Simulation and Development of Event-Driven Multimedia Session Nashwa Abdel-Baki and Hans Peter Großmann University of Ulm, OMI, Albert-Einstein-Allee 43, 89081 Ulm, Germany nashwa.abdel-baki@e-technik.uni-ulm.de, hans-peter.grossmann@kiz.uni-ulm.de Abstract. Networked multimedia systems are recently introduced to the field of research and study. However, the studied and developed sys- tems focus mainly on analysis and testing of the networking protocols and algorithms. There is a real need to consider the user demand with its complexities and diversities. In this paper we demonstrate our sys- tem that we developed to fulfil an event-driven multiparty multimedia streaming system. The system enables the user to interact live with the system interface to compose his own session of presentation. According to the developed system, we have considered running a simulation study of a multimedia communication system with different platforms and dif- ferent network topologies to approach the reality of testing the system over the existing global Internet. The simulation study and the devel- oped system have shown real achievement in the direction of user-driven multimedia sessions. 1 Introduction Research and development in the field of networking multimedia systems is one of the demanding issues over the Internet Protocol platform. The ongoing activities in this area focus on the networking algorithms to impose the Quality of Service (QoS) architecture on the existing platforms. However, there is a lack of study groups in the direction of user demand. There is a need to dedicate a lot of effort to this area of research and study. In this paper we are continuing our work on developing a fully integrated interactive multimedia session. We are targeting an event-driven multiparty ses- sion. This means the user interactivity is the core of the session construction. This is a challenging process especially in the direction of scalability and system response time. Scalability mainly is an issue in the direction of networking infrastructure. It is more seriously a considerable issue from the point of view of the number of multimedia sources that the application can handle. Moreover, it is an is- sue for the system processing power and the operating system and associated multimedia software. In [1] we introduced our synchronized multimedia prototype system that is based on clock-driven protocol and the dynamic finite state machine (DFSM) K. Aizawa, Y. Nakamura, and S. Satoh (Eds.): PCM 2004, LNCS 3332, pp. 447–454, 2004. c  Springer-Verlag Berlin Heidelberg 2004