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What is Pessimistic Replication

Chapter 69
Handbook of Research on Mobility and Computing: Evolving Technologies and Ubiquitous Impacts
Strategy for data replication in which any access to replicated data is only granted after the system guarantees that no inconsistency will result from such an access.
Published in Chapter:
Data Replication Support for Collaboration in Mobile and Ubiquitous Computing Environments
João Barreto (INESC-ID/Technical University Lisbon, Portugal) and Paulo Ferreira (INESC-ID/Technical University Lisbon, Portugal)
Copyright: © 2011 |Pages: 23
DOI: 10.4018/978-1-60960-042-6.ch069
Abstract
We analyze state-of-the art solutions, discussing their strengths and weaknesses along three main effectiveness dimensions: (i) faster strong consistency, (ii) with less aborted work, while (iii) minimizing both the amount of data exchanged between and stored at replicas; and identify open research issues.
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