Patents by Inventor Nagampalli S. S. Narasimha Rao

Nagampalli S. S. Narasimha Rao 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).

  • Interface between mobile connectivity service and WWAN device
    Patent number: 7814179
    Abstract: Methods and systems are provided for an event-based configuration interface between a service supporting mobile connectivity and device drivers exposing WWAN data services. Object identifiers (OIDs) are passed between the service and the device drivers. Asynchronous communication is enabled. Methods and systems for using OIDs to negotiate configuration, including PINs, SIMs and signal strength, of WWAN devices such as GSM and CDMA-based devices are provided.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: October 12, 2010
    Assignee: Microsoft Corporation
    Inventors: Alan Walter Shen, Hao Zhuang, Dan A. Knudson, Warren V. Barkley, Nagampalli S. S. Narasimha Rao, Taroon Mandhana
  • Multi-layer based method for implementing network firewalls
    Patent number: 7260840
    Abstract: A method is provided for implementing a firewall in a firewall architecture. The firewall architecture includes a plurality of network layers and a first firewall engine. The layers send packets and packet information to the first firewall engine, maintain and pass packet context to subsequent layers, and process the packets. The first firewall engine compares the packet information to one or more installed filters and returns an action to the layers indicating how to treat the packet.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: August 21, 2007
    Assignee: Microsoft Corporation
    Inventors: Brian D. Swander, Gurdeep Singh Pall, Nagampalli S. S. Narasimha Rao