jm + papers + music   1

_Spotify: Large Scale, Low Latency, P2P Music-on-Demand Streaming_
Gunnar Kreitz' paper on its innards! 'Spotify is a music streaming service offering lowlatency access to a library of over 8 million music tracks.
Streaming is performed by a combination of client-server access
and a peer-to-peer protocol. In this paper, we give an overview
of the protocol and peer-to-peer architecture used and provide
measurements of service performance and user behavior.
The service currently has a user base of over 7 million and
has been available in six European countries since October 2008.
Data collected indicates that the combination of the client-server
and peer-to-peer paradigms can be applied to music streaming
with good results. In particular, 8.8% of music data played comes
from Spotify’s servers while the median playback latency is only
265 ms (including cached tracks). We also discuss the user access
patterns observed and how the peer-to-peer network affects the
access patterns as they reach the server.'
spotify  via:waxy  streaming  p2p  music  architecture  papers  networking 
june 2011 by jm

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