Making networks and services dependable is, of course, extremely high on the priority list of any network manager and that makes this book a vital tool in the armory of any researcher or professional in the field. These are carefully revised texts of selected lectures given at the 13th EUNICE Open European Summer School as well as the conjoint IFIP workshop, held in the Netherlands in July 2007. The papers are organized in topical sections on middleware and supportive services and context-awareness, among other topics.