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Second Order Snapshot-Log Relations: Supporting Multi-directional Database Replication Using Asynchronous Snapshot Replication

  • Yochai Ben-Chaim
  • Avigdor Gal
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4032)

Abstract

Multi-directional asynchronous replication is a desired mechanism which allows updates to be performed locally at any site, and later propagated asynchronously to other sites. This paper proposes using second order snapshot-log relations as a mechanism for extending the use of single-directional asynchronous replication to multi-directional. The proposed mechanism is fully based on DBMS core tools and existing DBMS snapshot replication support, thus allowing a natural extension for systems that already support asynchronous snapshot replication. We have implemented and tested the proposed mecha-nism, showing results and terms of correctness.

Keywords

Directional Model Master Server Asynchronous Replication Stale Data Update Propagation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Yochai Ben-Chaim
    • 1
  • Avigdor Gal
    • 1
  1. 1.Technion – Israel Institute of Technology 

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