Book excerpt: This book constitutes the refereed proceedings of the 9th IEEE Workshop on IP Operations and Management, IPOM 2009, held in Venice, Italy, on October 29-30, 2009, as part of the 5th International Week on Management of Networks and Services, Manweek 2009. The 12 revised full papers presented in this volume were carefully reviewed and selected from 35 submissions. The papers are organized in topical sections on management of quality of services and multimedia, network robustness, management of virtual networks, configuration of network resources and applications