Patents by Inventor Vijay Nain

Vijay Nain 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).

  • Network device providing access to both layer 2 and layer 3 services on a single physical interface
    Patent number: 7881314
    Abstract: A network node includes a first port and a second port, the second port being operable to carry a first type of data traffic over a main physical interface, the first type of data traffic including Layer 2 services. The second port is operable to simultaneously carry a second type of data traffic over a sub-interface of the main physical interface. The second type of data traffic consisting of Layer 3 services that include point-to-point (P2P), point-to-multipoint (P2MP), and multipoint services.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: February 1, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Chiara Regale, Ali Sajassi, Vijay Nain, Shobana Biederman, Robert G. Pothier
  • Network route processor using state-based switchover
    Patent number: 7411925
    Abstract: Embodiments of the present invention provide for switchover from an active processor to a standby processor in a route processor system. An up-to-date copy of information used by a supervisor process at the active processor is ensured by determining necessary event states. One type of event state includes message requests, processing and replies. Three basic types of communication between three different entities (blade, wireless domain services (WDS) and supervisor) are governed by three types of communication protocols: WLCCP between a blade and WDS, LCP between a supervisor and a blade, and checkpoint-type messages between two supervisors.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: August 12, 2008
    Assignee: Cisco Technology, Inc.
    Inventors: Vijay Nain, Chia Tsai, Ajit Sanzgiri
  • Network device providing access to both layer 2 and layer 3 services on a single physical interface
    Publication number: 20070253432
    Abstract: A network node includes a first port and a second port, the second port being operable to carry a first type of data traffic over a main physical interface, the first type of data traffic including Layer 2 services. The second port is operable to simultaneously carry a second type of data traffic over a sub-interface of the main physical interface. The second type of data traffic consisting of Layer 3 services that include point-to-point (P2P), point-to-multipoint (P2MP), and multipoint services. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
    Type: Application
    Filed: May 1, 2006
    Publication date: November 1, 2007
    Applicant: Cisco Technology, Inc.
    Inventors: Chiara Regale, Ali Sajassi, Vijay Nain, Shobana Biederman, Robert Pothier
  • Network route processor using state-based switchover
    Publication number: 20060002343
    Abstract: Embodiments of the present invention provide for switchover from an active processor to a standby processor in a route processor system. An up-to-date copy of information used by a supervisor process at the active processor is ensured by determining necessary event states. One type of event state includes message requests, processing and replies. Three basic types of communication between three different entities (blade, wireless domain services (WDS) and supervisor) are governed by three types of communication protocols: WLCCP between a blade and WDS, LCP between a supervisor and a blade, and checkpoint-type messages between two supervisors.
    Type: Application
    Filed: November 12, 2004
    Publication date: January 5, 2006
    Applicant: Cisco Technology, Inc.
    Inventors: Vijay Nain, Chia Tsai, Ajit Sanzgiri