Interactive Multimedia and Next Generation Networks : Second International Workshop on Multimedia Interactive Protocols and Systems MIPS 2004 Grenoble France November 16 19 2004. Proceedings This book contributes the refereed proceedings of the Second International Workshop on Multimedia Interactive Protocols and Systems MIPS 2004 held in Grenoble France in November 2004. The 20 revised full papers and 5 revised short papers presented were carefully reviewed and selected from 74 submissions. The papers are organized in topical sections on VoIP and audio transport video encoding multi source multimedia multicasting und broadcasting scheduling schemes content management multimedia services and security