Patents by Inventor Anand Kumar Singh

Anand Kumar Singh 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).

  • Patent number: 10491508
    Abstract: Systems, methods, and computer-readable storage media for detecting network loops. A system can identify, for each virtual tunnel endpoint (VTEP) from multiple VTEPs in a network, respective media access control address data including the respective local interface media access control addresses of the respective VTEP and respective media access control addresses learned by the respective VTEP. The system can determine whether the VTEPs are running spanning tree protocol (STP), and whether a media access control address learned by a first VTEP matches a respective local interface media access control address of a second VTEP. The system can detect a loop when the media access control address learned by the first VTEP matches the respective local interface media access control address of the second VTEP. The system can also detect a loop when the VTEPs are running STP and the first and second VTEPs see the same STP root bridge.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: November 26, 2019
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Patent number: 10348677
    Abstract: Methods, systems, and products translate addresses in networks. A residential gateway translates requests for content such that the residential gateway appears as both a requestor and a destination for requested content, regardless of an actual requesting device or a desired output device.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: July 9, 2019
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Jayanta Das, Bhavin A. Doshi, Anand Kumar Singh, Saurabh Kumar
  • Publication number: 20190197132
    Abstract: A method and a system for location clustering for a transportation service are provided. A plurality of locations are clustered into a plurality of clusters, each having one or more locations of the plurality of locations. A graph is generated by connecting the plurality of clusters. A first cluster of the plurality of clusters is connected to one or more second clusters of the plurality of clusters that satisfy one or more threshold parameters. The graph is segmented into a plurality of fully-connected maximal sub-graphs based on one or more connections between the plurality of clusters. One or more fully-connected maximal sub-graphs of the plurality of fully-connected maximal sub-graphs have a set of common clusters. The plurality of fully-connected maximal sub-graphs are used for performing one or more transportation service operations of the transportation service.
    Type: Application
    Filed: March 8, 2018
    Publication date: June 27, 2019
    Inventors: Anand Sharma, Rajesh Kumar Singh, Shailesh Kumar, Kunal Sachdeva
  • Patent number: 10320838
    Abstract: Systems, methods, and computer-readable media for preventing man-in-the-middle attacks within network, without the need to maintain trusted/un-trusted port listings on each network device. The solutions disclosed herein leverage a host database which can be present on controllers, thereby providing a centralized database instead of a per-node DHCP binding database. Systems configured according to this disclosure (1) use a flood list only for ARP packets received from the controller 116; and (2) unicast ARP packets to the controller before communicating the packets to other VTEPs.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: June 11, 2019
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Venkatesh Srinivasan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey, Natarajan Manthiramoorthy, Swaminathan Narayanan
  • Publication number: 20190116125
    Abstract: Aspects of the present disclosure are directed to dynamically adjusting control plane policing throughput of low (or lower) priority control plane traffic to permit higher throughput. The drop rate for low or lower priority control plane traffic can be determined to be above a threshold value. The processor utilization can be determined to be operating under normal utilization (or at a utilization within a threshold utilization value). The control plane policing for control plane traffic for the low or lower class of service can be increased (or decreased) to permit lower class of service control traffic to be transmitted using higher class of service resources without adjusting the priority levels for the lower class of service control traffic.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 18, 2019
    Inventors: Anand Kumar Singh, Venkatesh Srinivasan, Swaminathan Narayanan, Anulekha Chodey, Ambrish Niranjan Mehta, Natarajan Manthiramoorthy
  • Publication number: 20190036809
    Abstract: Systems, methods, and non-transitory computer-readable storage media for detecting network loops. In some embodiments, a system can identify a port that is in a blocking state. The blocking state can be for dropping one or more types of packets and preventing the port from forwarding the one or more types of packets. The system can determine a number of packets transmitted through the port by a hardware layer on the system and a number of control packets transmitted through the port by a software layer on the system. The system can determine whether the number of packets is greater than the number of control packets. When the number of packets is greater than the number of control packets, the system can determine that the blocking state has failed to prevent the port from forwarding the one or more types of packets.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 31, 2019
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Publication number: 20190020575
    Abstract: Systems, methods, and computer-readable storage media for detecting network loops. A system can identify, for each virtual tunnel endpoint (VTEP) from multiple VTEPs in a network, respective media access control address data including the respective local interface media access control addresses of the respective VTEP and respective media access control addresses learned by the respective VTEP. The system can determine whether the VTEPs are running spanning tree protocol (STP), and whether a media access control address learned by a first VTEP matches a respective local interface media access control address of a second VTEP. The system can detect a loop when the media access control address learned by the first VTEP matches the respective local interface media access control address of the second VTEP. The system can also detect a loop when the VTEPs are running STP and the first and second VTEPs see the same STP root bridge.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 17, 2019
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Patent number: 10153977
