Detection of overlapping subnets in a network
Granted: December 24, 2024
Patent Number:
12177077
Disclosed are systems, methods, and computer-readable media for assuring tenant forwarding in a network environment. Network assurance can be determined in layer 1, layer 2 and layer 3 of the networked environment including, internal-internal (e.g., inter-fabric) forwarding and internal-external (e.g., outside the fabric) forwarding in the networked environment. The network assurance can be performed using logical configurations, software configurations and/or hardware configurations
Self-locking and foldable ejector arm
Granted: December 24, 2024
Patent Number:
12178001
A computing device is secured in an enclosure by a locking mechanism. The locking mechanism includes a jaw, a transmission lever, and an arm. The jaw is configured to abut a portion of the enclosure for holding the computing device. The transmission lever includes an arm pivot at one end and an actuating pivot at the opposite end. The arm is configured to rotate open and closed about the arm pivot and be selectively decoupled from the transmission lever. When the arm is coupled to the…
Wireless backhauling system using a mono-tunnel for fast-moving mobile domains
Granted: December 24, 2024
Patent Number:
12177943
In one embodiment, a gateway to a Layer-3 network forms a first Layer-2 tunnel between the gateway and a first wireless access point (AP) that communicates wirelessly with a first mobile node of a mobile system (MS) via a first wireless connection. The gateway generates a mapping that associates an onboard device of the MS with the first AP and an identifier for the MS, based on traffic conveyed via the first Layer-2 tunnel and associated with the onboard device, the traffic comprising a…
Network-initiated group disconnect for wireless devices
Granted: December 24, 2024
Patent Number:
12177929
Presented herein are techniques to provide a network-initiated group disconnect for wireless devices belonging to one or more device group(s). In one example, a method may include determining, by a control element of a network, that at least one device group is to be disconnected from the network, wherein the at least one device group comprises a plurality of wireless devices connected to the network; identifying one or more access network radios through which the plurality of wireless…
Selective network slice authentication and authorization in a mobile network environment
Granted: December 24, 2024
Patent Number:
12177663
Presented herein are techniques to provide selective network slice authentication and authorization in a mobile network environment. In one example, a method may include obtaining, by an access management element of a mobile network, a registration request from a user equipment, wherein the registration request identifies a plurality of network slices with which the user equipment seeks authentication; determining that if authentication for the user equipment with a first network slice…
Traffic steering in a heterogeneous network
Granted: December 24, 2024
Patent Number:
12177651
Techniques for traffic steering are disclosed. A first signal characteristic of a first connection between an electronic device and a first wireless communications network is determined. A second signal characteristic of a second connection between the electronic device and a second wireless communications network is also determined. Based on the first signal characteristic and the second signal characteristic, the electronic device is prevented from attempting to establish the second…
Scheduling time-diced uplinks and downlinks in a dense overhead mesh of access points
Granted: December 24, 2024
Patent Number:
12177298
In one embodiment, a controller identifies access points forming an overhead mesh of access points in an area, each access point comprising one or more directional transmitters each configured to transmit a beam cone in a substantially downward direction towards a floor of the area. The controller determines coverage areas on the floor of the area for the one or more directional transmitters of the access points in the overhead mesh. The controller generates, based on the coverage areas,…
Automated, multi-cloud lifecycle management of digital identities of IoT data originators
Granted: December 24, 2024
Patent Number:
12177205
In one embodiment, an edge device of a network maintains intermediate certificates derived from root certificates of different cloud services that identify the edge device to those different cloud services. The edge device receives identity information for a particular device in the network. The edge device generates, using at least one of its intermediate certificates and the identity information for the particular device, one or more local digital identity certificates for the…
Routing network traffic based on DNS
Granted: December 24, 2024
Patent Number:
12177116
A method may include receiving a domain name system (DNS) query at a network device, where the DNS query may be associated with a traffic flow identified for rerouting through an alternative path utilizing an alternative network device instead of a default path. The method may also include rewriting the DNS query such that the DNS query is routed through the alternative network device along the alternative path and to a DNS server associated with the alternative path. The method may…
Policy utilization analysis
Granted: December 24, 2024
Patent Number:
12177097
An example method according to some embodiments includes receiving flow data for a packet traversing a network. The method continues by determining a source endpoint group and a destination endpoint group for the packet. The method continues by determining that a policy was utilized, the policy being applicable to the endpoint group. Finally, the method includes updating utilization data for the policy based on the flow data.
