NDLI: MR-Chord: Improved Chord Lookup Performance in Structured Mobile P2P Networks

Content Provider	IEEE Xplore Digital Library
Author	Woungang, I. Fan-Hsun Tseng Yi-Hsuan Lin Li-Der Chou Han-Chieh Chao Obaidat, M.S.
Copyright Year	2007
Abstract	Peer-to-peer (P2P) networks are becoming very popular since various applications such as media streaming and voice over IP use these networks in different environment settings without the need for a client-server structure. P2P protocols have been originally designed for traditional wired networks, and when deployed in wireless network environments, several challenges are encountered. For instance, P2P clients may depart or join the network frequently, raising the issue of identification and retrieval of data items in an efficient manner. In this scenario, the routing information in P2P clients may become overdue, leading to lookup failures. This paper continues the investigation of our recently proposed solution for Chord lookup in mobile P2P networks [so-called mobile robust Chord (MR-Chord)]. MR-Chord was designed to maintain and update the finger table using a modified distributed hash table-based protocol, so that the necessary lookup services in the network are provided. Our contribution consists in studying the effects of node mobility on the performance of MR-Chord. Simulation results show that in the presence of node mobility, MR-Chord outperforms the original Chord protocol in terms of lookup success rate, overlay consistency, lookup delay time, lookup hot count, and total network load, chosen as performance metrics.
Sponsorship	IEEE Systems Council
Starting Page	743
Ending Page	751
Page Count	9
File Size	1258269
File Format	PDF
ISSN	19328184
Volume Number	9
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peer-to-peer computing Protocols Mobile communication Routing Mobile computing Real-time systems Servers peer-to-peer (P2P) Ad hoc on-demand distance vector (AODV) routing distributed hash table (DHT) dynamic source routing (DSR) lookup
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Control and Systems Engineering Information Systems Electrical and Electronic Engineering Computer Science Applications

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DOA: DSR over AODV Routing for Mobile Ad Hoc Networks

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MR-Chord: Improved Chord Lookup Performance in Structured Mobile P2P Networks