This book constitutes the refereed proceedings of the 8th IFIP/IEEE International Conference on Management of Multimedia Networks and Services, MMNS 2005, held in Barcelona, Spain in October 2005. The 33 revised full papers presented were carefully reviewed and selected from 65 submissions. The papers are organized in topical sections on wireless networking technologies, wireless network applications, overlay network management, multimedia, Web applications, quality of services, and bandwidth management.