NDLI: A Trace Label Based Consistency Maintenance Algorithm in Unstructured P2P Systems

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A Trace Label Based Consistency Maintenance Algorithm in Unstructured P2P Systems

Content Provider	CiteSeerX
Author	Kun, Xie Da-Fang, Zhang Gao-Gang, Xie Ji-Gang, Wen
Abstract	Abstract: Replication is an effective way to improve the scalability, fault-tolerance, and availability as well as to reduce the query responding time in P2P system. With the P2P applications transferring from read-only static files sharing to read-write dynamical files interacting, maintaining consistency between frequently-updated files and their replicas is a fundamental reliability requirement for P2P system. This paper presents a trace label based consistency maintenance algorithm. It modifies the message datagram by attaching the address list of peers to which message has been sent. This can help to tell the duplicated message from the source peer by the aid of the attached address list in message datagram. Considering that the address list can become longer with the update time lapsing and the degree of P2P increasing, this paper presents a new Bloom Filter denoting the address list algorithm. The Bloom Filter can succinctly present the address list and simplify the query actions in the list by “OR ” operations. The experimental results show that the new trace label based consistency maintenance algorithm can largely reduce the number of the duplicated messages. Moreover, the higher the degree of P2P, the more reduction of the number of
File Format	PDF
Access Restriction	Open
Subject Keyword	Consistency Maintenance Algorithm Trace Label Address List Unstructured P2p System Duplicated Message Message Datagram P2p System Bloom Filter Experimental Result Update Time Lapsing Source Peer Fundamental Reliability Requirement New Bloom Filter Read-only Static File Read-write Dynamical File P2p Application New Trace Label Attached Address List Query Action Frequently-updated File Address List Algorithm Effective Way
Content Type	Text
Resource Type	Article

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