Improving Availability of P2P Storage Systems

This paper discusses how to building high available storage systems on top of peer-to-peer infrastructure. We first demonstrate that traditional definitions of availability are not suitable for distributed systems. Then the application-specific availability is defined and analyzed in this paper. We...

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Hauptverfasser:	Shi, Shuming, Yang, Guangwen, Yu, Jin, Wu, Yongwei, Wang, Dingxing
Format:	Buchkapitel
Sprache:	eng
Schlagworte:	Applied sciences Artificial intelligence Computer science control theory systems Exact sciences and technology Pattern recognition. Digital image processing. Computational geometry Software Speech and sound recognition and synthesis. Linguistics
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Beschreibung
Zusammenfassung:	This paper discusses how to building high available storage systems on top of peer-to-peer infrastructure. We first demonstrate that traditional definitions of availability are not suitable for distributed systems. Then the application-specific availability is defined and analyzed in this paper. We observed by experiments that, in a P2P storage system with frequently node join and leave, availability can’t be improved effectively by pure redundancy (replication or erasure coding). A method is proposed in this paper which combines peer auto-selection and redundancy to effectively improve the availability of P2P storage systems.
ISSN:	0302-9743 1611-3349
DOI:	10.1007/978-3-540-39425-9_53