I would strongly suggest indaba. It allows each country to be heard and they can come to a conclusion quickly. They can only voice their opinion in a certain way. A country gives their Red Line in a diplomatic way and the other can respond with their hard limits.
<span>The peer review process can create a conflict of interest because favoritism can be shown. Peers often want to support their friends or those close to them so will choose their projects over others. They are trying to help those they care about to succeed.</span>