Data processing: database and file management or data structures – File or database maintenance
Reexamination Certificate
2008-01-09
2010-10-12
Flynn, Nathan (Department: 2454)
Data processing: database and file management or data structures
File or database maintenance
C707S625000, C707S687000, C707S694000, C709S216000, C709S219000
Reexamination Certificate
active
07814051
ABSTRACT:
A system for managing watcher information in a distributed server environment, including a watcher information database configured to store records, any of the records populated by a watcher identifier, a presentity identifier, a list of unique identifiers of a plurality of subscriptions by the watcher, a watcher state field indicating a current state of the watcher, and an event field indicating an event that last caused the state of the watcher to change, each record representing a different pair of a watcher and a presentity pair, and where each of the records maintains a single state for one or more subscriptions by a watcher to receive presence information regarding a presentity, and a plurality of presence servers, where each of the presence servers is configured to modify any of the records to reflect the current state of a watcher for any subscription indicated in the record.
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J. Rosenberg; “A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP)”; RFC 3857 of the Internet Engineering Task Force; Aug. 2004; pp. 1-20.
J. Rosenberg; “An Extensible Markup Language (XML) Based Format for Watcher Information”; RFS 3858 of the Internet Engineering Task Force; Aug. 2004; pp. 1-13.
Ben-Ezra Asaf
Berezin Olga
Schneider Haim
Segev Uri
Tal-Aviv Ofira
Flynn Nathan
International Business Machines - Corporation
Khan Aftab Nasir
Sughrue & Mion, PLLC
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