The Israeli and Palestinian negotiators should be invited to a secluded location in the US for intensive negotiations for as long as it takes, with the US mediator setting the agenda, assigning tasks and drafting the agreement.
The excuse for continuing to control Palestine’s eastern border is not related to real security but to the psychological difficulty of letting go.
We cannot have peace while continuing to control Palestine’s external borders. No people will agree to live in a sovereign cage. Not us, and not them.