NDLI: Towards a secure dynamic allocation of files in large scale distributed file systems

Content Provider	IEEE Xplore Digital Library
Author	Zanin, G. Mei, A. Mancini, L.V.
Copyright Year	2004
Description	Author affiliation: Dipt. di Informatica, Univ. di Roma "La Sapienza", Rome, Italy (Zanin, G.; Mei, A.; Mancini, L.V.)
Abstract	In this paper we consider large distributed systems in which objects are shared among several users. Our focus is on peer-to-peer (P2P) systems and, specifically, we present an adaptive algorithm for file fragments allocation on multiple servers belonging to a P2P network, derived from the adaptive data replication (ADR) algorithm by Wolf-son and Jajodia. While the ADR algorithm handles replicas of files, our algorithm handles (replicated) fragments of files. Moreover, while the ADR algorithm does not take into account any security issue, we also make some critical considerations about security of the system and show how a replicated-fragmentation scheme is convenient for sharing information in P2P networks, for achieving both high performance and security. The performance of the algorithm is evaluated in terms of transmission cost of packets, i.e. in terms of network utilization of the system, in contrast of the number of packets exchanged by peers, and the transmission cost is analyzed theoretically.
Starting Page	102
Ending Page	107
File Size	195956
Page Count	6
File Format	PDF
ISBN	0769522696
DOI	10.1109/PTPSYS.2004.22
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-08
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network servers Costs File systems Data security Peer to peer computing Adaptive algorithm Information security File servers Large-scale systems Performance analysis
Content Type	Text
Resource Type	Article

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