Don't Ask don't tell to me means you could be involved with someone who wants to remain oblivious to your actions and even partners. You know you have someone who you are open with but details of any kind wig you out.
Could easily be poly. Poly simply means to love more than one, thats it. Relationship constructs around that don't apply to polyamoury. Ethics are also individual so its hard to apply to a relationship construct.
I couldn't do a DADT.. i prefer friendly involvement with my metamours. Doesn't mean it can't work, just means it won't work with me in the picture.