Patents Assigned to Cisco Technology
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Patent number: 11799727Abstract: The present technology addresses a need to automatically configure a new compute resource to join an existing cluster of computing resources. The present technology provides a mechanism to ensure that the new compute resource is executing the same kernel version which further permits subsequent exchange at least one configuration message informing the new compute resource of necessary configuration parameters and an address to retrieve required software packages.Type: GrantFiled: September 22, 2021Date of Patent: October 24, 2023Assignee: Cisco Technology, Inc.Inventors: Ravi Kumar Vadapalli, Kousik Nandy, Daniel Khoe, Ramesh Nethi
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Patent number: 11799857Abstract: Disclosed are methods, systems, and non-transitory computer-readable storage media for evaluating software posture as a condition of zero trust access. The present technology provides a client-side validation agent and a validation service which in tandem can capture and evaluate data representative of parameters associated with an application executing on a user device. The validation service can validate the application to a networked service, and in turn the networked service can permit communication to the application running on the user device.Type: GrantFiled: August 31, 2021Date of Patent: October 24, 2023Assignee: Cisco Technology, Inc.Inventors: Frank Michaud, Peshan Sampath Kalu Marakkala
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Patent number: 11799751Abstract: In one embodiment, a method comprises: joining, by a network device, a network topology rooted by a root network device in a data network, and in response transmitting an advertisement indicating a position of the network device in the network topology; suppressing a second transmission based on initiating a deferred transmission operation in response to transmitting the advertisement; maintaining the deferred transmission operation to enable a prescribed minimum number of other network devices to join the network topology at respective identified lower positions than the position of the network device; and changing, by the network device, from the deferred transmission operation to an accelerated operation in response to expiration of a prescribed deferral interval or detecting the prescribed minimum number of other network devices having the respective identified lower positions, the accelerated operation enabling the network device to initiate transmission of a data packet before the other network devices.Type: GrantFiled: August 24, 2021Date of Patent: October 24, 2023Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Li Zhao, Huimin She, Chuanwei Li
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Patent number: 11800422Abstract: In one embodiment, an earthbound transceiver in a low earth orbit (LEO) satellite network establishes a connection with a first LEO satellite from a first set of LEO satellites. The first set of LEO satellites are distributed across a first plurality of orbits including first neighboring LEO satellites of the first LEO satellite, and the first neighboring LEO satellites have a fixed or semi-fixed position relative to the first LEO satellite. The earthbound transceiver determines first signal strength values associated with the first set of LEO satellites and second signal strength values associated with a second set of LEO satellites. The earthbound transceiver then periodically compares the first signal strength values to the second signal strength values. At an optimal handoff time, the earthbound transceiver initiates the handoff operation from the first LEO satellite to a second LEO satellite from the second set of LEO satellites.Type: GrantFiled: July 30, 2021Date of Patent: October 24, 2023Assignee: Cisco Technology, Inc.Inventors: Arman Rezaee, Ali Sajassi, Alessandro Erta, Elango Ganesan, Pradeep Kumar Kathail
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Patent number: 11796888Abstract: Methods and systems for a vertical junction high-speed phase modulator are disclosed and may include a semiconductor device having a semiconductor waveguide including a slab section, a rib section extending above the slab section, and raised ridges extending above the slab section on both sides of the rib section. The semiconductor device has a vertical pn junction with p-doped material and n-doped material arranged vertically with respect to each other in the rib and slab sections. The rib section may be either fully n-doped or p-doped in each cross-section along the semiconductor waveguide. Electrical connection to the p-doped and n-doped material may be enabled by forming contacts on the raised ridges, and electrical connection may be provided to the rib section from one of the contacts via periodically arranged sections of the semiconductor waveguide, where a cross-section of both the rib section and the slab section in the periodically arranged sections may be fully n-doped or fully p-doped.Type: GrantFiled: July 26, 2021Date of Patent: October 24, 2023Assignee: Cisco Technology, Inc.Inventors: Attila Mekis, Subal Sahni, Yannick De Koninck, Gianlorenzo Masini, Faezeh Gholami
