NDLI: Data Replication in P2P Collaborative Systems

Content Provider	IEEE Xplore Digital Library
Author	Xhafa, F. Kolici, V. Potlog, A.-D. Spaho, E. Barolli, L. Takizawa, M.
Copyright Year	2012
Abstract	Data replication techniques have been extensively used in distributed systems to achieve, among others, due to system nodes failures: (a) high data availability, (b) system's reliability and (c) scalability. Due to the various characteristics of distributed systems as well as system's and application's requirements, a variety of data replication techniques have been proposed in the distributed computing field. One important distributed computing paradigm is that of P2P systems, which distinguish for their large scale and unreliable nature. The study and application of replication techniques becomes a must in such systems. While it is well understood and easy to achieve replication of immutable information (typically files) in P2P systems, it becomes more challenging to implement data replication techniques of dynamic data under highly dynamic nature of large P2P systems. Indeed, replicating documents that could change over time requires addressing the consistency issues. In this paper we study some data replication techniques for P2P collaborative systems. We identify several contexts and use cases where data replication can greatly support collaboration. We then consider as a case study replication techniques for dynamic documents in the context of a peer-group based P2P system of super-peer architecture. P2P collaborative systems arise in many groupware applications, such as collaborative work in online teams, having requirements for high availability and system reliability (e.g. in disaster management scenarios). We propose a replication system for documents structured as XML files to address the dynamics of the documents at peers and use the super-peer to ensure a satisfactory level of document consistency among peers.
Starting Page	49
Ending Page	57
File Size	675828
Page Count	9
File Format	PDF
ISBN	9781467329910
DOI	10.1109/3PGCIC.2012.26
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	JXTA Library Cloud computing Super-peer P2P Collaborative Systems XQuery Data Replication Peer-group
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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