Methods and systems for consistently replicating data
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United States of America Patent
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Apr 19, 2016
Grant Date -
Jul 9, 2009
app pub date -
Jan 9, 2008
filing date -
Jan 9, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques for maintaining consistent replicas of data are disclosed. By way of example, a method for managing copies of objects within caches, in a system including multiple caches, includes the following steps. Consistent copies of objects are maintained within the caches. A home cache for each object is maintained, wherein the home cache maintains information identifying other caches likely containing a copy of the object. In response to a request to update an object, the home cache for the object is contacted to identify other caches which might have copies of the object.
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