Patents by Inventor Narendra Jayawant Gathoo
Narendra Jayawant Gathoo 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).
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Publication number: 20230208748Abstract: Techniques for detecting path failures and reducing packet loss as a result of such failures are described for use within a data center or other environment. For example, a source and/or destination access node may create and/or maintain information about health and/or connectivity for a plurality of ports or paths between the source and destination device and core switches. The source access node may spray packets over a number of paths between the source access node and the destination access node. The source access node may use the information about connectivity for the paths between the source or destination access nodes and the core switches to limit the paths over which packets are sprayed. The source access node may spray packets over paths between the source access node and the destination access node that are identified as healthy, while avoiding paths that have been identified as failed.Type: ApplicationFiled: February 27, 2023Publication date: June 29, 2023Inventors: Deepak Goel, Pradeep Sindhu, Ayaskant Pani, Srihari Raju Vegesna, Narendra Jayawant Gathoo, John David Huber, Rohit Sunkam Ramanujam, Saurin Patel
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Patent number: 11601359Abstract: Techniques for detecting path failures and reducing packet loss as a result of such failures are described for use within a data center or other environment. For example, a source and/or destination access node may create and/or maintain information about health and/or connectivity for a plurality of ports or paths between the source and destination device and core switches. The source access node may spray packets over a number of paths between the source access node and the destination access node. The source access node may use the information about connectivity for the paths between the source or destination access nodes and the core switches to limit the paths over which packets are sprayed. The source access node may spray packets over paths between the source access node and the destination access node that are identified as healthy, while avoiding paths that have been identified as failed.Type: GrantFiled: March 29, 2021Date of Patent: March 7, 2023Assignee: FUNGIBLE, INC.Inventors: Deepak Goel, Pradeep Sindhu, Ayaskant Pani, Srihari Raju Vegesna, Narendra Jayawant Gathoo, John David Huber, Rohit Sunkam Ramanujam, Saurin Patel
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Patent number: 11412076Abstract: Network access node virtual fabrics configured dynamically over an underlay network are described. A centralized controller, such as a software-defined networking (SDN) controller, of a packet switched network is configured to establish one or more virtual fabrics as overlay networks on top of the physical underlay network of the packet switched network. For example, the SDN controller may define multiple sets of two of more access nodes connected to the packet switched network, and the access nodes of a given one of the sets may use a new data transmission protocol, referred to generally herein as a fabric control protocol (FCP), to dynamically setup tunnels as a virtual fabric over the packet switched network. The FCP tunnels may include all or a subset of the parallel data paths through the packet switched network between the access nodes for a given virtual fabric.Type: GrantFiled: January 21, 2021Date of Patent: August 9, 2022Assignee: FUNGIBLE, INC.Inventors: Deepak Goel, Narendra Jayawant Gathoo, Philip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Publication number: 20220103661Abstract: A fabric control protocol is described for use within a data center in which a switch fabric provides full mesh interconnectivity such that any of the servers may communicate packet data for a given packet flow to any other of the servers using any of a number of parallel data paths within the data center switch fabric. The fabric control protocol enables spraying of individual packets for a given packet flow across some or all of the multiple parallel data paths in the data center switch fabric and, optionally, reordering of the packets for delivery to the destination. The fabric control protocol may provide end-to-end bandwidth scaling and flow fairness within a single tunnel based on endpoint-controlled requests and grants for flows. In some examples, the fabric control protocol packet structure is carried over an underlying protocol, such as the User Datagram Protocol (UDP).Type: ApplicationFiled: November 12, 2021Publication date: March 31, 2022Inventors: Deepak Goel, Narendra Jayawant Gathoo, Philip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Patent number: 11178262Abstract: A fabric control protocol is described for use within a data center in which a switch fabric provides full mesh interconnectivity such that any of the servers may communicate packet data for a given packet flow to any other of the servers using any of a number of parallel data paths within the data center switch fabric. The fabric control protocol enables spraying of individual packets for a given packet flow across some or all of the multiple parallel data paths in the data center switch fabric and, optionally, reordering of the packets for delivery to the destination. The fabric control protocol may provide end-to-end bandwidth scaling and flow fairness within a single tunnel based on endpoint-controlled requests and grants for flows. In some examples, the fabric control protocol packet structure is carried over an underlying protocol, such as the User Datagram Protocol (UDP).Type: GrantFiled: September 28, 2018Date of Patent: November 16, 2021Assignee: Fungible, Inc.Inventors: Deepak Goel, Narendra Jayawant Gathoo, Phillip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Publication number: 20210320820Abstract: A fabric control protocol (FCP) and packet forwarding mechanisms are described that maximize utilization of bandwidth within massive, large-scale data centers having multi-stage data center switch fabric topologies, such as topologies that include a third switching layer formed by super spine switches. Automatic generation of data plane forwarding information referred to as FCP path information enumerates, for each data processing unit (DPU), the available FCP paths. The FCP path information may be based on unique combinations of peak points of the switch fabric for a given DPU with FCP colors assigned to network links that are used to multi-home the DPU to the switch fabric.