Zvonimir 
                    Zelenika, 
                    Robert Macek, CARNet, Zagreb
                  Zvonimir 
                    Zelenika received his B.Sc.E.E at Department of Telecommunications 
                    of Faculty of Electrical Engineering and Computing in Zagreb. 
                    Since 1996. he is a student researcher in CARNet's Research 
                    and Development Laboratory (CARNet RDLab), working on development 
                    and application of ATM video-conferencing and hypermedia applications 
                    in CARNet network. In 2000. he worked on the development and 
                    acceptance of future telecom services (G3 mobile) in British 
                    Telecom PLC. He's active in TERENA TF-STREAM videoconferencing/streaming 
                    task force and Darwin/QuickTime Streaming Server development. 
                    Also, he worked on several projects in new media technologies 
                    with TrioMedia Interactive, Zagreb based multimedia factory. 
                    Since 2001. he is employed in CARNet as a head of Research 
                    and Development Laboratory (CARNet RDLab) and manager of multimedia 
                    services (CARNet TV and CARNet MoD).  
                  Robert 
                    Macek is a final-year student at Department of Radio 
                    communications and Microwave Engineering of Faculty of Electrical 
                    Engineering and Computing in Zagreb. He is a student researcher 
                    in CARNet's Research and Development Laboratory (CARNet RDLab), 
                    working on testing, development and implementation of new 
                    multimedia services in CARNet MoD and CARNet TV services.