Stable hash-based mapping computation for a dynamically varying target set
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United States of America Patent
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Jan 25, 2011
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N/A
app pub date -
Sep 7, 2000
filing date -
Sep 7, 2000
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Abstract
Mapping a source identifier in a source identifier space to a target identifier in a target identifier space using a hash-based computation that is stable over time with respect to a change in the number of target identifiers. A data item identifiable by a source identifier is associated with some type of computational resource that is represented by a target object identifiable by one or more target identifiers. The set of target objects is dynamically variable. After hashing the source identifier to produce an index position of an entry in a table, a target identifier is retrieved from the table entry. Each entry in the table is related to a single target identifier based on a nearness computation that depends upon the table index position of the table entry and a target identifier for the related target.
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