Patents by Inventor Sumit Mukhopadhyay

Sumit Mukhopadhyay 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).

  • Methods and apparatus providing VPN traffic matrix construction
    Patent number: 7839847
    Abstract: A system receives a packet at a router, and pushes a label onto a label stack. The label stack is associated with the packet. The system provides a forwarding record containing label bindings for the router, and transmits the forwarding record to a collector. A system receives a forwarding record from a router. The system compares a first record entry type of the forwarding record with a second record entry type of the forwarding record to determine the traffic flow in the network. The system then maps the traffic flow in the network, based on a result of the comparing.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: November 23, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Thomas D. Nadeau, Sumit Mukhopadhyay, Stephen Paul Elias, Adrien Michael Grise
  • Interconnectivity between autonomous systems
    Patent number: 7742477
    Abstract: A method, apparatus and computer program product each provides interconnectivity between autonomous systems. A control plane and a data plane are included in a network device. A single interface is included in the control plane for all customers. An interface is included in the data plane for each respective one of the customers.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: June 22, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: James N. Guichard, Robert Hanzl, Mohammed Sayeed, Sumit Mukhopadhyay
  • Methods and apparatus providing VPN traffic matrix construction
    Publication number: 20070258372
    Abstract: A system receives a packet at a router, and pushes a label onto a label stack. The label stack is associated with the packet. The system provides a forwarding record containing label bindings for the router, and transmits the forwarding record to a collector. A system receives a forwarding record from a router. The system compares a first record entry type of the forwarding record with a second record entry type of the forwarding record to determine the traffic flow in the network. The system then maps the traffic flow in the network, based on a result of the comparing.
    Type: Application
    Filed: May 8, 2006
    Publication date: November 8, 2007
    Inventors: Thomas Nadeau, Sumit Mukhopadhyay, Stephen Elias, Adrien Grise