NDLI: An Autonomic Approach for Replication of Internet-based Services

Content Provider	IEEE Xplore Digital Library
Author	Serrano, D. Patino-Martinez, M. Jimenez-Peris, R. Kemme, B.
Copyright Year	2008
Description	Author affiliation: Univ. Politenica de Madrid (UPM), Madrid (Serrano, D.; Patino-Martinez, M.; Jimenez-Peris, R.; Kemme, B.)
Abstract	As more and more applications are deployed as Internet-based services, they have to be available anytime anywhere in a seamless manner. This requires the underlying infrastructure to provide scalability, fault tolerance and fast response times. While replicating the services and the data they access across sites that are located in different geographic regions is a promising means to achieve these requirements, data consistency is challenging if data continuously changes and queries are dynamic by nature, as is typical for e-commerce applications.Thus, current WAN replication solutions either trade performance for data consistency or are notable to scale in wide-area settings. In this paper, we present a novel approach to provide performance and consistency for Internet services. One of the main contributions is an autonomic replica placement module that places data copies only on servers close to clients that actually need them. The goal is to find the right trade-off between fast local access and the overhead of keeping data copies consistent. As data access patterns might change over time, reconfiguration is done periodically and online, i.e., allowing sites to receive new data copies or drop data copies while at the same time transaction processing continues in the system.
Starting Page	127
Ending Page	136
File Size	259842
Page Count	10
File Format	PDF
ISBN	9780769534107
ISSN	10609857
DOI	10.1109/SRDS.2008.22
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-06
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Web and internet services Delay Wide area networks Scalability Availability Books Web server Measurement Local area networks Fault tolerance Internet-based systems and applications Autonomic computing middleware replicated databases and transaction processing electronic commerce and enabling technologies
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Computer Networks and Communications Software Hardware and Architecture

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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
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