Patents by Inventor Krishna Rao Chennapragada

Krishna Rao Chennapragada 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).

  • HTTP redirection of configuration data for network devices
    Patent number: 6895433
    Abstract: A group of network devices, such as Ethernet switches, are logically configured as a single cluster, with one commander device and one or more expansion devices. Each device in the cluster contains an embedded HTML server that facilitates configuration and management of the network device via a management station running a Web browser. Each device in the cluster is identified by a unique Universal Resource Locator (“URL”). However, only the cluster commander is required to have an IP address. The cluster commander redirects and translates configuration and management requests from the Web browser on the management station so that requests are processed by the appropriate device in the cluster. The exchange of information between the Web browser on the management station and the devices in a cluster is accomplished via redirection of HTTP GET and POST methods. This provides a consistent, device-independent interface between the device and the Web browser on the management station.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: May 17, 2005
    Assignee: Cisco Technology, Inc.
    Inventors: Charles Slater, Krishna Rao Chennapragada
  • Providing a stream of data to a browser to update properties on a page
    Patent number: 6701368
    Abstract: A mechanism for supplying a stream of data to a browser is provided. The browser periodically refreshes a frame document, transmitting a request for the frame document to an HTTP server. When a network element receives a request from a browser for a frame document, it generates a new frame document, and supplies it to the browser. The new version of the frame document may include new definitions for functions, that, as redefined, reflect the current status of a network element. The updates may be retrieved by invoking functions.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: March 2, 2004
    Assignee: Cisco Technology, Inc.
    Inventors: Krishna Rao Chennapragada, Keith Waldorf
  • System for managing cluster of network switches using IP address for commander switch and redirecting a managing request via forwarding an HTTP connection to an expansion switch
    Patent number: 6654796
    Abstract: A group of network devices, such as Ethernet switches, are logically configured as a single cluster, with one commander device and one or more expansion devices. Each device in the cluster contains an embedded HTML server that facilitates configuration and management of the network device via a management station running a Web browser. Each device in the cluster is identified by a unique Universal Resource Locator (“URL”). However, only the cluster commander is required to have an IP address. The cluster commander redirects and translates configuration and management requests from the Web browser on the management station so that requests are processed by the appropriate device in the cluster. The exchange of information between the Web browser on the management station and the devices in a cluster is accomplished via redirection of HTTP GET and POST methods. This provides a consistent, device-independent interface between the device and the Web browser on the management station.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: November 25, 2003
    Assignee: Cisco Technology, Inc.
    Inventors: Charles Slater, Krishna Rao Chennapragada