Patents by Inventor Ravindran Suresh

Ravindran Suresh 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: 11502974
    Abstract: Systems and methods of network packet switching use a table representation of a trie data structure to identify a timestamp (TS) range (or time range) for a received packet based on the packet timestamp (TS). The trie data structure is programmed with a plurality of predetermined time ranges. Each node in the trie data structure corresponds to a TS prefix and is associated with a corresponding predetermined time range. A search engine in the network switch can use the packet TS as a key to traverse the trie data structure and thereby matching the packet TS to a predetermined time range according to a Longest Prefix Match (LPM) process. Provided with the TS ranges of the incoming packets, various applications and logic engines in the network switch can accordingly process the packets, such as determining a new destination IP address and performing channel switch accordingly.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: November 15, 2022
    Assignee: Marvell Asia Pte, Ltd.
    Inventors: Zubin Hemantkumar Shah, Shih-Jeff Chen, Ravindran Suresh, Leonid Livak
  • Publication number: 20210051114
    Abstract: Systems and methods of network packet switching use a table representation of a trie data structure to identify a timestamp (TS) range (or time range) for a received packet based on the packet timestamp (TS). The trie data structure is programmed with a plurality of predetermined time ranges. Each node in the trie data structure corresponds to a TS prefix and is associated with a corresponding predetermined time range. A search engine in the network switch can use the packet TS as a key to traverse the trie data structure and thereby matching the packet TS to a predetermined time range according to a Longest Prefix Match (LPM) process. Provided with the TS ranges of the incoming packets, various applications and logic engines in the network switch can accordingly process the packets, such as determining a new destination IP address and performing channel switch accordingly.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 18, 2021
    Inventors: Zubin Hemantkumar SHAH, Shih-Jeff CHEN, Ravindran SURESH, Leonid LIVAK
  • Patent number: 10855621
    Abstract: System and method of network packet switching using a table representation of a trie data structure to identify a timestamp (TS) range (or time range) for a received packet based on the packet timestamp (TS). The trie data structure is programmed with a plurality of predetermined time ranges. Each node in the trie data structure corresponds to a TS prefix and is associated with a corresponding predetermined time range. A search engine in the network switch can use the packet TS as a key to traverse the trie data structure and thereby matching the packet TS to a predetermined time range according to a Longest Prefix Match (LPM) process. Provided with the TS ranges of the incoming packets, various applications and logic engines in the network switch can accordingly process the packets, such as determining a new destination IP address and performing channel switch accordingly.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: December 1, 2020
    Assignee: Marvell Asia Pte, Ltd.
    Inventors: Zubin Hemantkumar Shah, Shih-Jeff Chen, Ravindran Suresh, Leonid Livak
  • Patent number: 10466976
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: November 5, 2019
    Assignee: Cavium, LLC
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Patent number: 10277464
    Abstract: One embodiment of the present invention provides a switch capable of auto-configuration of client devices for a link aggregation. The switch includes a packet processor, an auto-configuration module, and a link-aggregation management module. During operation, the packet processor extracts an identifier of a client device from a notification message received via a local port. The auto-configuration module, which is coupled to the packet processor, associates the local port with the identifier of the client device. If the packet processor recognizes the identifier of the client device in a message received from a remote switch, the link-aggregation management module forms a multi-switch link aggregation for the client device in conjunction with the remote switch.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: April 30, 2019
    Assignee: ARRIS Enterprises LLC
    Inventors: Mei Yang, Ravindran Suresh, Arijit Bhattacharyya, Maocheng Hu
  • Publication number: 20180359195
    Abstract: System and method of network packet switching using a table representation of a trie data structure to identify a timestamp (TS) range (or time range) for a received packet based on the packet timestamp (TS). The trie data structure is programmed with a plurality of predetermined time ranges. Each node in the trie data structure corresponds to a TS prefix and is associated with a corresponding predetermined time range. A search engine in the network switch can use the packet TS as a key to traverse the trie data structure and thereby matching the packet TS to a predetermined time range according to a Longest Prefix Match (LPM) process. Provided with the TS ranges of the incoming packets, various applications and logic engines in the network switch can accordingly process the packets, such as determining a new destination IP address and performing channel switch accordingly.
    Type: Application
    Filed: February 12, 2018
    Publication date: December 13, 2018
    Inventors: Zubin Hemantkumar SHAH, Shih-Jeff CHEN, Ravindran SURESH, Leonid LIVAK
  • Patent number: 9948482
    Abstract: A network switch to support flexible lookup key generation comprises a control CPU configured to run a network switch control stack. The network switch control stacks is configured to manage and control operations of a switching logic circuitry, provide a flexible key having a plurality of possible fields that constitute part of a lookup key to a table, and enable a user to dynamically select at deployment or runtime a subset of the fields in the flexible key to form the lookup key and thus define a lookup key format for the table. The switching logic circuitry provisioned and controlled by the network switch control stack is configured to maintain said table to be searched via the lookup key in a memory cluster and process a received data packet based on search result of the table using the lookup key generated from the dynamically selected fields in the flexible key.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: April 17, 2018
    Assignee: CAVIUM, INC.
