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Middleware extensions that trade consistency for availability
Linköping University, Department of Computer and Information Science, RTSLAB - Real-Time Systems Laboratory. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-1916-3398
Linköping University, Department of Computer and Information Science, RTSLAB - Real-Time Systems Laboratory. Linköping University, The Institute of Technology.
Cosylab.
2009 (English)In: CONCURRENCY AND COMPUTATION-PRACTICE and EXPERIENCE, ISSN 1532-0626, Vol. 21, no 9, 1181-1203 p.Article in journal (Refereed) Published
Abstract [en]

Replicated distributed object systems are deployed to provide timely and reliable services to actors at distributed locations. This paper treats applications in which data updates are dependent on satisfaction of integrity constraints over multiple objects. Network partitions, caused by occasional link failures, overload or attacks create problems in keeping both consistency and availability in such networks. We propose a means of achieving higher availability by providing partition-awareness in middleware. The general approach has been illustrated by implementing a number of CORBA extensions that trade consistency for availability during network partitions. This paper contains a thorough experimental evaluation that presents the gains and costs of our approach. The experiments clearly illustrate the benefit of our protocols in terms of significantly higher availability and the number of performed operations.

Place, publisher, year, edition, pages
John Wiley & Sons, 2009. Vol. 21, no 9, 1181-1203 p.
Keyword [en]
middleware, fault tolerance, network partitions
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-19624DOI: 10.1002/cpe.1383OAI: oai:DiVA.org:liu-19624DiVA: diva2:226729
Available from: 2009-07-03 Created: 2009-07-03 Last updated: 2015-03-02

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Asplund, MikaelNadjm-Tehrani, Simin

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  • nn-NB
  • sv-SE
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