Evaluation of existing p2p systems kazaa bittorrent
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Evaluation of Existing P2P Systems KaZaA & BitTorrent. Αλεξάκης Κωνσταντίνος Γιωτάκης Παναγιώτης. Εισαγωγή. Peer-to-peer : Κατανεμημένα συστήματα ομότιμων κόμβων χτισμένα πάνω στην υποδομή του διαδικτύου

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Evaluation of Existing P2P Systems KaZaA & BitTorrent

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Evaluation of existing p2p systems kazaa bittorrent

Evaluation of Existing P2P SystemsKaZaA & BitTorrent


Evaluation of existing p2p systems kazaa bittorrent

  • Peer-to-peer:

  • p2p , , , ,

  • , : , E-mule, Dc++, BitTorrent


Evaluation of existing p2p systems kazaa bittorrent

  • :

    • p2p ;

  • p2p :

    • BitTorrent - KaZaA


Kazaa

KaZaA

  • p2p

  • 2001 Napster

  • fastTrack:

    • supernodes ordinary nodes


Bittorrent

BitTorrent

  • , p2p

  • peer servers (trackers) meta-data (.torrent)

    peer

  • peer

    (tit-for-tat strategy)


Evaluation of existing p2p systems kazaa bittorrent

  • :

    • Kazaa-lite, KaZaA

    • Azureus, BitTorrent

  • search kazaa-lite web-site itTorrent:

    • http://isohunt.com/ 11993 trackers


Evaluation of existing p2p systems kazaa bittorrent

  • :

    • (KaZaA)

    • Download time

    • Free-Riding

    • User friendly


Kazaa lite azureus

KaZaA-Lite, Azureus

  • KaZaA-Lite (KaZaA), Azureus (BitTorrent)


Kazaa search evaluation

KaZaA search evaluation

  • , (~50%)


Evaluation of existing p2p systems kazaa bittorrent

: ,

  • p2p


Evaluation of existing p2p systems kazaa bittorrent

:

  • 20

  • ~1min KaZaA

  • BitTorrent


Evaluation of existing p2p systems kazaa bittorrent

:

  • (>5min KaZaA)

  • KaZaA

  • BitTorrent KaZaA >11min


Evaluation of existing p2p systems kazaa bittorrent

: -

  • (-) (>15 )

  • 1min KaZaA, (>5min)

1min


Evaluation of existing p2p systems kazaa bittorrent

:

  • (>300mb) , cds, , software (>5min)


Evaluation of existing p2p systems kazaa bittorrent

:

  • :

    • BitTorrent : , cds, software, , e-books

    • KaZaA : ,

    • (papers)


Download time

: Download Time


Evaluation of existing p2p systems kazaa bittorrent

  • :

    • KaZaA-Lite , search

    • BitTorrent web-sites, trackers

  • :

    • KaZaA

    • BitTorrent meta-data (.torrent) tracker


Free riding

Free-Riding

  • p2p (Free-Riders)

  • BitTorrent Free-Riding

    • trackers upload/download1

  • KaZaA


User friendly

: User Friendly

  • documentations, KaZaA-Lite Azureus

  • , KaZaA-Lite

  • BitTorrent


Evaluation of existing p2p systems kazaa bittorrent

  • BitTorrent, tracker

  • banned trackers

  • To


Evaluation of existing p2p systems kazaa bittorrent

  • :


Evaluation of existing p2p systems kazaa bittorrent


References

References

[1] http://www.bittorrent.com

[2] http://www.kazaa.com

[3] http://isohunt.com

[4] Kazaa vs LimeWirehttp://www.cdrinfo.com/Sections/Reviews/Specific.aspx?ArticleId=15064&PageId=1

[5] 500+ bitTorrent sites: http://home.quicknet.nl/qn/prive/romeria/bittorrentsites.htm

[6] Jian Liang, Rakesh Kumar, Keith W. Ross, The KaZaA Overlay: A Measurement Study, September 15, 2004

[7] Dissecting BitTorrent: Five Months in a Torrents Lifetime, M. Izal, G. Urvoy-Keller, E.W. Biersack, P.A. Felber, A. Al Hamra, L. Garces-Erice,2004


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