    Inventors: Leonid Livak, Ravindran Suresh, Zubin Shah, Sunita Bhaskaran, Ashwini Reddy
  • Publication number: 20180067728
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Application
    Filed: November 6, 2017
    Publication date: March 8, 2018
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Patent number: 9870204
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: January 16, 2018
    Assignee: Cavium, Inc.
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Patent number: 9864583
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: January 9, 2018
    Assignee: Cavium, Inc.
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Patent number: 9864582
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: January 9, 2018
    Assignee: Cavium, Inc.
    Inventors: Kishore Badari Atreya, Ajeer Salil Pudiyapura, Ravindran Suresh
  • Patent number: 9864584
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: January 9, 2018
    Assignee: Cavium, Inc.
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Patent number: 9836283
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: December 5, 2017
    Assignee: Cavium, Inc.
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Publication number: 20170317922
    Abstract: A network switch to support flexible lookup key generation comprises a control CPU configured to run a network switch control stack. The network switch control stacks is configured to manage and control operations of a switching logic circuitry, provide a flexible key having a plurality of possible fields that constitute part of a lookup key to a table, and enable a user to dynamically select at deployment or runtime a subset of the fields in the flexible key to form the lookup key and thus define a lookup key format for the table. The switching logic circuitry provisioned and controlled by the network switch control stack is configured to maintain said table to be searched via the lookup key in a memory cluster and process a received data packet based on search result of the table using the lookup key generated from the dynamically selected fields in the flexible key.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 2, 2017
    Inventors: Leonid Livak, Ravindran Suresh, Zubin Shah, Sunita Bhaskaran, Ashwini Reddy
  • Publication number: 20170237691
    Abstract: A network switch to support multiple virtual switch instances comprises a control CPU configured to run a plurality of network switch control stacks, wherein each of the network switch control stacks is configured to manage and control operations of one or more virtual switch instances of a switching logic circuitry of the network switch. The network switch further includes said switching logic circuitry partitioned into a plurality of said virtual switch instances, wherein each of the virtual switch instances is provisioned and controlled by one of the network switch control stacks and is dedicated to serve and route data packets for a specific client of the network switch.
    Type: Application
    Filed: February 12, 2016
    Publication date: August 17, 2017
    Inventor: Ravindran Suresh
  • Patent number: 9606781
    Abstract: A parser engine programming tool configured to receive an input file representing a directly connected cyclical graph or tree of decision points for parsing a range of incoming packet headers, automatically generate all possible paths within the graph and thereby the associated possible headers, and convert the determined paths/headers into a proper format for programming memory of a parser engine to parse the determined headers (represented by the paths).
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: March 28, 2017
    Assignee: Cavium, Inc.
    Inventors: Kishore Badari Atreya, Ajeer Salil Pudiyapura, Ravindran Suresh
  • Patent number: 9582251
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 28, 2017
    Assignee: Cavium, Inc.
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Publication number: 20160139887
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Application
    Filed: March 31, 2015
    Publication date: May 19, 2016
    Inventors: Ajeer Salil Pudiyapura, Kishore Badari Atreya, Ravindran Suresh
  • Publication number: 20160139892
    Abstract: A parser engine programming tool configured to receive an input file representing a directly connected cyclical graph or tree of decision points for parsing a range of incoming packet headers, automatically generate all possible paths within the graph and thereby the associated possible headers, and convert the determined paths/headers into a proper format for programming memory of a parser engine to parse the determined headers (represented by the paths).
    Type: Application
    Filed: March 31, 2015
    Publication date: May 19, 2016
    Inventors: Kishore Badari Atreya, Ajeer Salil Pudiyapura, Ravindran Suresh
  • Publication number: 20160139893
    Abstract: A processing network including a plurality of lookup and decision engines (LDEs) each having one or more configuration registers and a plurality of on-chip routers forming a matrix for routing the data between the LDEs, wherein each of the on-chip routers is communicatively coupled with one or more of the LDEs. The processing network further including an LDE compiler stored on a memory and communicatively coupled with each of the LDEs, wherein the LDE compiler is configured to generate values based on input source code that when programmed into the configuration registers of the LDEs cause the LDEs to implement the functionality defined by the input source code.
    Type: Application
    Filed: March 31, 2015
    Publication date: May 19, 2016
    Inventors: Kishore Badari Atreya, Ajeer Salil Pudiyapura, Ravindran Suresh