what did people do before Cloudflare? DDoS scrubbing centers. They are still used today but add some latency and are very expensive. There are also some expe

what did people do before Cloudflare? DDoS scrubbing centers. They are still used today but add some latency and are very expensive. There are also some expensive appliances that learn legit traffic and can be put into a defense mode that drops anything it did not learn at a certain volume. CDN's have incentives to be more cost effective as they want to have your traffic 100% of the time. DDoS scrubbing centers are on-demand via BGP changes.