Invention Grant
- Patent Title: Sip presence server failover
- Patent Title (中): Sip存在服务器故障切换
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Application No.: US11608854Application Date: 2006-12-11
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Publication No.: US08406123B2Publication Date: 2013-03-26
- Inventor: Ofira Tal-Aviv , Galina Rubinshtein , Gili Revel , Gil Perzy , Yakov Kupherstein , Uri Segev , Amir Perlman , Avshalom Houri , James Patrick Galvin, Jr.
- Applicant: Ofira Tal-Aviv , Galina Rubinshtein , Gili Revel , Gil Perzy , Yakov Kupherstein , Uri Segev , Amir Perlman , Avshalom Houri , James Patrick Galvin, Jr.
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent David A. Dagg
- Main IPC: G01R31/08
- IPC: G01R31/08
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.
Public/Granted literature
- US20080137531A1 SIP PRESENCE SERVER FAILOVER Public/Granted day:2008-06-12
Information query