    Abstract: Aspects of the present disclosure are directed to dynamically adjusting control plane policing throughput of low (or lower) priority control plane traffic to permit higher throughput. The drop rate for low or lower priority control plane traffic can be determined to be above a threshold value. The processor utilization can be determined to be operating under normal utilization (or at a utilization within a threshold utilization value). The control plane policing for control plane traffic for the low or lower class of service can be increased (or decreased) to permit lower class of service control traffic to be transmitted using higher class of service resources without adjusting the priority levels for the lower class of service control traffic.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: December 11, 2018
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Anand Kumar Singh, Venkatesh Srinivasan, Swaminathan Narayanan, Anulekha Chodey, Ambrish Niranjan Mehta, Natarajan Manthiramoorthy
  • Patent number: 10110469
    Abstract: Systems, methods, and non-transitory computer-readable storage media for detecting network loops. In some embodiments, a system can identify a port that is in a blocking state. The blocking state can be for dropping one or more types of packets and preventing the port from forwarding the one or more types of packets. The system can determine a number of packets transmitted through the port by a hardware layer on the system and a number of control packets transmitted through the port by a software layer on the system. The system can determine whether the number of packets is greater than the number of control packets. When the number of packets is greater than the number of control packets, the system can determine that the blocking state has failed to prevent the port from forwarding the one or more types of packets.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: October 23, 2018
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Patent number: 10079752
    Abstract: Systems, methods, and computer-readable storage media for detecting network loops. A system can identify, for each virtual tunnel endpoint (VTEP) from multiple VTEPs in a network, respective media access control address data including the respective local interface media access control addresses of the respective VTEP and respective media access control addresses learned by the respective VTEP. The system can determine whether the VTEPs are running spanning tree protocol (STP), and whether a media access control address learned by a first VTEP matches a respective local interface media access control address of a second VTEP. The system can detect a loop when the media access control address learned by the first VTEP matches the respective local interface media access control address of the second VTEP. The system can also detect a loop when the VTEPs are running STP and the first and second VTEPs see the same STP root bridge.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: September 18, 2018
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Publication number: 20180070311
    Abstract: A system of saving battery power in a battery powered Wi-Fi device. The system includes a battery powered Wi-Fi device configured to transmit a customized beacon frame from the battery powered Wi-Fi device to a Wi-Fi enabled device. The customized beacon frame includes battery status information. In another form, a method of saving battery power in a battery powered Wi-Fi device. The method includes transmitting a customized beacon frame from the battery powered Wi-Fi device to a Wi-Fi enabled device. The customized beacon frame includes battery status information. In another form, a system for saving sensor battery power includes a battery powered sensor configured to transmit a customized beacon frame from the battery powered sensor to a Wi-Fi enabled device. The customized beacon frame includes sensor data. Customized beacon frame may be sent from the Wi-Fi enabled device to a wireless network.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 8, 2018
    Inventors: Anand Kumar Singh, Antony Baskar Arul
  • Publication number: 20180026810
    Abstract: Systems, methods, and non-transitory computer-readable storage media for detecting network loops. In some embodiments, a system can identify a network path having multiple hops associated with respective nodes which are configured in a forwarding mode. The system can traverse the network path to identify, for each node from the respective nodes, a respective next hop. Based on the respective next hop for each node, the system can determine whether two or more nodes from the respective nodes have a same respective next hop. When the two or more nodes have the same respective next hop, the system can determine that the network path has a network loop.
    Type: Application
    Filed: August 9, 2016
    Publication date: January 25, 2018
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Publication number: 20180027012
    Abstract: Systems, methods, and computer-readable media for preventing man-in-the-middle attacks within network, without the need to maintain trusted/un-trusted port listings on each network device. The solutions disclosed herein leverage a host database which can be present on controllers, thereby providing a centralized database instead of a per-node DHCP binding database. Systems configured according to this disclosure (1) use a flood list only for ARP packets received from the controller 116; and (2) unicast ARP packets to the controller before communicating the packets to other VTEPs.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 25, 2018
    Inventors: Venkatesh Srinivasan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey, Natarajan Manthiramoorthy, Swaminathan Narayanan
  • Publication number: 20180026872
    Abstract: Systems, methods, and computer-readable storage media for detecting network loops. A system can identify, for each virtual tunnel endpoint (VTEP) from multiple VTEPs in a network, respective media access control address data including the respective local interface media access control addresses of the respective VTEP and respective media access control addresses learned by the respective VTEP. The system can determine whether the VTEPs are running spanning tree protocol (STP), and whether a media access control address learned by a first VTEP matches a respective local interface media access control address of a second VTEP. The system can detect a loop when the media access control address learned by the first VTEP matches the respective local interface media access control address of the second VTEP. The system can also detect a loop when the VTEPs are running STP and the first and second VTEPs see the same STP root bridge.
