Patents by Inventor Sridhar Narahari
Sridhar Narahari 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: 20240098030Abstract: An example method for performing application recognition in the cloud to support application-aware functionality on customer premises equipment includes detecting a data flow associated with a customer premises equipment device, identifying an application associated with the data flow, generating a mapping that maps the application to an identifier, and providing the mapping to the customer premises equipment device.Type: ApplicationFiled: September 20, 2022Publication date: March 21, 2024Inventors: Sridhar Narahari, Barry Elia, Jeffrey Eiber
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Publication number: 20240089750Abstract: An architecture related to notifying user equipment of communication transportation functionality and/or facility shifts between a wired communication transportation framework and a wireless communication transportation framework. A method can comprise determining a decrease in a number of data packets flowing through a wireline network interface over a defined period of time, based on the number of data packets, determining that the wireline network interface is failing, generating a notification comprising a data record comprising a field representing a state associated with the failing wireline network interface, and sending the notification to a user equipment.Type: ApplicationFiled: September 13, 2022Publication date: March 14, 2024Inventors: Jae-Sun Chin, Jamil Cheikhali, Barry Elia, Gregory Harp, Sridhar Narahari, Raghu Mudumbai
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Publication number: 20230254283Abstract: Distributed firewalls in a network are disclosed. Example firewall controllers disclosed herein are to instruct a first network node of a software-defined network to implement a first firewall instance of a distributed firewall, the first network node to implement the first firewall instance with a first virtual machine. Disclosed example firewall controllers are also to configure a second network node of the software-defined network to route network traffic through the first firewall instance and, after at least some of the network traffic is dropped by the first firewall instance, instruct the second network node to implement a second firewall instance of the distributed firewall, the second network node to implement the second firewall instance with a second virtual machine.Type: ApplicationFiled: April 18, 2023Publication date: August 10, 2023Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Publication number: 20230179469Abstract: Architectures and techniques are presented that provide an improved mechanism for a subscriber entity to report to a network provider a network issue that affects the performance of an application that uses a service provided by the network provider. The improved mechanism can enable fine granularity with respect to the network issue by identifying the issue on a per-session basis. In response to feedback data that is reported by the subscriber entity, the network provider can perform self-healing or other upgrade techniques to rapidly remedy the network issue.Type: ApplicationFiled: February 6, 2023Publication date: June 8, 2023Inventors: Sridhar Narahari, John Gibbons, Michael Satterlee
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Patent number: 11665140Abstract: Distributed firewalls in a network are disclosed. Example firewall controllers disclosed herein are to instruct a first network node of a software-defined network to implement a first firewall instance of a distributed firewall, the first network node to implement the first firewall instance with a first virtual machine. Disclosed example firewall controllers are also to configure a second network node of the software-defined network to route network traffic through the first firewall instance and, after at least some of the network traffic is dropped by the first firewall instance, instruct the second network node to implement a second firewall instance of the distributed firewall, the second network node to implement the second firewall instance with a second virtual machine.Type: GrantFiled: May 17, 2021Date of Patent: May 30, 2023Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Patent number: 11595247Abstract: Architectures and techniques are presented that provide an improved mechanism for a subscriber entity to report to a network provider a network issue that affects the performance of an application that uses a service provided by the network provider. The improved mechanism can enable fine granularity with respect to the network issue by identifying the issue on a per-session basis. In response to feedback data that is reported by the subscriber entity, the network provider can perform self-healing or other upgrade techniques to rapidly remedy the network issue.Type: GrantFiled: October 6, 2021Date of Patent: February 28, 2023Assignee: AT&T Intellectual Property I, L.P.Inventors: Sridhar Narahari, John Gibbons, Michael Satterlee
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Publication number: 20220385552Abstract: Architectures and techniques are presented that record bi-directional traffic flows of a network such as a software defined network, that result from execution of a specified application. This recorded traffic data can be generated prior to a network change and can be anonymized in various ways to maintain security and privacy. After applying the network change, the traffic data can be replayed to test performance of the specified application in a manner that realistically represents actual use of the specified application.Type: ApplicationFiled: May 27, 2021Publication date: December 1, 2022Inventors: Sridhar Narahari, John F. Gibbons, Michael Satterlee
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Publication number: 20220337336Abstract: Maximizing throughput on a variable bandwidth communication interface is presented herein. A first device, based on information that was received from a second device via a communication link communicatively coupling the first device to the second device, determines a rate of change of data packet loss of first data packets that have been transmitted, based on a first data transmission rate via the communication link, from the first device to the second device; and in response to the rate of change of data packet loss being determined to satisfy a defined condition that is based on a defined state of a group of defined states corresponding to respective data transmission rates comprising the first data transmission rate, modifies the first data transmission rate to obtain a second data transmission rate, and transmits, based on the second data transmission rate, second data packets to the second device.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Inventors: David Small, Joseph Zolik, Sridhar Narahari
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Patent number: 11424849Abstract: Maximizing throughput on a variable bandwidth communication interface is presented herein. A first device, based on information that was received from a second device via a communication link communicatively coupling the first device to the second device, determines a rate of change of data packet loss of first data packets that have been transmitted, based on a first data transmission rate via the communication link, from the first device to the second device; and in response to the rate of change of data packet loss being determined to satisfy a defined condition that is based on a defined state of a group of defined states corresponding to respective data transmission rates comprising the first data transmission rate, modifies the first data transmission rate to obtain a second data transmission rate, and transmits, based on the second data transmission rate, second data packets to the second device.Type: GrantFiled: December 13, 2019Date of Patent: August 23, 2022Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: David Small, Joseph Zolik, Sridhar Narahari
