Systems and methods to optimize non-3GPP untrusted WI-FI to new radio evolved packet system fallback handover
Granted: March 11, 2025
Patent Number:
12250597
The present technology is generally directed to optimizing a non-3GPP untrusted Wi-Fi to 5G system handover followed by Evolved Packet System (EPS) fallback, more specifically, to delaying removal of the Wi-Fi session resources and creating a voice flow as part of the EPS fallback. The present technology can receive a request for an EPS fallback from a mobile device for a handover to a 5G network while the mobile device is in communication over non-3GPP access network, maintain one or…
Encrypted nonces as rotated device addresses
Granted: March 11, 2025
Patent Number:
12250538
Rotation of a wireless client device address is based on an encryption key and a nonce value. Key information and nonce value information are shared between a wireless client device and a network infrastructure component over a secure communication channel. The wireless client device encrypts the nonce value using the key information and encodes the encrypted value as a device address. The wireless client device then identifies itself via a source address value in a message transmitted…
ASIC identity auto-provisioning
Granted: March 11, 2025
Patent Number:
12250319
In one embodiment, a method to authenticate a hardware component, by a system, includes performing a verification process to determine whether the hardware component is authorized to run on the system. The hardware component comprises an electronic fuse storing a hash of a data package and a memory storing the data package, wherein the electronic fuse is configured to provide the hash to the memory. The verification process comprises transmitting a random value (K) to the hardware…
Techniques for device to device authentication
Granted: March 11, 2025
Patent Number:
12250215
This disclosure describes techniques for device to device authentication. For instance, a first device may detect a second device, such as when a user physically attaches the second device to the first device or when the second device wireless communicates with the first device. A component of the first device and/or an authentication entity may then determine to authenticate the second device. In some instances, the component determines to authenticate the second device using…
Intuitive graphical network mapping based on collective intelligence
Granted: March 11, 2025
Patent Number:
12250135
In one embodiment, a method comprises: obtaining, by a process, path trace data collected by a plurality of performance monitoring agents across a computer network; obtaining, by the process, one or more catalogs having application-based correlation information for the path trace data; generating, by the process, network mapping directed graphs by correlating the path trace data using the one or more catalogs, the network mapping directed graphs logically comprising nodes categorized at…
Coherent optical module for short reach communications
Granted: March 11, 2025
Patent Number:
12250101
Disclosed is a coherent optical transceiver for optical communication including a transmitter, a receiver, and a PIC. The transmitter includes a DAC and a driver. A modulator in the PIC limits a signal spectrum of an output optical signal within a Nyquist frequency band. The receiver receives an input optical signal from the PIC and converts the input optical signal to an input analog electrical signal. An ADC converts the input analog electrical signal into an input digital electrical…
Simplifying configuration of metrics with data preview
Granted: March 11, 2025
Patent Number:
12248666
In one embodiment, a device identifies a set of attributes from telemetry data generated by one or more agents regarding an online application accessible via a network. The device provides an interactive display to a user interface that includes options for a user to specify a selection of one or more attributes from the set of attributes and to specify an aggregation function. The device updates the interactive display to show a visualization of the aggregation function applied to the…
Automatic retraining of machine learning models to detect DDoS attacks
Granted: March 4, 2025
Patent Number:
12244640
In one embodiment, a device in a network receives an attack mitigation request regarding traffic in the network. The device causes an assessment of the traffic, in response to the attack mitigation request. The device determines that an attack detector associated with the attack mitigation request incorrectly assessed the traffic, based on the assessment of the traffic. The device causes an update to an attack detection model of the attack detector, in response to determining that the…
Adaptive load balancing in a satellite network
Granted: March 4, 2025
Patent Number:
12245080
According to an embodiment, a node comprises one or more processors operable to execute instructions to cause the node to perform operations. The operations comprise determining a link quality associated with each satellite link of a plurality of satellite links and applying load balancing to the plurality of satellite links. The load balancing is based at least in part on the respective link quality associated with each satellite link. The load balancing comprises determining which of…
Directional audio pickup guided by face detection
Granted: March 4, 2025
Patent Number:
12245015
Presented herein are techniques to enhance the audio portion of a video conference. In one embodiment, a method includes determining, using a multi-microphone array, a direction of arrival of sound signals from a user, detecting, using an image from a camera, a face of the user, determining a position of the face of the user with respect to a position of the camera, and forming a spatial beam for the multi-microphone array based on the direction of arrival of sound signals from the user…
