Patents by Inventor Nagampalli Rao

Nagampalli 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
    Publication number: 20050090248
    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: Application
    Filed: December 31, 2003
    Publication date: April 28, 2005
    Inventors: Alan Shen, Hao Zhuang, Dan Knudson, Warren Barkley, Nagampalli Rao, Taroon Mandhana
  • Multi-layer based method for implementing network firewalls
    Publication number: 20050022011
    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: Application
    Filed: June 6, 2003
    Publication date: January 27, 2005
    Applicant: Microsoft Corporation
    Inventors: Brian Swander, Gurdeep Pall, Nagampalli Rao