re: DNS CNAMEs, thanks for the feedback! I've updated the relevant section:
> This ensures that in the event of an infrastructure-level issue, core components can be replaced without requiring you to make changes to your apps.
You are right, it's not about protecting the platform from an app being DDOSed - that example was far too specific. It's about ensuring that an app is configured take full advantage of the flexibility and redundancy that our infrastructure is designed to provide.
> This ensures that in the event of an infrastructure-level issue, core components can be replaced without requiring you to make changes to your apps.
You are right, it's not about protecting the platform from an app being DDOSed - that example was far too specific. It's about ensuring that an app is configured take full advantage of the flexibility and redundancy that our infrastructure is designed to provide.