Resilient data management for replicated mobile database systems

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We propose a new replication control scheme for mobile database systems. Replicating data inevitably induces the burden of maintaining consistency, which requires more complex synchronization mechanisms, especially in the presence of communication failures. If a communication link fails, all sites are divided into two disjoint groups: the major group called the quorum partition and the minor group called the non-quorum partition. This phenomenon, called network partitioning, could lead to access starvation. In order to access replicated databases without access starvation even in the presence of network partitioning, we propose a new scheme called fault-tolerant quorum consensus (FTQC). FTQC is based on the idea that quorum formation is allowed even in the non-quorum partition. FTQC guarantees inter-partition one-copy serializability, without sacrificing data availability. (C) 1999 Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
1999-01
Language
English
Article Type
Article
Keywords

QUORUM-CONSENSUS; CONSISTENCY; ALGORITHM

Citation

DATA KNOWLEDGE ENGINEERING, v.29, no.1, pp.43 - 55

ISSN
0169-023X
URI
http://hdl.handle.net/10203/4177
Appears in Collection
MT-Journal Papers(저널논문)
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