Nowadays, most IPTV senders provide all of their multiple streaming channels under IPv4 protocol, in dedicated networks, which are high bandwidth but costly and having geographically limited number of subscribers located relatively close to IPTV senders. Due to the increase of Internet bandwidth, IPTV providers seem to offer incredibly better television standard with HD IPTV. In this paper we adopt Quality of Service (QoS) mechanism based on priority and take into account the number of subscribers, and with the additionally use of jumbo frame. Simulation results on NS3 show that multicast streams with jumbo frame are lower delay and higher throughput than that of multicast streams without jumbo frame.
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