Patents by Inventor Rex Maristela

Rex Maristela 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: 20230254238
    Abstract: Systems and methods for establishing routing information between software containers or other virtualized environments within a network, and providing inter-container routing between the software services operating on the network, are disclosed herein. The system utilizes an existing routing protocol such as Open Shortest Path First (OSPF) and establishes an overlay network that provides end-to-end connectivity between services of a customer operating in an Infrastructure as a Service (IaaS) network, while maintaining isolation from the traffic of other customers of the IaaS network. The system uses OSPF to learn aspects of the routes between containers in the network, and further builds a customer-specific overlay network based on IP-to-IP encapsulation of the OSPF messages.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Rahul Amin, Tingchun Kang, Henry Barrion, Rex Maristela
  • Publication number: 20230199090
    Abstract: An improved core network that can monitor micro-level issues, identify specific services of specific nodes that may be causing an outage, and perform targeted node failovers in a manner that does not cause unnecessary disruptions in service is described herein. For example, the improved core network can include a failover and isolation server (FIS) system. The FIS system can obtain service-specific KPIs from the various nodes in the core network. The FIS can then compare the obtained KPI values of the respective service with corresponding threshold values. If any KPI value exceeds a corresponding threshold value, the FIS may preliminarily determine that the service of the node associated with the KPI value is responsible for a service outage. The FIS can initiate a failover operation, which causes the node to re-route any received requests corresponding to the service potentially responsible for the service outage to a redundant node.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 22, 2023
    Inventors: Rahul Amin, Rex Maristela, Fadi El Banna
  • Patent number: 11665086
    Abstract: Systems and methods for establishing routing information between software containers or other virtualized environments within a network, and providing inter-container routing between the software services operating on the network, are disclosed herein. The system utilizes an existing routing protocol such as Open Shortest Path First (OSPF) and establishes an overlay network that provides end-to-end connectivity between services of a customer operating in an Infrastructure as a Service (IaaS) network, while maintaining isolation from the traffic of other customers of the IaaS network. The system uses OSPF to learn aspects of the routes between containers in the network, and further builds a customer-specific overlay network based on IP-to-IP encapsulation of the OSPF messages.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: May 30, 2023
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Tingchun Kang, Henry Barrion, Rex Maristela
  • Patent number: 11588927
    Abstract: An improved core network that can monitor micro-level issues, identify specific services of specific nodes that may be causing an outage, and perform targeted node failovers in a manner that does not cause unnecessary disruptions in service is described herein. For example, the improved core network can include a failover and isolation server (FIS) system. The FIS system can obtain service-specific KPIs from the various nodes in the core network. The FIS can then compare the obtained KPI values of the respective service with corresponding threshold values. If any KPI value exceeds a corresponding threshold value, the FIS may preliminarily determine that the service of the node associated with the KPI value is responsible for a service outage. The FIS can initiate a failover operation, which causes the node to re-route any received requests corresponding to the service potentially responsible for the service outage to a redundant node.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: February 21, 2023
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Rex Maristela, Fadi El Banna
  • Patent number: 11496918
    Abstract: The disclosed method tests performance of a wireless telecommunication network. The method obtains from the network a network trace including packets exchanged among devices associated with the network. The method identifies packets within the network trace that match properties specified by the first and second tables, and obtains a call flow by chronologically mapping the identified packets, using the timestamps of the packets. The method determines whether a packet associated with the call flow matches the properties specified by the third table by comparing an IE value contained in the packet to the IE value included in the third table. Based on the determining, the method creates a call flow validation results report indicating whether the call flow satisfied the properties specified in the multiple tables. The call flow validation results report can indicate whether the network has passed the test, and/or whether the wireless network has any problematic components.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 8, 2022
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Monica Baranwal, Tingchun Kang, Rex Maristela, Shubham Mehta
  • Publication number: 20220095141
    Abstract: The disclosed method tests performance of a wireless telecommunication network. The method obtains from the network a network trace including packets exchanged among devices associated with the network. The method identifies packets within the network trace that match properties specified by the first and second tables, and obtains a call flow by chronologically mapping the identified packets, using the timestamps of the packets. The method determines whether a packet associated with the call flow matches the properties specified by the third table by comparing an IE value contained in the packet to the IE value included in the third table. Based on the determining, the method creates a call flow validation results report indicating whether the call flow satisfied the properties specified in the multiple tables. The call flow validation results report can indicate whether the network has passed the test, and/or whether the wireless network has any problematic components.
