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Los Angeles, CA
March 31, 2009 to April 2, 2009
ISBN: 978-0-7695-3507-4
pp: 140-144
ABSTRACT
This paper proposed a new algorithm named GSP-K, which is a peer caching algorithm based on global segment popularity for P2P VoD system. This algorithm evaluates the cache utility of media segment via gathering the statistics of media segment popularity globally, and makes the numbers of a media segment copies in the whole system vary directly with it’s cache utility. The simulation experiments indicated that GSP-K algorithm has better performance in increasing statistics precision of segment popularity, cache space utilization rate and segment hit radio than others algorithms such as LRU, LFU and LRU-K.
INDEX TERMS
Caching Algorithm, Global Segment Popularity, P2P, VoD
CITATION
Liu Yi-na, Cheng Ling-ling, Tao Jun-cai, "Peer Caching Algorithm Based on Global Segment Popularity for P2P VoD System", CSIE, 2009, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE 2009, pp. 140-144, doi:10.1109/CSIE.2009.425
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