Thanks Jeremiah and Chris - Feedback heard. Let me reconsider doing this
directly through the existing provider/authenticator model, with minimal
changes to the native protocol. I'd be happy if that simplified things.
Also, if I'm overly focused on enabling an interruption-free migration
strat
Can also accomplish this on the client instead of server. Make client side
supports multiple authentication mechanisms and does whatever START says.
That's how we have upgraded to different auth mechanisms without downtime
or interruption. For java in example, for AuthProvider of driver override
p