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Safe peer-to-peer self-downloading
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ACM Transactions on Autonomous and Adaptive Systems (TAAS) archive
Volume 3 ,  Issue 4  (November 2008) table of contents
Article No. 19  
Year of Publication: 2008
ISSN:1556-4665
Authors
Kajari Ghosh Dastidar  University of Iowa
Ted Herman  University of Iowa
Colette Johnen  University of Bordeaux 1
Publisher
ACM  New York, NY, USA
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ABSTRACT

A goal of peer-to-peer applications is to share files between users themselves rather than downloading files from file servers. Self-downloading protocols have the property that, eventually, every user downloads only from other users. Self-downloading is problematic if users disconnect from the system upon completing file downloading, because they only share with other users while connected. Yet, if users continue to arrive at a sufficient rate, self-downloading protocols are possible. One vulnerability of file sharing between users is the possibility that files or segments could be counterfeit or corrupt. Protocols that are d-safe tolerate some number of instances of faulty segments in a file being downloaded, because each segment is downloaded d times before being shared. This article shows that d-safe self-downloading is possible for a sufficiently large arrival rate of users to the system. Upper and lower connectivity and sharing bounds are given for d = 2, and simulation results show effects of relaxing assumptions about arrival rates and bandwidth.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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Collaborative Colleagues:
Kajari Ghosh Dastidar: colleagues
Ted Herman: colleagues
Colette Johnen: colleagues