Patents by Inventor Rajiv Asati

Rajiv Asati 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: 20220239585
    Abstract: A method is performed at a router configured to perform Bit Index Explicit Replication (BIER) for forwarding of multicast packets in a network. The method includes, upon receiving a multicast packet of a multicast flow, accessing flow mappings in which multicast flows are mapped to fixed accounting values corresponding to the multicast flows. The method further comprises generating a BIER header for the multicast packet by encoding a multi-segment entropy field of the BIER header with (i) a variable entropy value for equal-cost multi-path (ECMP) load balancing, and (ii) a fixed accounting value among the fixed accounting values that is mapped to the multicast flow in the flow mappings. The method also includes encapsulating the multicast packet with the BIER header to produce an encapsulated multicast packet, and forwarding the encapsulated multicast packet.
    Type: Application
    Filed: January 28, 2021
    Publication date: July 28, 2022
    Inventors: Mankamana Prasad Mishra, Rajiv Asati, IJsbrand Wijnands, Stephane Litkowski, Nitin Kumar
  • Patent number: 11399257
    Abstract: Methods are provided to preemptively reconfigure a mobile network to respond to external emergencies. The method is performed at a network device of a service provider which provides access to a mobile network for wireless device. The method includes obtaining a message indicating an occurrence of a disaster. The message includes at least an emergency type and location information. The method further includes determining, based on the emergency type, a reconfiguration policy for reconfiguring the mobile network in an area indicated by the location information and reconfiguring the mobile network based on the reconfiguration policy. The method further includes authenticating a disaster application function and a notification message informing about an occurrence of a disaster.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: July 26, 2022
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Arghya Mukherjee, Om Prakash Suthar, Vivek Agarwal, Amarnath Sury Arvind, Rajiv Asati, Aeneas Sean Dodd-Noble
  • Publication number: 20220222102
    Abstract: A system is provided that includes one management cluster to manage network function virtualization infrastructure (NFVI) resources lifecycle in more than one edge POD locations, where resources include hardware and/or software, and where software resources lifecycle includes software development, upgrades, downgrades, logging, monitoring etc. Methods are provided for decoupling storage from compute and network functions in each virtual machine (VM)-based NFVI deployment location and moving it to a centralized location. Centralized storage could simultaneously interact with more than one edge PODs, and the security is built-in with periodic key rotation. Methods are provided for increasing NFVI system viability by dedicating (fencing) CPU core pairs for specific controller operations and workload operations, and sharing the CPU cores for specific tasks.
    Type: Application
    Filed: November 8, 2021
    Publication date: July 14, 2022
    Inventors: Santanu Dasgupta, Chandragupta Ganguly, Ian Wells, Rajiv Asati, Om Prakash Suthar, Vinod Pandarinathan, Ajay Kalambur, Yichen Wang, John Wei-I Wu
  • Patent number: 11368353
    Abstract: Techniques for policy management and enforcement using semantic data modeling are provided. A first declarative policy is received at a network node from a controller. A first semantic data query protocol (SDQP) transaction is generated by retrieving a first semantic data model associated with the network node, where the first semantic data model describes a configuration domain of the network node, and parsing the first declarative policy based on the first semantic data model to generate the first SDQP transaction. The first declarative policy is then implemented by executing the first SDQP transaction against a semantic database.
    Type: Grant
    Filed: October 27, 2018
    Date of Patent: June 21, 2022
    Assignee: Cisco Technology, Inc.
    Inventors: Anil Bhikuayya Jangam, Om Prakash Suthar, Rajiv Asati
  • Patent number: 11349891
    Abstract: This disclosure describes techniques for configuring an edge router of a communication provider network, the edge router coupled to communicate with a plurality of media streaming playback devices. Based at least in part on an indication of characteristics associated with the plurality of media streaming playback devices, a first multicast join for the edge router is configured to the communication provider network such that one or more media servers delivers a first plurality of media streams to the edge router via the communication provider network. Based at least in part on an indication of a request for an additional media stream not included in the first plurality of media streams, a second multicast join for the edge router is configured to the communication provider network such that the one or more media servers delivers the additional media stream to the edge router via the communication provider network.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: May 31, 2022
    Assignee: Cisco Technology, Inc.
    Inventors: Mankamana Prasad Mishra, Rajiv Asati, Nitin Kumar, Luc De Ghein
  • Patent number: 11336567
    Abstract: Techniques for defining a service flow definition among container pods that provide services in a network. The techniques may include an orchestrator of a computer network platform of the network determining which container pods need to communicate with which container pods. The service flow definition thus indicates needed paths between the container pods. In configurations, a cluster topology may be determined where the cluster topology indicates corresponding nodes of the network in which each container pod is located, as well as end points of the network with which the corresponding nodes communicate. Based at least in part on the service flow definition and the cluster topology, corresponding route distribution policies may be determined for the end points. The corresponding route distribution policies may be applied to the end points.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: May 17, 2022
    Assignee: Cisco Technology, Inc.
