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2The "Blockchain Signaling System (BloSS): Enabling a Cooperative and Multi-domain DDoS Defense" demonstration by Bruno Rodrigues, Thomas Bocek, and Burkhard Stiller of the Communication Systems Group CSG at the 42nd IEEE Conference on Local Computer Networks (LCN 2017), October 9-12, 2017, Singapore was awarded the Best Demo Award!
Distributed Denial-of-Service (DDoS) defense systems are not capable of withstanding by themselves against large-scale attacks. Thus, coordinated protection efforts have become an attractive alternative to extend the defense capabilities of a single system. However, existing DDoS signaling protocols are a bottleneck to make a coordinated and distributed defense fully operational. Blockchain technology offers an out-of-the-box solution that not only reduces the complexity of signaling DDoS attack information but could also provide means of establishing financial incentives for cooperation at a reduced operational cost. This work presents the Blockchain Signaling System (BloSS), a novel approach deployed hardware for signaling DDoS attacks in a cooperative network defense system.