13 3.0.3 O-RAN open-standard interface threats . . . . . . 14 3.0.4 Malicious data flow threats . . . . . . . . . . . . . 14 4 O-RAN Assisted Security . . . . . . . . . . . . . . . . . . . . . 16 4.0.1 Proposed Near-RT RIC ↔ MEC Closed Loop . . . 16 4.0.2 Attacks Model . . . . . . . . . . . . . . . . . . . 16 5 O-RAN Assisted Security . . . . . . . . . . . . . . . . . . . . . 19 5.0.1 Internally originating DNS attacks . . . . . . . . . 19 5.0.2 Externally originating Mirai attacks . . . . . . . . 21 6 Experimental Results . . . . . . . . . . . . . . . . . . . . . . . 24 7 Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

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    pp. 96–103, Dec. 2021.
    [2] M. Polese, “Understanding O-RAN: Architecture, interfaces, algorithms, security, and research challenges,”
    arXiv preprint arXiv:2202.01032, Feb. 2022.
    [3] A. S. Abdalla et al., “Toward next generation open radio access network – what O-RAN can and
    cannot do!,” arXiv preprint arXiv:2111.13754, Nov. 2021.
    [4] A. Akman et al., “O-RAN minimum viable plan and acceleration towards commercialization,” White
    Paper, O-RAN ALLIANCE.
    [5] Ericsson and AT&T, “O-RAN security architecture,” tech. rep., O-RAN ALLIANCE Work Group 1,
    2021.
    [6] O-RAN ALLIANCE Security Focus Group, “O-RAN.SFG.security-test-specifications-v01.00,”
    Technical Specification, O-RAN ALLIANCE.
    [7] O-RAN.TIFG.E2E-Test, “O-RAN end-to-end test specification 2.0,” Technical Specification, O-RAN
    ALLIANCE.
    [8] E. C. Strinati et al., “Reconfigurable, intelligent, and sustainable wireless environments for 6G smart
    connectivity,” vol. 59, pp. 99–105, Oct. 2021.
    [9] 3GPP TS 38.816, “Study on Central Unit (CU) - Distributed Unit (DU) lower layer split for NR,”
    Technical report 38.816, 3GPP.
    [10] R. Ferrús, O. Sallent, and J. Perez-Romero, “Data analytics architectural framework for smarter radio
    resource management in 5G radio access networks,” vol. 58, pp. 98–104, June 2020.
    [11] J. Y. Cho and A. Sergeev, “Secure open fronthaul interface for 5G networks,” in Proc. ICPS 2021,
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    [12] Y. Cao et al., “User access control in open radio access networks: A federated deep reinforcement
    learning approach,” 2021. accepted for publication.
    [13] B. Balasubramanian et al., “RIC: A RAN intelligent controller platform for AI-enabled cellular networks,”
    vol. 25, pp. 7–17, Apr. 2021.
    [14] L. Bonati et al., “Intelligence and learning in O-RAN for data-driven NextG cellular networks,”
    vol. 59, pp. 21–27, Oct. 2021.
    [15] M. Polese et al., “ColO-RAN: Developing machine learning-based xApps for Open RAN closed-loop
    control on programmable experimental platforms,” arXiv preprint arXiv:2112.09559, Dec. 2021.
    [16] M. Gusatu and R. Olimid, “Improved security solutions for DDoS mitigation in 5G multi-access edge
    computing,” arXiv preprint arXiv:2111.04801, Nov. 2021.
    [17] C.-Y. Li et al., “Transparent AAA security design for low-latency MEC-integrated cellular networks,”
    IEEE Trans. Veh. Technol., vol. 69, pp. 3231–3243, Jan. 2020.
    [18] H. Moudoud et al., “Prediction and detection of fdia and DDoS attacks in 5G enabled IoT,” IEEE
    Network, vol. 35, pp. 194–201, Nov. 2020.
    [19] H. Li et al., “A cooperative defense framework against application-level DDoS attacks on mobile edge
    computing services,” IEEE Transactions on Mobile Computing, pp. 1–1, jun 2021.
    [20] D. Mimran et al., “Evaluating the security of open radio access networks,” arXiv preprint
    arXiv:2201.06080, Jan. 2022.
    [21] F. Klement, S. Katzenbeisser, V. Ulitzsch, J. Krämer, S. Stanczak, Z. Utkovski, I. Bjelakovic, and
    G. Wunder, “Open or not open: Are conventional radio access networks more secure and trustworthy
    than Open-RAN?,” arXiv preprint arXiv:2204.12227, May 2022.
    [22] R. Bitton et al., “Adversarial machine learning threat analysis in Open Radio Access Networks,” arXiv
    preprint arXiv:2201.06093, Jan. 2022.

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