    Type: Application
    Filed: August 9, 2016
    Publication date: January 25, 2018
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Publication number: 20180026871
    Abstract: Systems, methods, and non-transitory computer-readable storage media for detecting network loops. In some embodiments, a system can identify a port that is in a blocking state. The blocking state can be for dropping one or more types of packets and preventing the port from forwarding the one or more types of packets. The system can determine a number of packets transmitted through the port by a hardware layer on the system and a number of control packets transmitted through the port by a software layer on the system. The system can determine whether the number of packets is greater than the number of control packets. When the number of packets is greater than the number of control packets, the system can determine that the blocking state has failed to prevent the port from forwarding the one or more types of packets.
    Type: Application
    Filed: July 21, 2016
    Publication date: January 25, 2018
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Ambrish Niranjan Mehta, Anand Kumar Singh, Anulekha Chodey
  • Patent number: 9870219
    Abstract: Mechanisms for switch upgrades using remote containers. An example system can export, to a server, a state of software processes associated with a first software container at the system. The system can generate a lightweight software container configured to forward traffic associated with the first software container to a second software container at the server, generated based on the state. The system can perform a switchover between the first software container and lightweight software container. The switchover can enable the lightweight software container to forward, to the second container, traffic associated with the first software container. The system can generate a fourth software container based on a snapshot of the second software container, and perform another switchover between the lightweight software container and fourth software container.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: January 16, 2018
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Anand Kumar Singh, Ambrish Niranjan Mehta, Anulekha Chodey
  • Publication number: 20180011699
    Abstract: Mechanisms for switch upgrades using remote containers. An example system can export, to a server, a state of software processes associated with a first software container at the system. The system can generate a lightweight software container configured to forward traffic associated with the first software container to a second software container at the server, generated based on the state. The system can perform a switchover between the first software container and lightweight software container. The switchover can enable the lightweight software container to forward, to the second container, traffic associated with the first software container. The system can generate a fourth software container based on a snapshot of the second software container, and perform another switchover between the lightweight software container and fourth software container.
    Type: Application
    Filed: July 6, 2016
    Publication date: January 11, 2018
    Inventors: Natarajan Manthiramoorthy, Venkatesh Srinivasan, Swaminathan Narayanan, Anand Kumar Singh, Ambrish Niranjan Mehta, Anulekha Chodey
  • Publication number: 20170331747
    Abstract: Aspects of the present disclosure are directed to dynamically adjusting control plane policing throughput of low (or lower) priority control plane traffic to permit higher throughput. The drop rate for low or lower priority control plane traffic can be determined to be above a threshold value. The processor utilization can be determined to be operating under normal utilization (or at a utilization within a threshold utilization value). The control plane policing for control plane traffic for the low or lower class of service can be increased (or decreased) to permit lower class of service control traffic to be transmitted using higher class of service resources without adjusting the priority levels for the lower class of service control traffic.
    Type: Application
    Filed: May 12, 2016
    Publication date: November 16, 2017
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Anand Kumar Singh, Venkatesh Srinivasan, Swaminathan Narayanan, Anulekha Chodey, Ambrish Niranjan Mehta, Natarajan Manthiramoorthy
  • Publication number: 20170085524
    Abstract: Methods, systems, and products translate addresses in networks. A residential gateway translates requests for content such that the residential gateway appears as both a requestor and a destination for requested content, regardless of an actual requesting device or a desired output device.
    Type: Application
    Filed: November 11, 2016
    Publication date: March 23, 2017
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Jayanta Das, Bhavin A. Doshi, Anand Kumar Singh, Saurabh Kumar
  • Patent number: 9521111
    Abstract: Methods, systems, and products translate addresses in residential networks. A residential gateway translates requests for content such that the residential gateway appears as both a requestor and a destination for requested content, regardless of an actual requesting device or a desired output device.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: December 13, 2016
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Jayanta Das, Bhavin A. Doshi, Anand Kumar Singh, Saurabh Kumar