Multicast vs. P2P for content distribution
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چکیده
Many different service architectures, ranging from centralized client-server to fully distributed are available in today’s world for Content Distribution on the Internet. The IP Multicast seemed to be a wonderful technology with potential benefits for one-tomany or many-to-many content distribution applications. However, even after more than two decades of its invention, only very few commercial applications of multicast are in use. On the other hand, the recent widespread use of peer-to-peer (P2P) applications such as SETI, Napster, eDonkey, BitTorrent and Gnutella indicate that there are many potential benefits to fully distributed peer-to-peer systems. In this position paper, we briefly describe service model and architecture of both Multicast and P2P networks and put forth the reasons for P2P being a better technology than Multicast for Content Distribution.
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