    Type: Application
    Filed: September 24, 2020
    Publication date: March 24, 2022
    Inventors: Rahul Amin, Monica Baranwal, Tingchun Kang, Rex Maristela, Shubham Mehta
  • Publication number: 20220078102
    Abstract: Systems and methods for establishing routing information between software containers or other virtualized environments within a network, and providing inter-container routing between the software services operating on the network, are disclosed herein. The system utilizes an existing routing protocol such as Open Shortest Path First (OSPF) and establishes an overlay network that provides end-to-end connectivity between services of a customer operating in an Infrastructure as a Service (IaaS) network, while maintaining isolation from the traffic of other customers of the IaaS network. The system uses OSPF to learn aspects of the routes between containers in the network, and further builds a customer-specific overlay network based on IP-to-IP encapsulation of the OSPF messages.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Inventors: Rahul Amin, Tingchun Kang, Henry Barrion, Rex Maristela
  • Patent number: 11206206
    Abstract: Systems and methods for establishing routing information between software containers or other virtualized environments within a network, and providing inter-container routing between the software services operating on the network, are disclosed herein. The system utilizes an existing routing protocol such as Open Shortest Path First (OSPF) and establishes an overlay network that provides end-to-end connectivity between services of a customer operating in an Infrastructure as a Service (IaaS) network, while maintaining isolation from the traffic of other customers of the IaaS network. The system uses OSPF to learn aspects of the routes between containers in the network, and further builds a customer-specific overlay network based on IP-to-IP encapsulation of the OSPF messages.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: December 21, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Tingchun Kang, Henry Barrion, Rex Maristela
  • Patent number: 11206291
    Abstract: Disclosed is an architecture that distributes session control logic across multiple points of a telecommunications network. Also disclosed are techniques and systems using Internet Protocol (IP)-based routing to establish communication sessions. A user equipment (UE) may receive user input to initiate a communication session, derive a destination IP address, generate a session request having at least the destination IP address, and send the session request a server. The server may receive the session request from the UE, replace the destination IP address in the session request with an IP address of an endpoint device to generate a modified session request, and route the modified session request to the endpoint device based at least in part on the IP address of the endpoint device.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: December 21, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Tharunika Sridhar, Rex Maristela, Muhilan Vamadevan, Rahul Amin, Joel Arends
  • Patent number: 11159581
    Abstract: Aspects of the present disclosure include techniques for dynamically exchanging session initiation protocol (SIP) configurations between a SIP node and a neighbor SIP node. For example, a SIP node may send a first request to the neighbor SIP node to subscribe to neighbor SIP node configurations. The SIP node may then receive a second request from the neighbor SIP node for the neighbor SIP node to subscribe to SIP node configurations. The SIP node then sends the SIP node configurations from the SIP node to the neighbor SIP node and receives the neighbor SIP node configurations from the neighbor SIP node. In some aspects, the SIP node may store the neighbor SIP node configurations to a data store for formatting subsequent SIP messages exchanged between the SIP node and the neighbor SIP node.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: October 26, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Muhilan Vamadevan, Joel Arends, Tharunika Sridhar, Rex Maristela
  • Publication number: 20210227059
    Abstract: An improved core network that can monitor micro-level issues, identify specific services of specific nodes that may be causing an outage, and perform targeted node failovers in a manner that does not cause unnecessary disruptions in service is described herein. For example, the improved core network can include a failover and isolation server (FIS) system. The FIS system can obtain service-specific KPIs from the various nodes in the core network. The FIS can then compare the obtained KPI values of the respective service with corresponding threshold values. If any KPI value exceeds a corresponding threshold value, the FIS may preliminarily determine that the service of the node associated with the KPI value is responsible for a service outage. The FIS can initiate a failover operation, which causes the node to re-route any received requests corresponding to the service potentially responsible for the service outage to a redundant node.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Inventors: Rahul Amin, Rex Maristela, Fadi El Banna
  • Publication number: 20210160166
    Abstract: Systems and methods for establishing routing information between software containers or other virtualized environments within a network, and providing inter-container routing between the software services operating on the network, are disclosed herein. The system utilizes an existing routing protocol such as Open Shortest Path First (OSPF) and establishes an overlay network that provides end-to-end connectivity between services of a customer operating in an Infrastructure as a Service (IaaS) network, while maintaining isolation from the traffic of other customers of the IaaS network. The system uses OSPF to learn aspects of the routes between containers in the network, and further builds a customer-specific overlay network based on IP-to-IP encapsulation of the OSPF messages.
