In recent decades the conflict landscape appears to have changed markedly. Geopolitics are back; there has been an uptick in intra- and inter-state conflicts; there are more and more proxy wars and armed non-state actors; and the multilateral system is less integral to peacemaking efforts than it once was. What does this say about the practice of mediation – is it an outdated tool? Or does it merely need rethinking and refining to make it fit for purpose?

What scope is there for diplomacy to play a more effective role in mediating wars and conflicts? On the occasion of the publication of the 8th edition of Satow’s Diplomatic Practice edited by Ivor Roberts, we bring together four former distinguished diplomats to answer that and related questions.