Unveiling popularity of BitTorrent darknets

Xiaowei Chen*, Xiaowen CHU, Jiangchuan Liu

*Corresponding author for this work

Research output: Chapter in book/report/conference proceedingConference contributionpeer-review

11 Citations (Scopus)

Abstract

BitTorrent is today's most influential peer-to-peer system. Currently BitTorrent has two very different operating models: (1) public trackers, and (2) private trackers (also known as Darknets). A private tracker can only be accessed by its registered users, and it can provide ultra high downloading speed due to its effective Share Ratio Enforcement (SRE) incentive mechanism which stimulates the users to upload contents as much as possible. Although private trackers are becoming more and more popular, they receive little attention from the research literature, possibly because they are operated underground. To understand the popularity of Darknets, we have traced 17 private tracker sites, 2 public tracker sites and 1 BitTorrent search engine for 6 months. We investigate these private tracker sites from several aspects and try to understand why they are so successful in terms of attracting loyal users and providing high downloading speed. We then analyze the SRE mechanism, credit/point system and ratio free system used by private trackers. Our results unveil the reason of popularity and effectiveness of private trackers. Furthermore, we point out the "poor downloading motivation" phenomenon caused by the imbalance between seeders and leechers in private trackers. These understandings are essential to the sustainable development of future BitTorrent content distribution systems.

Original languageEnglish
Title of host publication2010 IEEE Global Telecommunications Conference, GLOBECOM 2010
DOIs
Publication statusPublished - 2010
Event53rd IEEE Global Communications Conference, GLOBECOM 2010 - Miami, FL, United States
Duration: 6 Dec 201010 Dec 2010

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference53rd IEEE Global Communications Conference, GLOBECOM 2010
Country/TerritoryUnited States
CityMiami, FL
Period6/12/1010/12/10

Scopus Subject Areas

  • Electrical and Electronic Engineering

User-Defined Keywords

  • BitTorrent
  • Content distribution
  • Incentive mechanism
  • Peer-to-peer networks
  • Private tracker

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