    Inventors: Nagendra Kumar Nainar, Carlos M. Pignataro, Alejandro Eguiarte, Rajiv Asati
  • Publication number: 20220109604
    Abstract: Techniques are presented in which a new information element signaling priority of a management entity is included in a setup (e.g., S1-Setup) response or configuration update message sent by a management entity to a base station entity. The base station entity interprets this priority information along with the relative capacity information in an appropriate way to load-distribute the traffic/calls to highly preferable management entity instances (at a local site) when they are available, and switchover/failover to lower preference management entity instances (at a remote site) when there is a local site outage/failure or insufficient capacity in a geo-resilient pooled network.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 7, 2022
    Inventors: Raghavendra Suryanarayanarao, Om Prakash Suthar, Aeneas Sean Dodd-Noble, Vivek Agarwal, Rajiv Asati, Carlos M. Pignataro
  • Patent number: 11258656
    Abstract: Techniques are presented in which a new information element signaling priority of a management entity is included in a setup (e.g., S1-Setup) response or configuration update message sent by a management entity to a base station entity. The base station entity interprets this priority information along with the relative capacity information in an appropriate way to load-distribute the traffic/calls to highly preferable management entity instances (at a local site) when they are available, and switchover/failover to lower preference management entity instances (at a remote site) when there is a local site outage/failure or insufficient capacity in a geo-resilient pooled network.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: February 22, 2022
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Raghavendra Suryanarayanarao, Om Prakash Suthar, Aeneas Sean Dodd-Noble, Vivek Agarwal, Rajiv Asati, Carlos M. Pignataro
  • Patent number: 11252063
    Abstract: Systems, methods, and computer-readable media are disclosed for use of an overlay network termination endpoint as a proxy to collect telemetry data for micro-services or specific applications provided by containers in overlay data centers. In one aspect of the present disclosure, a method includes receiving, at a controller, a probe for flow statistics associated with a service path, the probe including corresponding flow identification information, extracting the corresponding flow identification information from the probe, obtaining the flow statistics from an agent based on the flow identification information, the agent being configured to manage a plurality of containers, generating a response packet including the flow statistics obtained from the agent and sending the response packet to an initiator from which the query is received.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: February 15, 2022
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Nagendra Kumar Nainar, Rajiv Asati, Carlos M. Pignataro
  • Patent number: 11245751
    Abstract: Techniques are described to provide service or network function workload preemption. In one example, a method includes identifying a network location at which a first function can be instantiated; determining whether compute resources are available at the network location to instantiate the first function; based on determining that compute resources are available, instantiating the first function; based on determining that compute resources are not available, determining whether preemption of a second function can be performed at the network location, wherein determining whether preemption of the second function can be performed is based, at least in part, on a comparison between a setup priority of the first function and a holdover priority of the second function; and, based on determining that preemption of the second function at the network location can be performed, performing preemption of the second function and instantiating the first function at the network location.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: February 8, 2022
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Rajiv Asati, Arghya Mukherjee, Carlos M. Pignataro, Richard Montgomery Plane
  • Patent number: 11228651
    Abstract: Techniques for network validation are provided. A first request is received at a first manager component, from a first client. The first client and the first manager component are on a first node of a plurality of nodes, and the first request specifies a desired network service. A first network service endpoint that is capable of providing the desired network service is identified, where the first network service endpoint is on a second node of the plurality of nodes. A connection is established between a first validation agent on the first node and a second validation agent on the second node. Finally, upon determining that the connection between the first and second validation agents satisfies predefined criteria, a connection is established between the first client and the first network service endpoint.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: January 18, 2022
    Assignee: Cisco Technology, Inc.
    Inventors: Edward A. Warnicke, Nagendra Kumar Nainar, Carlos M. Pignataro, Rajiv Asati
  • Patent number: 11210126
    Abstract: A system is provided that includes one management cluster to manage network function virtualization infrastructure (NFVI) resources lifecycle in more than one edge POD locations, where resources include hardware and/or software, and where software resources lifecycle includes software development, upgrades, downgrades, logging, monitoring etc. Methods are provided for decoupling storage from compute and network functions in each virtual machine (VM)-based NFVI deployment location and moving it to a centralized location. Centralized storage could simultaneously interact with more than one edge PODs, and the security is built-in with periodic key rotation. Methods are provided for increasing NFVI system viability by dedicating (fencing) CPU core pairs for specific controller operations and workload operations, and sharing the CPU cores for specific tasks.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: December 28, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Santanu Dasgupta, Chandragupta Ganguly, Ian Wells, Rajiv Asati, Om Prakash Suthar, Vinod Pandarinathan, Ajay Kalambur, Yichen Wang, John Wei-I Wu
  • Publication number: 20210351954
    Abstract: In one embodiment, a device deploys a first machine learning model to an inference location in a network. The first machine learning model is used at the inference location to make inferences about the network. The device receives, from the inference location, an indication that the first machine learning model is exhibiting poor performance. The device identifies a corrective measure for the poor performance that minimizes resource consumption by a model training pipeline of the device. The device deploys, based on the corrective measure, a second machine learning model to the inference location. The second machine learning model is used in lieu of the first machine learning model to make the inferences about the network.
