Patents by Inventor Manpreet S. Sandhu

Manpreet S. Sandhu 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).

  • Convergence of multicast traffic
    Patent number: 7856019
    Abstract: A multicast data packet sent from a source node is received by a transit node. The multicast data packet includes a source address and a multicast group address. A hardware cache miss is detected at the transit node for the multicast data packet. The multicast data packet is hardware-flooded onto ports of the network. The flooding consists of forwarding a copy of the multicast data packet to neighbor nodes of the transit node based on virtual local area network (VLAN) membership. A cache-miss copy of the multicast data packet is sent to an out-of-line processing unit where it is processed in software. The processing includes establishing, via a hardware abstraction layer, a hardware cache entry for the multicast data packet. The cache-miss copy is not forwarded onto the network.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: December 21, 2010
    Assignee: Extreme Networks, Inc.
    Inventors: Sunil P. Shah, Arnel Lim, Donald B. Grosser, Jim Pan, Kesavan Thiruvenkatasamy, Ki-Hong Park, Manpreet S. Sandhu, Prakash Kashyap
  • CONVERGENCE OF MULTICAST TRAFFIC
    Publication number: 20100054246
    Abstract: A multicast data packet sent from a source node is received by a transit node. The multicast data packet includes a source address and a multicast group address. A hardware cache miss is detected at the transit node for the multicast data packet. The multicast data packet is hardware-flooded onto ports of the network. The flooding consists of forwarding a copy of the multicast data packet to neighbor nodes of the transit node based on virtual local area network (VLAN) membership. A cache-miss copy of the multicast data packet is sent to an out-of-line processing unit where it is processed in software. The processing includes establishing, via a hardware abstraction layer, a hardware cache entry for the multicast data packet. The cache-miss copy is not forwarded onto the network.
    Type: Application
    Filed: September 5, 2008
    Publication date: March 4, 2010
    Applicant: Extreme Networks, Inc.
    Inventors: Sunil P. Shah, Arnel Lim, Donald B. Grosser, Jim Pan, Kesavan Thiruvenkatasamy, Ki-Hong Park, Manpreet S. Sandhu, Prakash Kashyap