Patents by Inventor Khanna Sanjay

Khanna Sanjay 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).

  • Passive virtual router redundancy prototcol
    Patent number: 7573812
    Abstract: The present invention relates to a pair of routers which implement an active VRRP group and one or more passive VRRP groups wherein the active VRRP group executes the VRRP election protocol and the passive VRRP group(s) do not execute the VRRP election protocol but instead the passive VRRP group(s) mimic the active VRRP group such that when the active VRRP group has a state change then all of it's dependent passive VRRP group(s) will also have the same state change such as becoming a master or a backup.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: August 11, 2009
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Khanna Sanjay, Venugopalan Ullanatt, Tobias Karlsson, David Sinicrope
  • PASSIVE VIRTUAL ROUTER REDUNDANCY PROTOTCOL
    Publication number: 20080151882
    Abstract: The present invention relates to a pair of routers which implement an active VRRP group and one or more passive VRRP groups wherein the active VRRP group executes the VRRP election protocol and the passive VRRP group(s) do not execute the VRRP election protocol but instead the passive VRRP group(s) mimic the active VRRP group such that when the active VRRP group has a state change then all of it's dependent passive VRRP group(s) will also have the same state change such as becoming a master or a backup.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 26, 2008
    Inventors: Khanna Sanjay, Venugopalan Ullanatt, Tobias Karlsson, David Sinicrope