    Type: Application
    Filed: May 11, 2020
    Publication date: November 11, 2021
    Inventors: Mankamana Prasad Mishra, Jean-Philippe Vasseur, Nitin Kumar, Rajiv Asati, Luc De Ghein
  • Publication number: 20210352157
    Abstract: A method is performed at a mobile core, including assigning a first cache servicing a client device in response to a first request for a media content item based at least in part on a first IP address of the client device associated with a first edge location. The method further includes providing a first portion of the media content item from the first cache. The method additionally includes triggering a plurality of caches at edge locations proximate to the first edge location to retrieve a second portion of the media content item. The method also includes receiving a continuation request from the client device with a second IP address associated with a second edge location. The method further includes selecting a second cache from the plurality of caches based at least in part on the second IP address and continuing providing the media content item from the second cache.
    Type: Application
    Filed: June 4, 2021
    Publication date: November 11, 2021
    Inventors: Rajiv Asati, Humberto Jose La Roche, Eric C. Friedrich
  • Publication number: 20210328913
    Abstract: Techniques for defining a service flow definition among container pods that provide services in a network. The techniques may include an orchestrator of a computer network platform of the network determining which container pods need to communicate with which container pods. The service flow definition thus indicates needed paths between the container pods. In configurations, a cluster topology may be determined where the cluster topology indicates corresponding nodes of the network in which each container pod is located, as well as end points of the network with which the corresponding nodes communicate. Based at least in part on the service flow definition and the cluster topology, corresponding route distribution policies may be determined for the end points. The corresponding route distribution policies may be applied to the end points.
    Type: Application
    Filed: April 20, 2020
    Publication date: October 21, 2021
    Inventors: Nagendra Kumar Nainar, Carlos M. Pignataro, Alejandro Eguiarte, Rajiv Asati
  • Patent number: 11128546
    Abstract: A method is provided to generate a network risk heatmap. The method includes obtaining first data related to technical support and operations issues of a network that includes a plurality of network elements and second data related to updates and configurations of the network. The method involves analyzing the first data and the second to generate a device risk heatmap rule that determines a level of predictive failure risk as a function of network telemetry data indicative of real-time operations of the network. The method further includes applying the device risk heatmap rule to network telemetry data collected from the network to create a network heatmap representing a level of predictive failure risk for the plurality of network elements in the network. The method then includes instantiating a path or tunnel in the network based on the network heatmap.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 21, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Carlos M. Pignataro, Nagendra Kumar Nainar, Rajiv Asati
  • Patent number: 11122491
    Abstract: Techniques are provided that leverage inband metadata techniques for use in a mobile core network in order to create relevant third generation 3rd Generation Partnership Project (3GPP) control plane interfaces between virtual control plane and virtual user plane elements that can be used to instruct the virtual entities to perform various functions, collect telemetry and other data from the virtual entities and signal maintenance messages between control plane and user plane entities. One control plane interface can be used to perform holistic performance analysis functionalities and identify the better performing path and accordingly use primary path and warm paths for control plane exchanges.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: September 14, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Carlos M. Pignataro, Om Prakash Suthar, Nagendra Kumar Nainar, Rajiv Asati
  • Patent number: 11102135
    Abstract: In some aspects, a method of the technology can include steps for sending a packet along a service function chain (SFC) to an egress node, the SFC comprising a plurality of service function forwarders (SFFs), wherein each SFF is associated with at least one service function (SF), and receiving the packet at a first SFF in the SFC, wherein the first SFF is associated with a first SF. In some aspects, the first SFF can also be configured to perform operations including: reading an option flag of the packet, and determining whether to forward the packet to the first based on the option flag. Systems and machine-readable media are also provided.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: August 24, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Nagendra Kumar Nainar, Carlos M. Pignataro, Rajiv Asati
  • Publication number: 20210258771
    Abstract: A solution for selecting an optimal user Plane entity (with Control and User Plane Separation (CUPS)) per UE during seamless roaming. In one embodiment, a method is provide that is performed by a control plane entity in a mobile core network that supports inter public land mobile network (PLMN) roaming among two or more PLMNs. The method includes obtaining a create session request from an entity in a second PLMN to which a user equipment has roamed from a first PLMN; selecting a particular user plane entity among a plurality of user plane entities based on one or more user equipment related parameters; and establishing a session with the particular user plane entity to serve user plane traffic in the mobile core network for the user equipment.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Aeneas Sean Dodd-Noble, Raghavendra Vidyashankar Suryanarayanarao, Ryo Watanabe, Vivek Agarwal, Rajiv Asati, Om Prakash Suthar, Santanu Dasgupta
  • Patent number: 11082342
    Abstract: A method is provided in one example embodiment and may include receiving a packet by a forwarder in an Information-Centric Networking (ICN) network; determining Bit Index Explicit Replication (BIER) information associated with the packet; and forwarding the packet based, at least in part, on the BIER information associated with the packet. The packet can be an interest packet or a data packet received by the forwarder in the ICN network.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: August 3, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Rajiv Asati, Nagendra Kumar Nainar, Carlos M. Pignataro