Scalability of HTTP Pacing With Intelligent Bursting

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Executive Summary

While streaming protocols like RTSP/RTP have continued to evolved, HTTP has remained a primary method for Web-based video retrieval. The ubiquity and simplicity of HTTP makes it a popular choice for many applications. However, HTTP was not designed for retrieving data with just-in-time tolerances; HTTP servers have always taken an as-fast-as-possible approach to data delivery. For media with known bandwidth constraints (E.g., audio/video files), HTTP servers can be enhanced and optimized by taking these constraints into account. For these data types, this paper presents the architecture for an HTTP streaming server using paced output.

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