Patents by Inventor Somesh Chaturmohta

Somesh Chaturmohta 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).

  • Publication number: 20240163205
    Abstract: Failover functionality is by identifying at least two network paths for a media communications session between a virtual machine at a computing environment and a client application. Unique Internet Protocol (IP) addresses are assigned for the at least two network paths. Based on application and network metrics at the computing environment, a network condition at the computing environment is determined that is indicative of a performance degradation of the media communications session. A signal is communicated to the client service indicating a switch to a second path of the at least two network paths and a second of the unique IP addresses.
    Type: Application
    Filed: January 25, 2024
    Publication date: May 16, 2024
    Inventors: Irena ATOV, Somesh CHATURMOHTA, Rui LIANG
  • Patent number: 11924089
    Abstract: Failover functionality is by identifying at least two network paths for a media communications session between a virtual machine at a computing environment and a client application. Unique Internet Protocol (IP) addresses are assigned for the at least two network paths. Based on application and network metrics at the computing environment, a network condition at the computing environment is determined that is indicative of a performance degradation of the media communications session. A signal is communicated to the client service indicating a switch to a second path of the at least two network paths and a second of the unique IP addresses.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: March 5, 2024
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Irena Atov, Somesh Chaturmohta, Rui Liang
  • Patent number: 11907749
    Abstract: Techniques are disclosed for implementing direct memory access in a virtualized computing environment. A memory access policy of the virtualized computing environment is applied to a direct memory access connection request received from a first virtual machine via an exception path. The request is flagged to indicate that the request has been processed and the request is forwarded to a network interface device configured to execute offloaded network functions for one or more virtual machines. A memory access policy of the virtualized computing environment is applied to a direct memory access connection reply received from a second virtual machine on the exception path. The reply is flagged to indicate that the reply has been processed and the reply is forwarded to the network interface device. A direct memory access connection is established between first and second virtual machines in accordance with the request.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: February 20, 2024
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Alec Kochevar-Cureton, Somesh Chaturmohta, Norman C. Lam, Sambhrama Madhusudhan Mundkur, Daniel M. Firestone
  • Publication number: 20240039851
    Abstract: The present application relates to a system for ingress traffic management. The system includes a collection system within a network configured to collect traffic arrival information for peering links of the network. The system includes a training system configured to train a model based on the traffic arrival information to predict a probability of a traffic flow arriving on a peering link. The system includes a congestion mitigation system configured to predict based on the model, for traffic flows arriving on one or more peering links, other peering links to which the traffic flows would be shifted due to a condition affecting the one or more peering links. The congestion mitigation system may determine, in response to the condition, a set of prefixes to withdraw based on the other peering links to which traffic would be shifted.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 1, 2024
    Inventors: Rodrigo FONSECA, Sharad AGARWAL, Ryan Andrew BECKETT, Michael MARKOVITCH, Somesh CHATURMOHTA, Chuanji ZHANG, Irena ATOV
  • Publication number: 20230246953
    Abstract: Failover functionality is by identifying at least two network paths for a media communications session between a virtual machine at a computing environment and a client application. Unique Internet Protocol (IP) addresses are assigned for the at least two network paths. Based on application and network metrics at the computing environment, a network condition at the computing environment is determined that is indicative of a performance degradation of the media communications session. A signal is communicated to the client service indicating a switch to a second path of the at least two network paths and a second of the unique IP addresses.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 3, 2023
    Inventors: Irena ATOV, Somesh CHATURMOHTA, Rui LIANG
  • Publication number: 20220276891
    Abstract: Techniques are disclosed for implementing direct memory access in a virtualized computing environment. A memory access policy of the virtualized computing environment is applied to a direct memory access connection request received from a first virtual machine via an exception path. The request is flagged to indicate that the request has been processed and the request is forwarded to a network interface device configured to execute offloaded network functions for one or more virtual machines. A memory access policy of the virtualized computing environment is applied to a direct memory access connection reply received from a second virtual machine on the exception path. The reply is flagged to indicate that the reply has been processed and the reply is forwarded to the network interface device. A direct memory access connection is established between first and second virtual machines in accordance with the request.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventors: Alec KOCHEVAR-CURETON, Somesh CHATURMOHTA, Norman C. LAM, Sambhrama Madhusudhan MUNDKUR, Daniel M. FIRESTONE
