Let's call that cache pollution or flooding attacks. In the end, I consider it poisonous because I don't want to evict relevant content for junk (especially fro

Let's call that cache pollution or flooding attacks. In the end, I consider it poisonous because I don't want to evict relevant content for junk (especially from the long tail). I do mention that the RFC says that 404 responses can be cached, and that according to my own cache policy, I disagree. It depends on your goals.