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Inventors: Yixing Ruan, Deepak Goel, Narendra Jayawant Gathoo, Philip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Publication number: 20210297350Abstract: A fabric control protocol (FCP) is a data transmission protocol that enables spraying of individual packets for a given packet flow across a data center from an ingress interface of the source data processing unit (DPU) across a plurality of parallel data paths of a logical tunnel in the network fabric to the egress interface of the destination DPU. The FCP has congestion control mechanisms used to determine a degree of congestion at the egress interface of the destination DPU and to modify a send window size at the source DPU based on the degree of congestion. Reliable FCP (rFCP) extensions provide reliability enhancements and improved failure resilience within the data center. The rFCP extensions provide an unsolicited mode for low latency operation with enhanced reliability mechanisms. The rFCP extensions provide failure resilience mechanisms to identify and avoid failed paths among multiple parallel data paths within the logical tunnel.Type: ApplicationFiled: June 9, 2021Publication date: September 23, 2021Inventors: Srihari Raju Vegesna, Narendra Jayawant Gathoo, Pradeep Sindhu, Jean-Marc Frailong, Gopesh Goyal, Suresh Vemula, John David Huber
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Publication number: 20210297343Abstract: A fabric control protocol (FCP) is a data transmission protocol that enables spraying of individual packets for a given packet flow across a data center from an ingress interface of the source data processing unit (DPU) across a plurality of parallel data paths of a logical tunnel in the network fabric to the egress interface of the destination DPU. The FCP has congestion control mechanisms used to determine a degree of congestion at the egress interface of the destination DPU and to modify a send window size at the source DPU based on the degree of congestion. Reliable FCP (rFCP) extensions provide reliability enhancements and improved failure resilience within the data center. The rFCP extensions provide an unsolicited mode for low latency operation with enhanced reliability mechanisms. The rFCP extensions provide failure resilience mechanisms to identify and avoid failed paths among multiple parallel data paths within the logical tunnel.Type: ApplicationFiled: June 10, 2021Publication date: September 23, 2021Inventors: Srihari Raju Vegesna, Narendra Jayawant Gathoo, Pradeep Sindhu, Jean-Marc Frailong, Gopesh Goyal, Suresh Vemula, John David Huber, Chetan Ambalal Shah
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Publication number: 20210297351Abstract: A fabric control protocol (FCP) is a data transmission protocol that enables spraying of individual packets for a given packet flow across a data center from an ingress interface of the source data processing unit (DPU) across a plurality of parallel data paths of a logical tunnel in the network fabric to the egress interface of the destination DPU. The FCP has congestion control mechanisms used to determine a degree of congestion at the egress interface of the destination DPU and to modify a send window size at the source DPU based on the degree of congestion. Reliable FCP (rFCP) extensions provide reliability enhancements and improved failure resilience within the data center. The rFCP extensions provide an unsolicited mode for low latency operation with enhanced reliability mechanisms. The rFCP extensions provide failure resilience mechanisms to identify and avoid failed paths among multiple parallel data paths within the logical tunnel.Type: ApplicationFiled: June 10, 2021Publication date: September 23, 2021Inventors: Srihari Raju Vegesna, Narendra Jayawant Gathoo, Pradeep Sindhu, Jean-Marc Frailong, Gopesh Goyal, Suresh Vemula, John David Huber
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Publication number: 20210218665Abstract: Techniques for detecting path failures and reducing packet loss as a result of such failures are described for use within a data center or other environment. For example, a source and/or destination access node may create and/or maintain information about health and/or connectivity for a plurality of ports or paths between the source and destination device and core switches. The source access node may spray packets over a number of paths between the source access node and the destination access node. The source access node may use the information about connectivity for the paths between the source or destination access nodes and the core switches to limit the paths over which packets are sprayed. The source access node may spray packets over paths between the source access node and the destination access node that are identified as healthy, while avoiding paths that have been identified as failed.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: Deepak Goel, Pradeep Sindhu, Ayaskant Pani, Srihari Raju Vegesna, Narendra Jayawant Gathoo, John David Huber, Rohit Sunkam Ramanujam, Saurin Patel
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Publication number: 20210176347Abstract: Network access node virtual fabrics configured dynamically over an underlay network are described. A centralized controller, such as a software-defined networking (SDN) controller, of a packet switched network is configured to establish one or more virtual fabrics as overlay networks on top of the physical underlay network of the packet switched network. For example, the SDN controller may define multiple sets of two of more access nodes connected to the packet switched network, and the access nodes of a given one of the sets may use a new data transmission protocol, referred to generally herein as a fabric control protocol (FCP), to dynamically setup tunnels as a virtual fabric over the packet switched network. The FCP tunnels may include all or a subset of the parallel data paths through the packet switched network between the access nodes for a given virtual fabric.Type: ApplicationFiled: January 21, 2021Publication date: June 10, 2021Inventors: Deepak Goel, Narendra Jayawant Gathoo, Philip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Patent number: 10965586Abstract: Techniques for detecting path failures and reducing packet loss as a result of such failures are described for use within a data center or other environment. For example, a source and/or destination access node may create and/or maintain information about health and/or connectivity for a plurality of ports or paths between the source and destination device and core switches. The source access node may spray packets over a number of paths between the source access node and the destination access node. The source access node may use the information about connectivity for the paths between the source or destination access nodes and the core switches to limit the paths over which packets are sprayed. The source access node may spray packets over paths between the source access node and the destination access node that are identified as healthy, while avoiding paths that have been identified as failed.Type: GrantFiled: September 28, 2018Date of Patent: March 30, 2021Assignee: Fungible, Inc.Inventors: Deepak Goel, Pradeep Sindhu, Ayaskant Pani, Srihari Raju Vegesna, Narendra Jayawant Gathoo, John David Huber, Rohit Sunkam Ramanujam, Saurin Patel
