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BANDWIDTH MANAGEMENT IN A CENTRALIZED LARGE SCALE DISSEMINATION NETWORK - A SIMULATION STUDY

The evolution of the Internet gave rise to new applications. The need to disseminate high volumes of data to numerous users along with the evolution of Peer -to-Peer systems, introduced a new alternative to the traditional client-server paradigm. File sharing networks became the platform for thousands of users to share content. Users often turn to these networks to find highly anticipated, newly released software or video files which sometimes are of considerable size. However, increased mean response time or even network failures can be observed in such P2P systems, often caused because of uneven flow of data and intersperse congestion points. In this paper, the structure of Peercast, an agent based dissemination network, is presented. Several simulation experiments were conducted and their results are examined in order to determine how the network's bandwidth can be best utilized during the dissemination process.