Proceedings of the 4th International Workshop on Theoretical Aspects of Dynamic Distributed Systems (TADDS 2012)

General Chairs Lélia Blin, University of Evry and LIP6 University Curie, France Yann Busnel, University of Nantes, LINA, France Program Commitee Roberto Baldoni, University of Rome "La Sapienza", Italy Lélia Blin, University of Evry and LIP6 University Curie, France Yann Busnel, University of Nantes, LINA, France Yuval Emek, ETH, Switzerland Pascal Felber, University of Neuchatel, Switzerland Alexander Shvartsmam, University of Connecticut, USA