Peer-to-peer Streaming of Stored Media: The Indirect Approach Tadeusz Piotrowski, Suman Banerjee University of Wisconsin-Madison, WI 53706, USA {tadeusz,suman}@cs.wisc.edu Sudeept Bhatnagar, Samrat Ganguly, Rauf Izmailov NEC Laboratories, Princeton, NJ 08540, USA {sudeept,samrat,rauf}@nec-labs.com Categories and Subject Descriptors: C.2.4 [Distributed Systems]: Distributed applications General Terms: Algorithms, Design, Measurement, Performance. Keywords: Media-streaming, Peer-to-peer, Overlays. 1. INTRODUCTION We present -Stream, a system which enables fast realtime media-streaming that allows clients to take advantage of multiple servers, when available, as well as allows peer-topeer style collaborations between such clients for improved performance This is in contrast to current commercially available media-streaming players such as RealPlayer or Quicktime are limited to downloading from a single server. Our work is motivated by the continued increase in available network access capacity in recent years, that has led to proliferation of rich multimedia content over the Internet. In many cases, this has moved the Internet path bottlenecks from access links to intra-AS and peering links [1]. -Streamproposes to circumvent these bottlenecks by exploiting opportunities for parallel downloads from multiple servers and client peers an approach that has gained popularity today for large le transfers, e.g., in BitTorrent (see www.bittorrent.org). While the principle driving BitTorrent and -Streamare
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