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:
Mar. 26, 2013
Filed:
Dec. 11, 2006
Ofira Tal-aviv, Rahovot, IL;
Galina Rubinshtein, Holon, IL;
Gili Revel, Rehovot, IL;
Gil Perzy, Holon, IL;
Yakov Kupherstein, Kibutz Revadim, IL;
Uri Segev, Or-Yehuds, IL;
Amir Perlman, Yahud, IL;
Avshalom Houri, Netivot, IL;
James Patrick Galvin, Jr., Oak Ridge, NC (US);
Ofira Tal-Aviv, Rahovot, IL;
Galina Rubinshtein, Holon, IL;
Gili Revel, Rehovot, IL;
Gil Perzy, Holon, IL;
Yakov Kupherstein, Kibutz Revadim, IL;
Uri Segev, Or-Yehuds, IL;
Amir Perlman, Yahud, IL;
Avshalom Houri, Netivot, IL;
James Patrick Galvin, Jr., Oak Ridge, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method for SIP presence server failover, the method including setting an expiration time of a SIP application session on a first SIP server having a first SIP presence server to match the expiration time of a SIP request that is associated with the SIP application session, setting a SIP request attribute set representing a plurality of attributes of the SIP request, replicating the SIP application session together with the attribute set to a second SIP server having a second SIP presence server, migrating the SIP application session to the second SIP server for activation thereat, detecting an event indicating that the SIP application session has been migrated, and upon detection of the event, reestablishing at the second SIP presence server the SIP request associated with the SIP application session and using the attribute set.