    Type: Application
    Filed: November 26, 2019
    Publication date: May 27, 2021
    Inventors: Rahul Amin, Tingchun Kang, Henry Barrion, Rex Maristela
  • Patent number: 10972588
    Abstract: An improved core network that can monitor micro-level issues, identify specific services of specific nodes that may be causing an outage, and perform targeted node failovers in a manner that does not cause unnecessary disruptions in service is described herein. For example, the improved core network can include a failover and isolation server (FIS) system. The FIS system can obtain service-specific KPIs from the various nodes in the core network. The FIS can then compare the obtained KPI values of the respective service with corresponding threshold values. If any KPI value exceeds a corresponding threshold value, the FIS may preliminarily determine that the service of the node associated with the KPI value is responsible for a service outage. The FIS can initiate a failover operation, which causes the node to re-route any received requests corresponding to the service potentially responsible for the service outage to a redundant node.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 6, 2021
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Rex Maristela, Fadi El Banna
  • Publication number: 20200374321
    Abstract: Disclosed is an architecture that distributes session control logic across multiple points of a telecommunications network. Also disclosed are techniques and systems using Internet Protocol (IP)-based routing to establish communication sessions. A user equipment (UE) may receive user input to initiate a communication session, derive a destination IP address, generate a session request having at least the destination IP address, and send the session request a server. The server may receive the session request from the UE, replace the destination IP address in the session request with an IP address of an endpoint device to generate a modified session request, and route the modified session request to the endpoint device based at least in part on the IP address of the endpoint device.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Inventors: Tharunika Sridhar, Rex Maristela, Muhilan Vamadevan, Rahul Amin, Joel Arends
  • Patent number: 10757144
    Abstract: Disclosed is an architecture that distributes session control logic across multiple points of a telecommunications network. Also disclosed are techniques and systems using Internet Protocol (IP)-based routing to establish communication sessions. A user equipment (UE) may receive user input to initiate a communication session, derive a destination IP address, generate a session request having at least the destination IP address, and send the session request a server. The server may receive the session request from the UE, replace the destination IP address in the session request with an IP address of an endpoint device to generate a modified session request, and route the modified session request to the endpoint device based at least in part on the IP address of the endpoint device.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: August 25, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Tharunika Sridhar, Rex Maristela, Muhilan Vamadevan, Rahul Amin, Joel Arends
  • Publication number: 20200186574
    Abstract: Aspects of the present disclosure include techniques for dynamically exchanging session initiation protocol (SIP) configurations between a SIP node and a neighbor SIP node. For example, a SIP node may send a first request to the neighbor SIP node to subscribe to neighbor SIP node configurations. The SIP node may then receive a second request from the neighbor SIP node for the neighbor SIP node to subscribe to SIP node configurations. The SIP node then sends the SIP node configurations from the SIP node to the neighbor SIP node and receives the neighbor SIP node configurations from the neighbor SIP node. In some aspects, the SIP node may store the neighbor SIP node configurations to a data store for formatting subsequent SIP messages exchanged between the SIP node and the neighbor SIP node.
