One of the advantages of using the standard ACME protocol is that you will be able to very easily switch CAs should you need to. It could possibly even be autom

One of the advantages of using the standard ACME protocol is that you will be able to very easily switch CAs should you need to. It could possibly even be automatically switched on the fly, if one CA has some sort of outage. That’s a nice advantage for improving reliability and flexibility. This is presumably a core feature of Google Cloud, and if you’re already using their other cloud products, I can’t imagine being too worried about features randomly going away. (Disclaimer: While I work for Let’s Encrypt, this is my own opinion and not necessarily that of my employers)