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Patent number: 11799528Abstract: A method includes measuring an interference caused by a first radio in a multi-link device to a second radio of the multi-link device and in response to determining that the interference exceeds a threshold, repeatedly narrowing a transmission beam width of the first radio until the interference falls below the threshold.Type: GrantFiled: July 1, 2021Date of Patent: October 24, 2023Assignee: Cisco Technology, Inc.Inventors: Sivadeep R. Kalavakuru, Ardalan Alizadeh, Gautam D. Bhanage, Matthew A. Silverman
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Patent number: 11800578Abstract: Presented herein is a method that may include obtaining, by a session management node associated with a data session of a user equipment, an indication that an error has occurred at an endpoint of a first tunnel of the data session for the user equipment, the data session having a plurality of flows associated with the first tunnel and a second tunnel; transmitting, to an access and mobility management function (AMF), a request to modify resources for a first plurality of flows associated with the first tunnel; obtaining, from the AMF, a response including an indication of a new tunnel assigned to the first plurality of flows; and transmitting a request to a user plane function (UPF) including an identifier associated with the new tunnel for the first plurality of flows to facilitate transmitting data associated with the first plurality of flows over the new tunnel.Type: GrantFiled: October 28, 2021Date of Patent: October 24, 2023Assignee: CISCO TECHNOLOGY, INC.Inventors: Ravi Sankar Mantha, Sandeep Dasgupta, Sateesh Reddy Mommidi
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Publication number: 20230333264Abstract: Collaborative geolocation estimation may be provided. A plurality of access points (APs) may receive a geolocation estimation request from a controller. Next, one or more of the plurality of APs may receive signals from a plurality of satellites. The controller may then receive the signals from the plurality of APs. The controller may determine a collaborative geolocation estimation using the signals, wherein, when relative locations of the APs are available, determining the geolocation estimation comprises applying the relative locations. One or more of the plurality of APs may receive the geolocation estimation from the controller.Type: ApplicationFiled: October 19, 2022Publication date: October 19, 2023Applicant: Cisco Technology, Inc.Inventors: Peiman Amini, Ardalan Alizadeh, Vishal Desai
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Publication number: 20230337390Abstract: An air mover may be provided. The air mover may comprise an air mover motor shaft, a bearing, a bearing housing, a circuit board, an accelerometer device, a temperature sensing device, and a controller. The air mover motor shaft may be associated with a motor. The bearing housing may support the bearing that supports rotation of the air mover motor shaft. The circuit board may be attached to the bearing housing. The accelerometer device may be disposed on the circuit board. The temperature sensing device may be disposed on the circuit board wherein the temperature sensing device may be located on the circuit board in order to obtain a temperature of the bearing housing. The controller may be disposed on the circuit board and may be operative to control the motor, collect vibration data from the accelerometer device, and collect temperature data from the temperature sensing device.Type: ApplicationFiled: April 13, 2022Publication date: October 19, 2023Applicant: Cisco Technology, Inc.Inventors: Phong Hoang Ho, Niels-Peder M. Jensen, Stephen Aubrey Scearce, Robert Vincent Grimes, Lauren Ashleigh Buck
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Patent number: 11792042Abstract: Interworking between different layer two (L2) medias using network tunnels is provided by receiving, at a virtual gateway network element (GNE), a packet from a first L2 media type network for transmission to a second L2 media type network under the control of a different entities, wherein the first and second L2 media type networks are incompatible for direct packet transmission; removing, at the virtual GNE, ethernet encapsulation from the packet; re-encapsulating, at a network device located between the virtual GNE and a packet network, the packet in a multi-protocol label switching (MPLS) encapsulation; forwarding, over the packet network, the packet from the network device to a digital communication channel (DCC) associated with the second L2 media type network; replacing, at the DCC, the MPLS encapsulation with a link access protocol (LAP) encapsulation; and transmitting the packet encapsulated with the LAP encapsulation to the second L2 media type network.Type: GrantFiled: April 29, 2021Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Christian Schmutzer, Onkar R. Deshpande, Patrick J. Cunningham
