NDLI: Dynamically Distributed Parallel Permanent connection - D2P for minimizing file download time in Peer-to-Peer networks

Content Provider	IEEE Xplore Digital Library
Author	Devi, M.S. Pushpalatha, S.
Copyright Year	2008
Description	Author affiliation: P.S.N.A. Coll. of Eng. & Technol., Dindigul (Devi, M.S.; Pushpalatha, S.)
Abstract	The peer-to-peer (P2P) networks is heavily used for content distribution applications and are becoming increasingly popular for Internet file sharing. Generally the download of a file can take from minutes up to several hours depending on the level of network congestion or the service capacity fluctuation. In this paper, we consider two major factors that have significant impact on average download time, namely, the spatial heterogeneity of service capacities in different source peers and the temporal fluctuation in service capacity of a single source peer. We prove that both spatial heterogeneity and temporal correlations in service capacity increase the average download time in P2P networks and then analyze a simple, distributed algorithm to minimize the file download time. Here, we have designed a new distributed algorithm namely dynamically distributed parallel permanent (D2P) connection that effectively removes the negative factors of the existing parallel downloading, chunk based switching, periodic switching, thus minimizing the average download time. In our design, the downloader randomly chooses multiple source peers and divides the file randomly into chunks and download happens in parallel for the fixed time slot t and source selection function does not change for that fixed time slot. Our dynamically distributed parallel permanent (D2P) connection effectively removes correlations in the capacity fluctuation and the heterogeneity in space, thus greatly reducing the average download time.
Starting Page	1
Ending Page	8
File Size	1309949
Page Count	8
File Format	PDF
ISBN	9781424435944
DOI	10.1109/ICCCNET.2008.4787763
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Fluctuations D2P connection Peer to peer computing P2P network File servers Educational institutions Service Capacity Peer Selection Strategy Network servers Computer architecture Computer networks IP networks Distributed algorithms
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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