Propagation of network queries through superior- subordinate...

Details Propagation of network queries through superior- subordinate... Propagation of network queries through superior- subordinate...

G - Physics

06

F

354/233

G06F 17/30 (2006.01)

Patent

CA 1260151

PROPAGATION OF NETWORK QUERIES THROUGH SUPERIOR SUBORDINATE AND PEER-PEER DATA DISTRIBUTION RELATIONSHIPS A directory database system includes a network and a plurality of directory service units (DSU), each of the DSUs providing one or more directory service functions within the directory database. For propagation of an undirected user query relative to an object in the database from a source DSU to one or more target DSUs, one of which may contain information relative to the object, a propagation (P) table is provided in each of the DSUs, the P tables being a data structure capable of determining which other DSUs to send the user query to. The source DSU examines its associated P table for the directory type specified in the query to generate an identification of one or more additional target ones of the DSUs to which the query should be directed. After propagating a query from the source DSU to those additional DSUs identified by the P table in the source DSU, there is returned to the source DSU information responsive to the user query from the one of the additional target DSUs containing the information.

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