The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2010
Filed:
Jan. 09, 2008
Asaf Ben-ezra, Acco, IL;
Olga Berezin, Yokneam Ilit, IL;
Haim Schneider, Ramot Meir, IL;
Uri Segev, Or-Yehuda, IL;
Ofira Tal-aviv, Moshav Bitzaron, IL;
Asaf Zinger, Givat Shmuel, IL;
Asaf Ben-Ezra, Acco, IL;
Olga Berezin, Yokneam Ilit, IL;
Haim Schneider, Ramot Meir, IL;
Uri Segev, Or-Yehuda, IL;
Ofira Tal-Aviv, Moshav Bitzaron, IL;
Asaf Zinger, Givat Shmuel, IL;
International Business Machines Corporation, Armonk, NY (US);
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.