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- W2805337789 abstract "Software defined networking (SDN) is a promising network architecture, which decouples the control plane and data plane of a network. However, SDN opens some security challenges, such as man-in-the-middle attacks, spoofing attacks, flooding attacks and so on. In this paper, we focus on flooding attacks which consume the switch buffer and controller resource resulting in SDN framework resource overloaded. To prevent SDN framework from flooding attack, we present a defense approach called PBUF (Packet forwarding based on BUFfer sharing), which pools the idle switches to mitigate threat issues. This approach consists of buffer management and packet forwarding modules. The buffer management module gleans the statistics of incoming packets and then analyzes these statistics to estimate the buffer size by network calculus. Considering that a lot of table-miss packets will be generated and stored in buffer when the flooding attack is happening, the packet forwarding module is designed to forward these table-miss packets to idle switches to prevent the switch or controller to be overloaded. These table-miss packets will be buffered in idle switches and then sent to controller in a limited rate by generating packet_in messages. The simulation results show that PBUF is effective and only introduces a little overhead in SDN framework." @default.
- W2805337789 created "2018-06-13" @default.
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- W2805337789 date "2017-12-01" @default.
- W2805337789 modified "2023-10-16" @default.
- W2805337789 title "PBUF: Sharing Buffer to Mitigate Flooding Attacks" @default.
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- W2805337789 doi "https://doi.org/10.1109/icpads.2017.00059" @default.
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