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Publication number: 20210273912Abstract: Distributed firewalls in a network are disclosed. Example firewall controllers disclosed herein are to instruct a first network node of a software-defined network to implement a first firewall instance of a distributed firewall, the first network node to implement the first firewall instance with a first virtual machine. Disclosed example firewall controllers are also to configure a second network node of the software-defined network to route network traffic through the first firewall instance and, after at least some of the network traffic is dropped by the first firewall instance, instruct the second network node to implement a second firewall instance of the distributed firewall, the second network node to implement the second firewall instance with a second virtual machine.Type: ApplicationFiled: May 17, 2021Publication date: September 2, 2021Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Patent number: 11044232Abstract: Methods and apparatus to provide a distributed firewall in a network are disclosed. Example firewall controllers disclosed herein are to instruct a first network node of a software-defined network to implement a first firewall instance of a distributed firewall, the first network node to implement the first firewall instance with a first virtual machine. Disclosed example firewall controllers are also to configure a second network node of the software-defined network to route network traffic through the first firewall instance and, after at least some of the network traffic is dropped by the first firewall instance, instruct the second network node to implement a second firewall instance of the distributed firewall, the second network node to implement the second firewall instance with a second virtual machine.Type: GrantFiled: March 31, 2020Date of Patent: June 22, 2021Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Publication number: 20210184785Abstract: Maximizing throughput on a variable bandwidth communication interface is presented herein. A first device, based on information that was received from a second device via a communication link communicatively coupling the first device to the second device, determines a rate of change of data packet loss of first data packets that have been transmitted, based on a first data transmission rate via the communication link, from the first device to the second device; and in response to the rate of change of data packet loss being determined to satisfy a defined condition that is based on a defined state of a group of defined states corresponding to respective data transmission rates comprising the first data transmission rate, modifies the first data transmission rate to obtain a second data transmission rate, and transmits, based on the second data transmission rate, second data packets to the second device.Type: ApplicationFiled: December 13, 2019Publication date: June 17, 2021Inventors: David Small, Joseph Zolik, Sridhar Narahari
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Publication number: 20200228501Abstract: Methods and apparatus to provide a distributed firewall in a network are disclosed. Example firewall controllers disclosed herein are to instruct a first network node of a software-defined network to implement a first firewall instance of a distributed firewall, the first network node to implement the first firewall instance with a first virtual machine. Disclosed example firewall controllers are also to configure a second network node of the software-defined network to route network traffic through the first firewall instance and, after at least some of the network traffic is dropped by the first firewall instance, instruct the second network node to implement a second firewall instance of the distributed firewall, the second network node to implement the second firewall instance with a second virtual machine.Type: ApplicationFiled: March 31, 2020Publication date: July 16, 2020Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Patent number: 10623373Abstract: Methods and apparatus to provide a distributed firewall in a network are disclosed. An example method includes identifying, at a control plane, a network traffic rule to implement in a network, and determining a first firewall of a distributed firewall in the network to enforce the network traffic rule. Example methods also configure a first software-defined network node to route network traffic to the first firewall. The first firewall is instantiated by a first firewall instance at a second software-defined network node and by a second firewall instance at a third software-defined network node. In response to determining at least some of the network traffic forwarded by the first software-defined network node to the second and third software-defined network nodes is being dropped at the first and second firewall instances, example methods also cause the first software-defined network node to implement a third firewall instance.Type: GrantFiled: May 12, 2017Date of Patent: April 14, 2020Assignee: AT&T Intellectual Property I, L.P.Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Publication number: 20170250955Abstract: Methods and apparatus to provide a distributed firewall in a network are disclosed. An example method includes identifying, at a control plane, a network traffic rule to implement in a network, and determining a first firewall of a distributed firewall in the network to enforce the network traffic rule. Example methods also configure a first software-defined network node to route network traffic to the first firewall. The first firewall is instantiated by a first firewall instance at a second software-defined network node and by a second firewall instance at a third software-defined network node. In response to determining at least some of the network traffic forwarded by the first software-defined network node to the second and third software-defined network nodes is being dropped at the first and second firewall instances, example methods also cause the first software-defined network node to implement a third firewall instance.Type: ApplicationFiled: May 12, 2017Publication date: August 31, 2017Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Patent number: 9674147Abstract: Methods and apparatus to provide a distributed firewall in a network are disclosed. An example method includes identifying, at a control plane, a network traffic rule to implement in a network; determining, at the control plane, a distributed firewall for a first firewall in the network to enforce the network traffic rule; instructing, using the control plane, a first software-defined networking node to instantiate the first firewall of the distributed firewall; configuring a second software-defined networking node to route network traffic through the first firewall; and instructing the first software-defined networking node to enforce the network traffic rule.Type: GrantFiled: May 6, 2014Date of Patent: June 6, 2017Assignee: AT&T Intellectual Property I, L.P.Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee
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Publication number: 20150326532Abstract: Methods and apparatus to provide a distributed firewall in a network are disclosed. An example method includes identifying, at a control plane, a network traffic rule to implement in a network; determining, at the control plane, a distributed firewall for a first firewall in the network to enforce the network traffic rule; instructing, using the control plane, a first software-defined networking node to instantiate the first firewall of the distributed firewall; configuring a second software-defined networking node to route network traffic through the first firewall; and instructing the first software-defined networking node to enforce the network traffic rule.Type: ApplicationFiled: May 6, 2014Publication date: November 12, 2015Applicant: AT&T Intellectual Property I, L.P.Inventors: Dustin Grant, Sandeep Gupta, Sridhar Narahari, Michael J. Satterlee