One purpose for a low TTL in the solutions I have built is that you want to change the IP. So first you hit the DNS. You get an IP from some main location. Then

One purpose for a low TTL in the solutions I have built is that you want to change the IP. So first you hit the DNS. You get an IP from some main location. Then after the first request you figure out where the user is located. Perhaps spins up some container close to the user. Then on consecutive requests you get an IP much closer to the user. Another usage is to load balance out a lot of users to different web nodes for instance. Edit: spelling