Intent-based chaos level creation to variably test environments
Granted: March 4, 2025
Patent Number:
12242370
A method includes receiving, at a chaos level engine, initial input parameters. The method may further include, with the chaos level engine, determining scaled input parameters based on the initial input parameters. The scaled input parameters define how the initial input parameters effect a computing environment to be tested. The method may further include, with the chaos level engine determining a chaos level for performing a chaos experiment on the computing environment based on the…
Prioritizing assets using security metrics
Granted: March 4, 2025
Patent Number:
12244616
This disclosure describes techniques for identifying the criticality of an asset in a network. In an example method, a first security metric of a first asset in a network, as well as network data that identifies data flows associated with a second asset in the network are identified. The second asset is a nearest neighbor of the first asset in the network. The method includes determining, based on the network data, a number of hosts in the network that exchanged data traffic with the…
Algorithm to detect malicious emails impersonating brands
Granted: March 4, 2025
Patent Number:
12244562
Techniques for an email-security system to screen emails, extract information from the emails, analyze the information, assign probability scores to the emails, and classify the emails as likely fraudulent or not. The system may analyze emails for users and identify fraudulent emails by analyzing the contents of the emails. The system may evaluate the contents of the emails to determine probability score(s) which may further determine an overall probability score. The system may then…
Enforcement of inter-segment traffic policies by network fabric control plane
Granted: March 4, 2025
Patent Number:
12244560
This disclosure describes techniques to operate a control plane in a network fabric. The techniques include determining a stateless rule corresponding to communication between a first segment of the network fabric and a second segment of the network fabric. The techniques further include configuring the control plane to enforce the stateless rule.
Seamless device address rotation
Granted: March 4, 2025
Patent Number:
12244559
Techniques are provided that rotate a device address used to identify a wireless client device on a wireless network. The wireless client device and at least one network infrastructure component identify a plurality of device addresses associated with the wireless client device. In some embodiments, the plurality of device addresses are generated via a corresponding plurality of invocations of a stateful random number generator, such as a cryptographically secure pseudorandom number…
PIM proxy over EVPN fabric
Granted: March 4, 2025
Patent Number:
12244509
A system and associated methods provide solutions for reducing a volume of traffic through a multicast network attributed to repeated maintenance messages, which are required in order to maintain a multicast connection. The system configures provider edge devices to generate and send maintenance messages on behalf of members of a multicast group to establish and maintain the multicast connection and provides options for determining unknown locations of sources and/or subscribers, thereby…
IP-based forwarding of bridged and routed IP packets and unicast ARP
Granted: March 4, 2025
Patent Number:
12244496
Disclosed herein are methods of forwarding data over an IP network. The methods may include receiving a packet from a source host connected to the IP network, identifying the IP address of a destination host designated in the packet, determining the location on the IP network where the destination host designated by the packet is connected, without reference to the MAC address specified in the packet, by using location-identification information stored on the IP network, and forwarding…
Predictive system for optimizing API behaviors
Granted: March 4, 2025
Patent Number:
12244473
The disclosure relates to a system and method of optimizing one or more paths between an Application Programing Interface (API) gateway and one or more endpoints. Properties associated with each of a plurality of paths between at least one device and an API gateway are collected, and the properties associated with each of the plurality of paths are monitored to determine a current level of performance for each of the paths. Using gathered data, the API gateway can then analyze, using…
Method and system for network segmentation using safety integrity level (SIL)
Granted: March 4, 2025
Patent Number:
12244450
Embodiments relate to a method for enhancing and prioritizing operation technology (OT) control systems in a safety instrumented system (SIS) environment by incorporating safety levels. The method includes receiving network packets associated with OT systems by network interface. From network packets, OT systems associated with safety integrity level (SIL) values are identified. In response to identifying OT control systems associated with SIL values, determining priority levels from SIL…
Channel selection for dynamic-frequency-selection channels using puncturing
Granted: March 4, 2025
Patent Number:
12244412
An access point in a wireless network communicates wirelessly with one or more client devices over a channel that includes a plurality of subchannels. Radar is detected on a first subchannel of the plurality of subchannels. It is determined to puncture the first subchannel, based on the detecting the radar on the first subchannel and based on one or more puncturing factors. The first subchannel is punctured, the puncturing comprising muting one or more subcarriers on the first…
