Patent ID: 8055665
Filing Date: 2011-11-08
Classification: G06F

Abstract:
1. A computer implemented method for performing a sorted search in a distributed directory environment using a proxy server, the computer implemented method comprising: by the proxy server, sending a first sorted search request to a set of backend servers for a top entry from each of the backend servers, and receiving responses thereto to form a set of top entries; by the proxy server, evaluating which of the backend servers has returned an utmost top entry with respect to other top entries of the set of top entries; by the proxy server, sending a second sorted search request to a backend server which had the utmost top entry, with a search filter for all entries having a sort order higher than or equal to the utmost top entry and a sort order lower than or equal to a next utmost top entry with respect to the other top entries of the set of top entries; returning all entries from the second sorted search request to a requesting client; by the proxy server, sending a sorted search request to the backend server, which had the utmost top entry, for a new top entry having a sort order greater than the next utmost top entry; adding the new top entry to the set of top entries; and returning to the evaluating step until there are no more top entries in the set of top entries.