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Patent number: 11792658Abstract: Wireless infrastructure upgrading may be provided. An Access Point (AP) may be caused to decline new association requests received from client devices not associated with the AP. Next, the AP may be caused to instruct client devices associated with the AP that detect a signal level from the AP to be below their roaming margin to roam away from the AP. Then the power of the signal level from the AP may be decreased by a predetermined amount. Causing the AP to instruct client devices associated with the AP that detect the signal level from the AP to be below their roaming margin to roam away from the AP and decreasing the power of the signal level from the AP may be repeated until the power of the signal level from the AP is at a predetermined level.Type: GrantFiled: August 28, 2020Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Vinay Saini, Ankush Ganpatrai Arora, Midhun Kumar Gundavarapu, Jerome Henry
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Patent number: 11792866Abstract: Various implementations disclosed herein include systems, methods and apparatuses of a first device, that obtain contact point information of a second device associated with the first device, as a peer device in a private network, where the contact point information of the second device includes one or more peer uplink identifiers and each respective peer uplink identifier corresponds to a respective peer device uplink of the second device. The systems, methods and apparatuses establish a first private network data tunnel from a first uplink of the first device to the second device, using the contact point information of the second device, and a first uplink identifier associated with the first uplink, and establish a second private network data tunnel from a second uplink of the first device to the second device, using the contact point information of the second device, and a second uplink identifier associated with the second uplink.Type: GrantFiled: October 4, 2022Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Robert Tristan Shanks, Jignesh Devji Patel, Patrick Douglas Verkaik, Selahattin Daghan Altas, Joseph Morgan Aronow, Justin Delegard, Dylan Jason Koenig
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Patent number: 11792634Abstract: Presented herein are techniques to facilitate visited network selection by a user equipment (UE) based on slice considerations. In one example, a method may include requesting, by a UE that is roaming among a plurality of visited mobile networks, registration for a network connection associated with a slice type; obtaining, by the UE from home mobile network for the UE, a priority for each of the plurality of visited mobile networks and an indication of one or more slice types provided by each of the plurality of visited mobile networks; selecting, by the UE, a highest priority visited mobile network of the plurality of visited mobile networks that provides the slice type; and establishing, by the UE, the network connection with the highest priority visited mobile network of the plurality of visited mobile networks that provides the slice type.Type: GrantFiled: August 16, 2021Date of Patent: October 17, 2023Assignee: CISCO TECHNOLOGY, INC.Inventors: Srinath Gundavelli, Vimal Srivastava
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Patent number: 11792236Abstract: Techniques and mechanisms for Fifth Generation (5G) system (5GS) failure detection monitoring of an application or control function in a network for efficient restoration of service are described. The network may be an Internet Protocol (IP) Multimedia Subsystem (IMS) network, and the voice or data service may be an IMS service that utilizes Session Initiation Protocol (SIP) signaling. The application or control function may be a Proxy-Call Session Control Function (P-CSCF) of the IMS network. In some implementations, the procedure may involve a session management function (SMF) programming of a user plane function (UPF) for UPF monitoring of the P-CSCF, using a ping procedure or health check procedure (e.g. for 3GPP Pre-Release 16). In other implementations, the procedure may involve the SMF monitoring of a P-CSCF via a Network Function (NF) Repository Function (NRF) (e.g. for 3GPP Release 16).Type: GrantFiled: January 20, 2021Date of Patent: October 17, 2023Assignee: CISCO TECHNOLOGY, INC.Inventors: Vivek Agarwal, Rajaneesh Sudhakar Shetty, Raghavendra Suryanarayanarao Vidyashankar, Arun Gunasekaran, Filipe Alexandre Da Silva Rodrigues
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Patent number: 11792065Abstract: Methods and devices provide fault injection testing techniques in a production network environment without risking service outages for hosted computing services, by providing examples of a remote network controller configured to communicate with network devices of a network; a remote fault injection communication protocol configuring a remote network controller in communication with a network device to signal a failure injection; and a failure injection module configuring a network device to configure a network device processor to implement a failure injection signaled according to the remote failure injection communication protocol. The method includes a network controller transmitting a failure injection signal in a control plane packet over a network connection to a network device, and the network device creating a child process by executing, in a dedicated runtime environment, a copy of one or more processes impacted by a parsed failure type.Type: GrantFiled: February 17, 2022Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Nagendra Kumar Nainar, Jaganbabu Rajamanickam, David John Zacks, Carlos M. Pignataro, Madhan Sankaranarayanan, Cesar Obediente, Craig Thomas Hill
