Let’s talk about DNS. After all, what could go wrong? It’s just cache invalidation and naming things.
tl;dr
This blog post is about how Stack Overflow and the rest of the Stack Exchange network approaches DNS:
- By bench-marking different DNS providers and how we chose between them
- By implementing multiple DNS providers
- By deliberately breaking DNS to measure its impact
- By validating our assumptions and testing implementations of the DNS standard
The good stuff in this post is in the middle, so feel free to scroll down to “The Dyn Attack” if you want to get straight into the meat and potatoes of this blog post.
Read more at StackExchange
