Explore the world of DDoS attacks and their impact on the decentralized internet in this 41-minute conference talk from Strange Loop. Delve into the challenges of DDoS mitigation, focusing on Layer 3 IP spoofing attacks. Learn why these attacks persist in today's internet, distinguish between direct and reflected attacks, and understand the difficulties in tracing their origins. Discover effective software-based mitigation techniques developed by CloudFlare over years of experience. Gain insights into amplification attacks, Synflood attacks, and the Iraq Subnet issue. Examine potential solutions and the importance of cooperation in addressing IP spoofing to safeguard the internet's future. Conclude with a Q&A session to further explore this critical cybersecurity topic.