Patents by Inventor Thayumanavan Sridhar

Thayumanavan Sridhar 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: 9602305
    Abstract: The disclosure herein describes a virtual extensible local area network (VXLAN) gateway. During operation, the VXLAN gateway receives, from a physical host, an Ethernet packet destined for a virtual machine residing in a remote layer-2 network broadcast domain that is different from a local layer-2 network broadcast domain where the physical host resides. The VXLAN gateway then determines a VXLAN identifier for the received Ethernet packet. The VXLAN gateway further encapsulates the Ethernet packet with the virtual extensible local area network identifier and an Internet Protocol (IP) header, and forwards the encapsulated packet to an IP network, thereby allowing the packet to be transported to the virtual machine via the IP network and allowing the remote layer-2 network broadcast domain and the local layer-2 network broadcast domain to be part of a common layer-2 broadcast domain.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 21, 2017
    Assignee: NICIRA, INC.
    Inventors: Thayumanavan Sridhar, Margaret Petrus, Mallik Mahalingam
  • Publication number: 20170054603
    Abstract: Hardware management systems for disaggregated rack architectures in virtual server rack deployments are disclosed herein. An example apparatus to manage disaggregated physical hardware resources in a physical rack includes a hardware management system to discover disaggregated physical hardware resources in the physical rack and generate a listing of the disaggregated physical hardware resources, and a physical resource manager to generate a composed resource based on resources from the listing of the disaggregated physical hardware resources, the hardware management system to manage the composed resource.
    Type: Application
    Filed: June 30, 2016
    Publication date: February 23, 2017
    Inventors: Rahul Kulkarni, Vishnu Mohan Sekhar, Mukund Gunti, Raj Yavatkar, Donald Newell, Thayumanavan Sridhar
  • Patent number: 9509602
    Abstract: A LAN includes a CORE switch, some number of TOR switches, each linked to the CORE switch, and each of the TOR switches are linked directly to some number of host devices. Each of the switches in the LAN operate to process and transmit data frames they receive from neighboring LAN devices. Each TOR switch in the LAN builds and maintains a layer-2 forwarding table that is comprised of MAC address information learned from frames they receive from neighboring LAN devices. Selected ports/VLAN s on some or all of the TOR devices are designated to be CORE/switch facing ports (CFP) or host facing ports (HFP). Each of the CFPs are configured to only learn the MAC address in unicast frames it receives and each of the HFPs can be configured to learn the MAC address of both unicast and multicast data frames provided the destination MAC address included in the unicast frame is known.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: November 29, 2016
    Assignee: Dell Products L.P.
    Inventors: Janardhanan P. Narasimhan, Krishnamurthy Subramanian, Thayumanavan Sridhar
  • Publication number: 20160226678
    Abstract: The disclosure herein describes a virtual extensible local area network (VXLAN) gateway. During operation, the VXLAN gateway receives, from a physical host, an Ethernet packet destined for a virtual machine residing in a remote layer-2 network broadcast domain that is different from a local layer-2 network broadcast domain where the physical host resides. The VXLAN gateway then determines a VXLAN identifier for the received Ethernet packet. The VXLAN gateway further encapsulates the Ethernet packet with the virtual extensible local area network identifier and an Internet Protocol (IP) header, and forwards the encapsulated packet to an IP network, thereby allowing the packet to be transported to the virtual machine via the IP network and allowing the remote layer-2 network broadcast domain and the local layer-2 network broadcast domain to be part of a common layer-2 broadcast domain.
    Type: Application
    Filed: December 7, 2015
    Publication date: August 4, 2016
    Inventors: Thayumanavan Sridhar, Margaret Petrus, Mallik Mahalingam
  • Patent number: 9210079
    Abstract: The disclosure herein describes a virtual extensible local area network (VXLAN) gateway. During operation, the VXLAN gateway receives, from a physical host, an Ethernet packet destined for a virtual machine residing in a remote layer-2 network broadcast domain that is different from a local layer-2 network broadcast domain where the physical host resides. The VXLAN gateway then determines a VXLAN identifier for the received Ethernet packet. The VXLAN gateway further encapsulates the Ethernet packet with the virtual extensible local area network identifier and an Internet Protocol (IP) header, and forwards the encapsulated packet to an IP network, thereby allowing the packet to be transported to the virtual machine via the IP network and allowing the remote layer-2 network broadcast domain and the local layer-2 network broadcast domain to be part of a common layer-2 broadcast domain.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: December 8, 2015
    Assignee: VMWARE, INC.
    Inventors: Thayumanavan Sridhar, Margaret Petrus, Mallik Mahalingam
  • Publication number: 20140226666
    Abstract: A LAN includes a CORE switch, some number of TOR switches, each linked to the CORE switch, and each of the TOR switches are linked directly to some number of host devices. Each of the switches in the LAN operate to process and transmit data frames they receive from neighboring LAN devices. Each TOR switch in the LAN builds and maintains a layer-2 forwarding table that is comprised of MAC address information learned from frames they receive from neighboring LAN devices. Selected ports/VLAN s on some or all of the TOR devices are designated to be CORE/switch facing ports (CFP) or host facing ports (HFP). Each of the CFPs are configured to only learn the MAC address in unicast frames it receives and each of the HFPs can be configured to learn the MAC address of both unicast and multicast data frames provided the destination MAC address included in the unicast frame is known.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 14, 2014
    Inventors: Janardhanan P. Narasimhan, Krishnamurthy Subramanian, Thayumanavan Sridhar
  • Patent number: 8681661
    Abstract: A LAN includes a CORE switch linked to some number of TOR switches, and each of the TOR switches are linked directly to some number of host devices. Each of the switches in the LAN operate to process and transmit data frames they receive from neighboring LAN devices. Each TOR switch in the LAN builds and maintains a layer-2 forwarding table that is comprised of MAC address information learned from frames they receive from neighboring LAN devices. Selected ports/VLANs on some or all of the TOR devices are designated to be CORE/switch facing ports (CFP) or host facing ports (HFP). Each of the CFPs are configured to only learn the MAC address in unicast frames it receives and each of the HFPs can be configured to learn the MAC address of both unicast and multicast data frames provided the destination MAC address included in the unicast frame is known.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: March 25, 2014
    Assignee: Force10 Networks, Inc.
    Inventors: Janardhanan P. Narasimhan, Krishnamurthy Subramanian, Thayumanavan Sridhar
  • Publication number: 20130039218
    Abstract: A LAN includes a CORE switch linked to some number of TOR switches, and each of the TOR switches are linked directly to some number of host devices. Each of the switches in the LAN operate to process and transmit data frames they receive from neighboring LAN devices. Each TOR switch in the LAN builds and maintains a layer-2 forwarding table that is comprised of MAC address information learned from frames they receive from neighboring LAN devices. Selected ports/VLANs on some or all of the TOR devices are designated to be CORE/switch facing ports (CFP) or host facing ports (HFP). Each of the CFPs are configured to only learn the MAC address in unicast frames it receives and each of the HFPs can be configured to learn the MAC address of both unicast and multicast data frames provided the destination MAC address included in the unicast frame is known.
    Type: Application
    Filed: October 25, 2011
    Publication date: February 14, 2013
    Applicant: Force 10 Networks
    Inventors: JANARHANAN P. NARASIMHAN, Krishnamurthy Subramanian, Thayumanavan Sridhar