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Patent number: 10904367Abstract: Network access node virtual fabrics configured dynamically over an underlay network are described. A centralized controller, such as a software-defined networking (SDN) controller, of a packet switched network is configured to establish one or more virtual fabrics as overlay networks on top of the physical underlay network of the packet switched network. For example, the SDN controller may define multiple sets of two of more access nodes connected to the packet switched network, and the access nodes of a given one of the sets may use a new data transmission protocol, referred to generally herein as a fabric control protocol (FCP), to dynamically setup tunnels as a virtual fabric over the packet switched network. The FCP tunnels may include all or a subset of the parallel data paths through the packet switched network between the access nodes for a given virtual fabric.Type: GrantFiled: September 28, 2018Date of Patent: January 26, 2021Assignee: Fungible, Inc.Inventors: Deepak Goel, Narendra Jayawant Gathoo, Phillip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Publication number: 20200169513Abstract: A fabric control protocol is described for use within a data center in which a switch fabric provides full mesh interconnectivity such that any of the servers may communicate packet data for a given packet flow to any other of the servers using any of a number of parallel data paths within the data center switch fabric. The fabric control protocol enables spraying of individual packets for a given packet flow across some or all of the multiple parallel data paths in the data center switch fabric and, optionally, reordering of the packets for delivery to the destination. The fabric control protocol may provide end-to-end bandwidth scaling and flow fairness within a single tunnel based on endpoint-controlled requests and grants for flows. In some examples, the fabric control protocol packet structure is carried over an underlying protocol, such as the User Datagram Protocol (UDP).Type: ApplicationFiled: January 28, 2020Publication date: May 28, 2020Inventors: Deepak Goel, Narendra Jayawant Gathoo, Philip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Publication number: 20190104206Abstract: A fabric control protocol is described for use within a data center in which a switch fabric provides full mesh interconnectivity such that any of the servers may communicate packet data for a given packet flow to any other of the servers using any of a number of parallel data paths within the data center switch fabric. The fabric control protocol enables spraying of individual packets for a given packet flow across some or all of the multiple parallel data paths in the data center switch fabric and, optionally, reordering of the packets for delivery to the destination. The fabric control protocol may provide end-to-end bandwidth scaling and flow fairness within a single tunnel based on endpoint-controlled requests and grants for flows. In some examples, the fabric control protocol packet structure is carried over an underlying protocol, such as the User Datagram Protocol (UDP).Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Inventors: Deepak Goel, Narendra Jayawant Gathoo, Phillip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal
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Publication number: 20190104057Abstract: Techniques for detecting path failures and reducing packet loss as a result of such failures are described for use within a data center or other environment. For example, a source and/or destination access node may create and/or maintain information about health and/or connectivity for a plurality of ports or paths between the source and destination device and core switches. The source access node may spray packets over a number of paths between the source access node and the destination access node. The source access node may use the information about connectivity for the paths between the source or destination access nodes and the core switches to limit the paths over which packets are sprayed. The source access node may spray packets over paths between the source access node and the destination access node that are identified as healthy, while avoiding paths that have been identified as failed.Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Inventors: Deepak Goel, Pradeep Sindhu, Ayaskant Pani, Srihari Raju Vegesna, Narendra Jayawant Gathoo, John David Huber, Rohit Sunkam Ramanujam, Saurin Patel
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Publication number: 20190104207Abstract: Network access node virtual fabrics configured dynamically over an underlay network are described. A centralized controller, such as a software-defined networking (SDN) controller, of a packet switched network is configured to establish one or more virtual fabrics as overlay networks on top of the physical underlay network of the packet switched network. For example, the SDN controller may define multiple sets of two of more access nodes connected to the packet switched network, and the access nodes of a given one of the sets may use a new data transmission protocol, referred to generally herein as a fabric control protocol (FCP), to dynamically setup tunnels as a virtual fabric over the packet switched network. The FCP tunnels may include all or a subset of the parallel data paths through the packet switched network between the access nodes for a given virtual fabric.Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Inventors: Deepak Goel, Narendra Jayawant Gathoo, Phillip A. Thomas, Srihari Raju Vegesna, Pradeep Sindhu, Wael Noureddine, Robert William Bowdidge, Ayaskant Pani, Gopesh Goyal