A comparison study for two fuzzy-based systems: improving reliability and security of JXTA-overlay P2P platform

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/89789

Title:	A comparison study for two fuzzy-based systems: improving reliability and security of JXTA-overlay P2P platform
Author:	Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos
Other authors:	Universitat Politècnica de Catalunya. Departament de Ciències de la Computació
Abstract:	This is a copy of the author's final draft version of an article published in the journal Soft computing.
Abstract:	The reliability of peers is very important for safe communication in peer-to-peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different services. However, for deciding the peer reliability there are needed many parameters, which make the problem NP-hard. In this paper, we present two fuzzy-based systems (called FBRS1 and FBRS2) to improve the reliability of JXTA-overlay P2P platform. In FBRS1, we considered three input parameters: number of interactions (NI), security (S), packet loss (PL) to decide the peer reliability (PR). In FBRS2, we considered four input parameters: NI, S, PL and local score to decide the PR. We compare the proposed systems by computer simulations. Comparing the complexity of FBRS1 and FBRS2, the FBRS2 is more complex than FBRS1. However, it also considers the local score, which makes it more reliable than FBRS1.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Informàtica::Seguretat informàtica -Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors -Fuzzy systems -Peer-to-peer architecture (Computer networks) -Computer security -P2P -Fuzzy system -Reliability -Number of interactions -Security -Local score -JXTA-overlay platform -Networks -Sistemes borrosos -Xarxes punt a punt (Xarxes d'ordinadors) -Seguretat informàtica
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Document type:	Article - Submitted version Article
Published by:	Springer
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