In 1990, Deering proposed IP multicast -an extension to the IP unicast service model for efficient multipoint communication. The multicast service model offered two key benefits: the efficient use of bandwidth for multipoint communication and the indirection of a group address which allows for network-level rendezvous and service discovery. This work describes a statistical analysis model that was used to compare the bandwidth used for distributed versus centralized multicast replication. The analysis uses probability to determine the amount of bandwidth that would be needed to serve a population of subscribers using a broadcast TV service. Because the maximum expected use of the broadcast service as a percentage of video subscribers (broadcast peak take rate) is typically much higher than that for the VoD service, the amount of bandwidth that is needed for broadcast and VoD services can be much higher when the broadcast service is delivered as unicast streams rather than by means of distributed replication.
Internet's rapid growth promoted the evolutoin of A. Characteristics of streaming media network based applications. Since a particular network application has its special requirements for network topology, many differentThe streaming transmission based media is called protocols have been introduced over the last couple of years. Most streaming media, which plays media files while downloading of these protocols overlap and are redundant in function, which them. In contrast to the dominating protocol at present results in bad overall performance of the application and the network. This paper presents an IPv6 QoS-based simple streaming internet -TCP, streaming media has following characteristics: transport protocol (SSTP), which enables the next generationThe consumed bandwidth is arelative constant. Both CBR networks to perform better and takes into account the feature of (Constant Bit Rate) audio streaming and VBR (Variable Bit multimedia stream transmission. The protocol has been Rate) video streaming consume the relative bandwidth in the implemented and deployed in various multimedia based long term. implementations. This paper will not only introduce the background The streaming media, which plays a media file while and design thinking behind SSTP, but also describe the SSTP in downloading it, requires that the data to be delivered to user detail. At last, the paper compares the performance of SSTP and in the given time slice thus making the delayed data useless RTP/RTCP, and gives the considerations about improvement of to local media player.
SSTP. t oa el lyrThe codec of streaming media has some tolerance Keywords -Streaming media, transport protocol, performance capability for packet loss, but it requires uniform distribution of packet losses. In other words, it is not required to have no
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