Patents by Inventor Petri Jäppilä

Petri Jäppilä 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).

  • Method and system for redundant IP forwarding in a telecommunications network
    Patent number: 7440394
    Abstract: A new feature for a network element or a router is described herein. The feature is implemented in the router as a route manager object. The first function of the feature is realized by trapping routing messages that any process like routing daemon or the route manager object sends to the input/output manager and sends them forward to an appropriate function. The second function of the feature is realized by copying the routing messages from an active unit to another instance of the route manager running in the spare unit.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: October 21, 2008
    Assignee: Nokia Corporation
    Inventors: Jussi Ohenoja, Pia Talonpoika, Kari Kokkonen, Timo Patrikka, Jukka Haapala, Petri Jäppilä
  • Method and system for software updating
    Patent number: 6658090
    Abstract: A method and system for updating software in a network element of a telecommunication network the units of which are divided into an original side and testing side. The system includes a network element, having units that are logically divided into an original side and testing side, an original software for performing traffic transmitting tasks, and a new piece of software to be tested and/or introduced. At least one test connections is directed into the units of testing side loaded with the new piece of software, in order to be able to test the new piece of software.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: December 2, 2003
    Assignee: Nokia Corporation
    Inventors: Timo Harjunen, Esa Hintsala, Petri Jäppilä, Reijo Koivula, Tapio Pehkonen