Abstract
Implementing reliable Video on Demand (VoD) systems over the Internet, which is inherently best-effort, is a challenge. Distributed streaming for Video on Demand addresses this challenge with a combination of two techniques. The first, Distributed Video Streaming using Multicast (DVSM) involves video streaming from multiple servers to overcome path congestion by exploiting path diversity. The second technique, Asynchronous Hybrid mechanism for Video on Demand, implements a segmentation-based periodic broadcast to effectively utilize network bandwidth and decrease latency. The combination involves devising new algorithms for bandwidth estimation, segment partitioning and scheduling. A simulation of our proposed solution demonstrates its effectiveness. Specifically the results show, the prompt reaction of our strategy to congestion, and, the effect the various parameters have on system performance. The results shed light on parameters that can be fine-tuned for an effective VoD system.KeywordsVideo on DemandPatchingSchedulingDistributed StreamingMulticast
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