  • Patent number: 11418429
    Abstract: A route anomaly detection and remediation system analyzes a prefix for each route received to validate the route. A route monitoring component provides a centralized querying system for all routers from all devices to study routing history. A route collection component receives and stores all routes from multiple routers at a server. A set of microservice analysis components performs prefix analysis on each received route. Each microservice analysis component analyzes one or more portions of the prefix for each route to detect hijacked routes, leaked routes, withdrawn routes and/or other unhealthy routes before the routes are utilized for routing traffic on the network. The analysis performs new prefix validation and identifies healthy routes. Alerts identifying invalid routes are transmitted to an incident management system. Healthy routes are approved for usage by routers on the network to prevent network outages while improving network reliability, availability and stability.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 16, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Somesh Chaturmohta, Gary R. Ratterree, Alireza Khoshgoftarmonfared, Venkata Praneeth Naidu Sanapathi, Gaurav Thareja, Mark A. Kasten, Scott W. Hanberg
  • Patent number: 11360800
    Abstract: Techniques are disclosed for implementing direct memory access in a virtualized computing environment. A memory access policy of the virtualized computing environment is applied to a direct memory access connection request received from a first virtual machine via an exception path. The request is flagged to indicate that the request has been processed and the request is forwarded to a network interface device configured to execute offloaded network functions for one or more virtual machines. A memory access policy of the virtualized computing environment is applied to a direct memory access connection reply received from a second virtual machine on the exception path. The reply is flagged to indicate that the reply has been processed and the reply is forwarded to the network interface device. A direct memory access connection is established between first and second virtual machines in accordance with the request.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: June 14, 2022
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Alec Kochevar-Cureton, Somesh Chaturmohta, Norman C. Lam, Sambhrama Madhusudhan Mundkur, Daniel M. Firestone
  • Publication number: 20210135982
    Abstract: A route anomaly detection and remediation system analyzes a prefix for each route received to validate the route. A route monitoring component provides a centralized querying system for all routers from all devices to study routing history. A route collection component receives and stores all routes from multiple routers at a server. A set of microservice analysis components performs prefix analysis on each received route. Each microservice analysis component analyzes one or more portions of the prefix for each route to detect hijacked routes, leaked routes, withdrawn routes and/or other unhealthy routes before the routes are utilized for routing traffic on the network. The analysis performs new prefix validation and identifies healthy routes. Alerts identifying invalid routes are transmitted to an incident management system. Healthy routes are approved for usage by routers on the network to prevent network outages while improving network reliability, availability and stability.
    Type: Application
    Filed: March 25, 2020
    Publication date: May 6, 2021
    Inventors: Somesh CHATURMOHTA, Gary R. RATTERREE, Alireza KHOSHGOFTARMONFARED, Venkata Praneeth Naidu SANAPATHI, Gaurav THAREJA, Mark A. KASTEN, Scott W. HANBERG
  • Patent number: 10949379
    Abstract: Distributed computing systems, devices, and associated methods of packet routing are disclosed herein. In one embodiment, a method includes receiving, from a computing network, a packet at a packet processor of a server. The method also includes matching the received packet with a flow in a flow table contained in the packet processor and determining whether the action indicates that the received packet is to be forwarded to a NIC buffer in the outbound processing path of the packet processor instead of the NIC. The method further includes in response to determining that the action indicates that the received packet is to be forwarded to the NIC buffer, forwarding the received packet to the NIC buffer and processing the packet in the NIC buffer to forward the packet to the computer network without exposing the packet to the main processor.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: March 16, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sambhrama Mundkur, Fengfen Liu, Norman Lam, Andrew Putnam, Somesh Chaturmohta, Daniel Firestone, Alec Kochevar-Cureton
  • Publication number: 20210034406
    Abstract: Techniques are disclosed for implementing direct memory access in a virtualized computing environment. A memory access policy of the virtualized computing environment is applied to a direct memory access connection request received from a first virtual machine via an exception path. The request is flagged to indicate that the request has been processed and the request is forwarded to a network interface device configured to execute offloaded network functions for one or more virtual machines. A memory access policy of the virtualized computing environment is applied to a direct memory access connection reply received from a second virtual machine on the exception path. The reply is flagged to indicate that the reply has been processed and the reply is forwarded to the network interface device. A direct memory access connection is established between first and second virtual machines in accordance with the request.
