This document discusses how to launch and defend against DDoS attacks. It explains that DDoS attacks are easy to conduct using tools that allow for spoofing of IP addresses. It also describes how protocols like UDP and DNS amplification attacks can be used to launch large attacks. The document then provides recommendations for how to defend against DDoS attacks, including using a global network with anycast, hiding your origin IP, separating protocols by IP, and working closely with your upstream provider.