Aborting SASL authentication from the client

I was hoping the group could clarify something for me.  In SASL when a
client aborts a SASL transaction, sending a <blob status='abort'/> what
would the proper response from the server be?  

Should it respond with a RLY message of "<ok/>"  or perhaps a RLY with
"<error code='451'/>" or should it be the "<error code='451'/>" in a ERR
message?  Other suggestions?

Thoughts?

--Kevin Kress

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