    Type: Application
    Filed: October 5, 2020
    Publication date: February 4, 2021
    Inventors: Alec KOCHEVAR-CURETON, Somesh CHATURMOHTA, Norman C. LAM, Sambhrama Madhusudhan MUNDKUR, Daniel M. FIRESTONE
  • Patent number: 10831523
    Abstract: Techniques are disclosed for implementing direct memory access in a virtualized computing environment. A memory access policy of the virtualized computing environment is applied to a direct memory access connection request received from a first virtual machine via an exception path. The request is flagged to indicate that the request has been processed and the request is forwarded to a network interface device configured to execute offloaded network functions for one or more virtual machines. A memory access policy of the virtualized computing environment is applied to a direct memory access connection reply received from a second virtual machine on the exception path. The reply is flagged to indicate that the reply has been processed and the reply is forwarded to the network interface device. A direct memory access connection is established between first and second virtual machines in accordance with the request.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: November 10, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Alec Kochevar-Cureton, Somesh Chaturmohta, Norman C. Lam, Sambhrama Madhusudhan Mundkur, Daniel M. Firestone
  • Patent number: 10789199
    Abstract: Distributed computing systems, devices, and associated methods of packet routing are disclosed herein. In one embodiment, a computing device includes a field programmable gate array (“FPGA”) that includes an inbound processing path and outbound processing path in opposite processing directions. The inbound processing path can forward a packet received from the computer network to a buffer on the FPGA instead of the NIC. The outbound processing path includes an outbound multiplexer having a rate limiter circuit that only forwards the received packet from the buffer back to the computer network when a virtual port corresponding to the packet has sufficient transmission allowance. The outbound multiplexer can also periodically increment the transmission allowance based on a target bandwidth for the virtual port.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: September 29, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sambhrama Mundkur, Fengfen Liu, Norman Lam, Andrew Putnam, Somesh Chaturmohta, Daniel Firestone
  • Publication number: 20200265005
    Abstract: Distributed computing systems, devices, and associated methods of packet routing are disclosed herein. In one embodiment, a method includes receiving, from a computing network, a packet at a packet processor of a server. The method also includes matching the received packet with a flow in a flow table contained in the packet processor and determining whether the action indicates that the received packet is to be forwarded to a NIC buffer in the outbound processing path of the packet processor instead of the NIC. The method further includes in response to determining that the action indicates that the received packet is to be forwarded to the NIC buffer, forwarding the received packet to the NIC buffer and processing the packet in the NIC buffer to forward the packet to the computer network without exposing the packet to the main processor.
    Type: Application
    Filed: February 27, 2020
    Publication date: August 20, 2020
    Inventors: Sambhrama Mundkur, Fengfen Liu, Norman Lam, Andrew Putnam, Somesh Chaturmohta, Daniel Firestone, Alec Kochevar-Cureton
  • Publication number: 20200110626
    Abstract: Techniques are disclosed for implementing direct memory access in a virtualized computing environment. A memory access policy of the virtualized computing environment is applied to a direct memory access connection request received from a first virtual machine via an exception path. The request is flagged to indicate that the request has been processed and the request is forwarded to a network interface device configured to execute offloaded network functions for one or more virtual machines. A memory access policy of the virtualized computing environment is applied to a direct memory access connection reply received from a second virtual machine on the exception path. The reply is flagged to indicate that the reply has been processed and the reply is forwarded to the network interface device. A direct memory access connection is established between first and second virtual machines in accordance with the request.
