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A Blockchain-enabled Multi-domain DDoS Collaborative Defense Mechanism
Huifen Feng,Ying Liu,Xincheng Yan,Na Zhou,Zhihong Jiang 한국인터넷정보학회 2023 KSII Transactions on Internet and Information Syst Vol.17 No.3
Most of the existing Distributed Denial-of-Service mitigation schemes in Software-Defined Networking are only implemented in the network domain managed by a single controller. In fact, the zombies for attackers to launch large-scale DDoS attacks are actually not in the same network domain. Therefore, abnormal traffic of DDoS attack will affect multiple paths and network domains. A single defense method is difficult to deal with large-scale DDoS attacks. The cooperative defense of multiple domains becomes an important means to effectively solve cross-domain DDoS attacks. We propose an efficient multi-domain DDoS cooperative defense mechanism by integrating blockchain and SDN architecture. It includes attack traceability, inter-domain information sharing and attack mitigation. In order to reduce the length of the marking path and shorten the traceability time, we propose an AS-level packet traceability method called ASPM.We propose an information sharing method across multiple domains based on blockchain and smart contract. It effectively solves the impact of DDoS illegal traffic on multiple domains. According to the traceability results, we designed a DDoS attack mitigation method by replacing the ACL list with the IP address black/gray list. The experimental results show that our ASPM traceability method requires less data packets, high traceability precision and low overhead. And blockchain-based inter-domain sharing scheme has low cost, high scalability and high security. Attack mitigation measures can prevent illegal data flow in a timely and efficient manner.
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Bashir Nawaz Haider,Yue Dan,Jiang Huifen,Ma Li,Li Qiang 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.4
In this revision of the subtribe Pemphredonina (Crabronidae: Pemphredoninae: Pemphredonini) from China, we reported several species present in respected subtribe, out of which one species is new to science Passaloecus frontirugatus Bashir and Ma, sp. nov., and six species are recorded for the first time from China, including Polemistus palawanensis Tsuneki, Diodontus insidiosus Spooner, Diodontus handlirschi Kohl, Diodontus tiemudzhin Tsuneki, Diodontus spinicerus Kazenas, and Diodontus kuroo Tsuneki. A key to genera and the species of Diodontus and Passaloecus from China is also provided. Distributional records from China of each genus are also g
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