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US Patent Application 20090037553 - Configuring or Reconfiguring a Multi-Master Information Sharing Environment

Application Filed on July 31, 2007
Application Published on February 5, 2009
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Abstract text


Configuring an n-way multi-master information sharing topology. Adding a new node (e.g., database server) to the information sharing topology can be implemented as follows. Initially, the new node is added as a slave of a particular co-master in the information sharing topology. The objects to replicate are instantiated on the new node by propagating data from the particular co-master to the new node. Furthermore, a capture process is created on the particular co-master to send changes to the objects to the slave. Meanwhile, the co-masters continue to propagate changes to each other. To promote the slave to a master, changes to objects stored at the slave are propagated to each of the co-masters. Furthermore, changes at each of the masters are propagated to the promoted node.

Inventors

US Class

709/209Master/slave mode selecting

Attorney, Agent or Firm

International Class

G06F 15/16

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