The first phase, spanning a 42-day ceasefire, would see the exchange of 33 Israeli hostages in Gaza for Palestinians held in Israeli prisons, U.S. officials said.

The Israeli government and Hamas say that they are in the final stages of indirect talks over a deal for a ceasefire and the release of hostages held in Gaza and Palestinian prisoners held by Israel.

The question is if the ceasefire will survive beyond its first phase. Here is a look at the plan and potential pitfalls.