This volume 4465 of the Lecture Notes in Computer Science series is a coll- tion of the papers of the NET-COOP 2007 conference, a ?rst-of-a-series Euro- NGI/FGI Conference on Network Control and Optimization. The event took place in the beautiful city of Avignon, France, June 5 7, 2007, was jointly or- nized by INRIA and the University of Avignon and was hosted by the latter. Internet communications and services areexperiencing an increasein volume and diversity both in their capacity and in their demand. This comes at the cost of an increase in the complexity of their control and...