If Israel is ready and willing, I am too. I’d be surprised if it ever really happens, but who knows, enough parties may want it, and Trump may mean what he says.
The security details would need to be enormous and ongoing.
All areas would need to be under surveilance, ground level, sub-ground levels, directly below and adjacent, air spaces over and adjacent. All roads leading to and leading out of that area.
The details you mention are already covered because of two US consulate buildings in Jerusalem.