Patents by Inventor Yakov Kupherstein

Yakov Kupherstein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sip presence server failover
    Patent number: 8406123
    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.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: March 26, 2013
    Assignee: International Business Machines Corporation
    Inventors: Ofira Tal-Aviv, Galina Rubinshtein, Gili Revel, Gil Perzy, Yakov Kupherstein, Uri Segev, Amir Perlman, Avshalom Houri, James Patrick Galvin, Jr.
  • Single sign-on (SSO) for non-SSO-compliant applications
    Patent number: 7698734
    Abstract: A method for providing SSO authentication when accessing non-SSO-compliant applications, the method including forwarding a user name and a password received from a non-SSO-compliant application to an SSO proxy, encapsulating the user name and password in a request to access a protected application, authenticating the user name and password responsive to the request using SSO authentication, and generating an SSO token if said authentication step is successful.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: April 13, 2010
    Assignee: International Business Machines Corporation
    Inventors: Yakov Kupherstein, Dror Yaffe
  • SIP PRESENCE SERVER FAILOVER
    Publication number: 20080137531
    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.
    Type: Application
    Filed: December 11, 2006
    Publication date: June 12, 2008
    Inventors: Ofira Tal-Aviv, Galina Rubinshtein, Gili Revel, Gil Perzy, Yakov Kupherstein, Uri Segev, Amir Perlman, Avshalom Houri, James Patrick Galvin