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Patent number: 11791868Abstract: An operator may enhance radio resource management with beamwidth selection and beamsteering by receiving coverage data for a plurality of access points (APs) in a wireless network; calculating an antenna arrangement for the plurality of APs based on the coverage data, wherein the antenna arrangement covers a designated area in an environment; and configuring each AP of the plurality of aps according to the antenna arrangement by: setting a steering angle for adjustable antennas of the plurality of APs, setting a transmission power for the adjustable antennas; and setting a beamwidth of the adjustable antennas.Type: GrantFiled: October 20, 2021Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Santosh B. Kulkarni, Vishal S. Desai, Pooya Monajemi, Young Il Choi
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Patent number: 11792230Abstract: Techniques for expressing, communicating, de-conflicting, and enforcing consistent access policies between an IBN architecture and a Cloud-Native architecture. Generally, network administrators and/or users of a Cloud-Native architecture and an IBN architecture express access policies independently for the two different domains or architectures. According to the techniques described herein, a Network Service Endpoint (NSE) of the Cloud-Native architecture may exchange access policies with a network device of the IBN architecture. After exchanging access policies, conflicts between the sets of access policies may be identified, such as differences between allowing or denying communications between microservices and/or applications. The conflicts may be de-conflicted using various types of heuristics or rules, such as always selecting an access policy of the IBN architecture when conflicts arise.Type: GrantFiled: September 13, 2021Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Thomas Szigeti, David J. Zacks, Walter Hulick, Shannon McFarland
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Patent number: 11791554Abstract: Flexible radio assignment with beamsteering antennas is provided by controlling a plurality of Access Points (APs) including steerable antennas to each transmit a first plurality of discovery frames at a first beamwidth; controlling the plurality of APs to steer the steerable antennas at a second beamwidth, less than the first beamwidth, to a plurality of steering angles; controlling the plurality of APs to each transmit a second plurality of discovery frames at each steering angle of the plurality of steering angles; determining an overlap in radio coverage among the plurality of APs based on the first plurality and the second plurality of discovery frames; and identifying redundant radios based on the overlap in radio coverage; and reassigning the redundant radios from use for client transmissions to a secondary role.Type: GrantFiled: December 2, 2021Date of Patent: October 17, 2023Assignee: Cisco Technology, Inc.Inventors: Santosh B. Kulkarni, Vishal S. Desai, Pooya Monajemi, Young Il Choi
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Publication number: 20230328624Abstract: Optimal determination of wireless network pathway configurations may be provided. A computing device may detect, at a first network Access Point (AP), inference on a channel with a second AP. Then, the computing device can check availability of a redundant radio at the second AP. Based on the availability, the computing device can establish a new radio link with the redundant radio at the second AP and reroute data traffic over the new radio link to the second AP. After establishing the new radio link, the computing device can then sever the channel with the second AP.Type: ApplicationFiled: June 12, 2023Publication date: October 12, 2023Applicant: Cisco Technology, Inc.Inventors: Gautam D. Bhanage, Vishal Satyendra Desai, Ardalan Alizadeh, Khashayar Mirfakhraei
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Publication number: 20230328142Abstract: Preserving transmission properties of real-time scenes in an environment when an increasing number of users join a session may be provided. A plurality of metrics associated with transmission of scenes having a Coarse Grain (CG) layer and a Fine Grain (FG) layer may be determined. Then a current client, based on a first one of a plurality of metrics, may be revoked. One of the following may then be performed: blocking a new client based on a second one of a plurality of metrics; and allowing the new client based on the second one of a plurality of metrics.Type: ApplicationFiled: May 31, 2023Publication date: October 12, 2023Applicant: Cisco Technology, Inc.Inventors: Malcolm Muir SMITH, Sergio MENA, Lorenzo GRANAI, Jerome HENRY