    Type: Application
    Filed: December 6, 2018
    Publication date: June 11, 2020
    Inventors: Rahul Amin, Muhilan Vamadevan, Joel Arends, Tharunika Sridhar, Rex Maristela
  • Patent number: 10637994
    Abstract: The disclosed system provides a Real-time Telephony (or Call) Monitor, Analyzer and Decision SIP Server (RTMADS) for mitigating attacks on emergency telephone systems. The RTMADS works in conjunction with an ingress node to fork incoming calls to an IMS network and the RTMADS. Within the RTMADS, forked telephone calls undergo data collection and mining, and parametric analysis. A decision matrix in the RTMADS uses the results of the data collection, mining, and parametric analysis, and other information, to make a decision with respect to incoming calls. For example, the RTMADS may decide to perform call setup on an incoming call using a dedicated or backup Public Safety Answering Point (PSAP), alert an Operations and Management (OAM) team regarding the incoming call, or accept and then terminate the incoming call.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: April 28, 2020
    Assignee: T-Mobile USA, Inc.
    Inventors: Rahul Amin, Tharunika Sridhar, Rex Maristela
  • Publication number: 20200084318
    Abstract: The disclosed system provides a Real-time Telephony (or Call) Monitor, Analyzer and Decision SIP Server (RTMADS) for mitigating attacks on emergency telephone systems. The RTMADS works in conjunction with an ingress node to fork incoming calls to an IMS network and the RTMADS. Within the RTMADS, forked telephone calls undergo data collection and mining, and parametric analysis. A decision matrix in the RTMADS uses the results of the data collection, mining, and parametric analysis, and other information, to make a decision with respect to incoming calls. For example, the RTMADS may decide to perform call setup on an incoming call using a dedicated or backup Public Safety Answering Point (PSAP), alert an Operations and Management (OAM) team regarding the incoming call, or accept and then terminate the incoming call.
    Type: Application
    Filed: June 12, 2019
    Publication date: March 12, 2020
    Inventors: Rahul Amin, Tharunika Sridhar, Rex Maristela
  • Publication number: 20200007666
    Abstract: An improved core network that can monitor micro-level issues, identify specific services of specific nodes that may be causing an outage, and perform targeted node failovers in a manner that does not cause unnecessary disruptions in service is described herein. For example, the improved core network can include a failover and isolation server (FIS) system. The FIS system can obtain service-specific KPIs from the various nodes in the core network. The FIS can then compare the obtained KPI values of the respective service with corresponding threshold values. If any KPI value exceeds a corresponding threshold value, the FIS may preliminarily determine that the service of the node associated with the KPI value is responsible for a service outage. The FIS can initiate a failover operation, which causes the node to re-route any received requests corresponding to the service potentially responsible for the service outage to a redundant node.
    Type: Application
    Filed: June 27, 2018
    Publication date: January 2, 2020
    Inventors: Rahul Amin, Rex Maristela, Fadi El Banna
  • Publication number: 20190387030
    Abstract: Disclosed is an architecture that distributes session control logic across multiple points of a telecommunications network. Also disclosed are techniques and systems using Internet Protocol (IP)-based routing to establish communication sessions. A user equipment (UE) may receive user input to initiate a communication session, derive a destination IP address, generate a session request having at least the destination IP address, and send the session request a server. The server may receive the session request from the UE, replace the destination IP address in the session request with an IP address of an endpoint device to generate a modified session request, and route the modified session request to the endpoint device based at least in part on the IP address of the endpoint device.
    Type: Application
    Filed: June 19, 2018
    Publication date: December 19, 2019
    Inventors: Tharunika Sridhar, Rex Maristela, Muhilan Vamadevan, Rahul Amin, Joel Arends