    Type: Application
    Filed: October 8, 2018
    Publication date: April 9, 2020
    Inventors: Alec KOCHEVAR-CURETON, Somesh CHATURMOHTA, Norman C. LAM, Sambhrama Madhusudhan MUNDKUR, Daniel M. FIRESTONE
  • Patent number: 10614028
    Abstract: Distributed computing systems, devices, and associated methods of packet routing are disclosed herein. In one embodiment, a method includes receiving, from a computing network, a packet at a packet processor of a server. The method also includes matching the received packet with a flow in a flow table contained in the packet processor and determining whether the action indicates that the received packet is to be forwarded to a NIC buffer in the outbound processing path of the packet processor instead of the NIC. The method further includes in response to determining that the action indicates that the received packet is to be forwarded to the NIC buffer, forwarding the received packet to the NIC buffer and processing the packet in the NIC buffer to forward the packet to the computer network without exposing the packet to the main processor.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: April 7, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Sambhrama Mundkur, Fengfen Liu, Norman Lam, Andrew Putnam, Somesh Chaturmohta, Daniel Firestone
  • Patent number: 10437775
    Abstract: Distributed computing systems, devices, and associated methods of remote direct memory access (“RDMA”) packet routing are disclosed herein. In one embodiment, a server includes a main processor, a network interface card (“NIC”), and a field programmable gate array (“FPGA”) operatively coupled to the main processor via the NIC. The FPGA includes an inbound processing path having an inbound packet buffer configured to receive an inbound packet from the computer network, a NIC buffer, and a multiplexer between the inbound packet buffer and the NIC, and between the NIC buffer and the NIC. The FPGA also includes an outbound processing path having an outbound action circuit having an input to receive the outbound packet from the NIC, a first output to the computer network, and a second output to the NIC buffer in the inbound processing path.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: October 8, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Alec Kochevar-Cureton, Somesh Chaturmohta, Norman Lam, Sambhrama Mundkur, Daniel Firestone
  • Publication number: 20190079897
    Abstract: Distributed computing systems, devices, and associated methods of remote direct memory access (“RDMA”) packet routing are disclosed herein. In one embodiment, a server includes a main processor, a network interface card (“NIC”), and a field programmable gate array (“FPGA”) operatively coupled to the main processor via the NIC. The FPGA includes an inbound processing path having an inbound packet buffer configured to receive an inbound packet from the computer network, a NIC buffer, and a multiplexer between the inbound packet buffer and the NIC, and between the NIC buffer and the NIC. The FPGA also includes an outbound processing path having an outbound action circuit having an input to receive the outbound packet from the NIC, a first output to the computer network, and a second output to the NIC buffer in the inbound processing path.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 14, 2019
    Inventors: Alec Kochevar-Cureton, Somesh Chaturmohta, Norman Lam, Sambhrama Mundkur, Daniel Firestone
  • Publication number: 20190081891
    Abstract: Distributed computing systems, devices, and associated methods of packet routing are disclosed herein. In one embodiment, a method includes receiving, from a computing network, a packet at a packet processor of a server. The method also includes matching the received packet with a flow in a flow table contained in the packet processor and determining whether the action indicates that the received packet is to be forwarded to a NIC buffer in the outbound processing path of the packet processor instead of the NIC. The method further includes in response to determining that the action indicates that the received packet is to be forwarded to the NIC buffer, forwarding the received packet to the NIC buffer and processing the packet in the NIC buffer to forward the packet to the computer network without exposing the packet to the main processor.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 14, 2019
    Inventors: Sambhrama Mundkur, Fengfen Liu, Norman Lam, Andrew Putnam, Somesh Chaturmohta, Daniel Firestone
  • Publication number: 20190081899
    Abstract: Distributed computing systems, devices, and associated methods of packet routing are disclosed herein. In one embodiment, a computing device includes a field programmable gate array (“FPGA”) that includes an inbound processing path and outbound processing path in opposite processing directions. The inbound processing path can forward a packet received from the computer network to a buffer on the FPGA instead of the NIC. The outbound processing path includes an outbound multiplexer having a rate limiter circuit that only forwards the received packet from the buffer back to the computer network when a virtual port corresponding to the packet has sufficient transmission allowance. The outbound multiplexer can also periodically increment the transmission allowance based on a target bandwidth for the virtual port.
    Type: Application
    Filed: February 28, 2018
    Publication date: March 14, 2019
    Inventors: Sambhrama Mundkur, Fengfen Liu, Norman Lam, Andrew Putnam, Somesh Chaturmohta, Daniel Firestone