Power reduction for LEDs based on infrared pulsing
Granted: December 17, 2024
Patent Number:
12170841
A system is provided for reducing infrared (IR) light emitting diode (LED) power in a night mode for LED operations. The system may include an input power source, one or more LEDs coupled to the input power source, an auto-exposure controller (AEC) coupled to one or more LEDs, and one or more transistor switches coupled between the one or more LEDs and the AEC. The AEC may be coupled to an image sensor of an imaging system and may configure attributes of exposure frames for the image…
Binding flows to unique addresses or ports
Granted: December 17, 2024
Patent Number:
12170644
Techniques for binding communication flows to unique addresses and/or ports, and configuring networking devices internal to a network to apply policy without the need to further introspect a given stream. Further, by creating mappings of unique addresses and/or ports to flows, the network devices are able to enforce policy without needing to coordinate with an edge node of the network at which the communication session terminates. Further, the techniques may include providing an SDN…
Service chaining in fabric networks
Granted: December 17, 2024
Patent Number:
12170614
Techniques are described herein for service chaining in fabric networks such that hardware resources can be preserved without service nodes needing additional capabilities. The techniques may include storing a first configuration associated with a first VRF instance of a service forwarding node that is connected to a first service of a service chain sequence. The first configuration may indicate an identifier and a type associated with a second service of the service chain sequence where…
Data requesting and routing protocol in a data mesh
Granted: December 17, 2024
Patent Number:
12170612
In one embodiment, a device of a data mesh divides a data query into a first subquery and a second subquery for different data sources in the data mesh, based on query routing data associated with the device. The device performs the first subquery in the data mesh, to obtain a first subquery response. The device also performs the second subquery in the data mesh, to obtain a second subquery response. The device provides a query response that aggregates the first subquery response and the…
Sensor measurement timestamp differences
Granted: December 17, 2024
Patent Number:
12170573
In one embodiment, a device may transmit, via a network to an application, a series of sensor measurements captured by the device, each sensor measurement having an associated timestamp based on a clock of the device. The device may receive, from the application, an indication that at least a portion of the series of sensor measurement were not received by the application. The device may determine, for those sensor measurements not received by the application, timestamp differences…
Simulation of Wi-Fi signal propagation in three-dimensional visualization
Granted: December 17, 2024
Patent Number:
12170546
The present disclosure is directed to 3-D visualization of wireless signal propagation representing wireless signal strength and interference in 3-D space. The present technology can identify a plurality of access points (APs) in the 3-D space, determine a wireless signal strength for each of the plurality of APs, and determine an interference with the wireless signal strength of each of the plurality of APs, wherein the interference is caused by a neighboring AP of the plurality of APs…
Power efficient transformer-based interface circuit to interface a differential current sinking DAC to laser anode
Granted: December 17, 2024
Patent Number:
12170525
An interface circuit that interfaces a digital-to-analog converter (DAC) to a vertical-cavity surface emitting laser. The apparatus includes a first cascode amplifier that receives as input positive and negative differential outputs of the DAC and provides a positive amplified output and a negative amplified output, and a second cascode amplifier having a positive input and a negative input. The positive input of the second cascode amplifier being coupled to the positive amplified output…
Sampling and holding electrical signals with rail-to-rail equivalent output swing
Granted: December 17, 2024
Patent Number:
12170509
A sample and hold circuit providing rail-to rail equivalent output is described. The circuit includes a sample and hold amplifier containing two separate sets of sampling capacitors, one set is coupled to a PMOS transistor differential stage and the other set is coupled to an NMOS transistor differential stage. The differential stages drive a current mirror based push-pull output differential stage to provide an output signal with ranges equivalent to a rail-to rail output signal swing.
Optical waveguide passivation for moisture protection
Granted: December 10, 2024
Patent Number:
12164150
In part, in one aspect, the disclosure relates to a method for passivating a waveguide of an optical circuit. The method includes etching a suspended waveguide in the optical circuit; the suspended waveguide having a top surface, a bottom surface, and side surfaces; and covering the top surface and side surfaces of the suspended waveguide with a passivation coating having a thickness that ranges from between about 10 nm to about 20 nm. In one embodiment, the method further includes…
Efficient handling of fragmented packets in multi-node all-active clusters
Granted: December 10, 2024
Patent Number:
12166675
An efficient method to handle fragmented packets in multi-node all-active clusters. In one particular embodiment, a method includes receiving an initial fragment packet at a node in a cluster, creating a secondary flow table, linking the secondary flow table to a primary flow table, determining the primary flow owner of the initial fragment packet, and transmitting initial and succeeding fragment packets out of the cluster through, if possible, the primary flow owner.
