Secured advertisement of autoconfigured internet protocol prefixes in a cloud environment
Granted: February 4, 2025
Patent Number:
12218908
Systems, methods, and computer-readable media are provided for securely advertising autoconfigured prefixes in a cloud environment. In some examples, a method can include, receiving, by a first router, an indication of an available network address prefix. In some aspects, the method can also include selecting, by the first router, a first network address prefix that is within the available network address prefix, wherein the first network address prefix provides at least one route to one…
Traffic-based automated session tests
Granted: February 4, 2025
Patent Number:
12218819
In one embodiment, an example process herein may comprise: monitoring real-time user traffic activity; determining a set of one or more current servers corresponding to the real-time user traffic activity; associating the real-time user traffic activity to one or more user processes; mapping the one or more user processes to a particular application; and configuring one or more tests directed to the set of one or more current servers for the particular application.
System and method for continuous in-line monitoring of data-center traffic
Granted: February 4, 2025
Patent Number:
12218815
Disclosed is a method for continuous in-line monitoring of data-centric traffic to guarantee application performance. The method includes, in each switch of a plurality of switches in a network fabric, grouping all packets entering each respective switch of the plurality of switches based on either 5-tuple applications or EPG based applications, collecting performance statistics at every hop in the network fabric across all flows in-line in a flow table maintained in each respective…
Transmission of pulse power and data in a communications network
Granted: February 4, 2025
Patent Number:
12218770
In one embodiment, a method includes transmitting pulse power on two wire pairs, the pulse power comprising a plurality of high voltage pulses with the high voltage pulses on the wire pairs offset between the wire pairs to provide continuous power, performing low voltage fault detection on each of the wire pairs between the high voltage pulses, and transmitting data on at least one of the wire pairs during transmittal of the high voltage pulses. Data transmittal is suspended during the…
Large scale privacy-preserving speech recognition system using federated learning
Granted: February 4, 2025
Patent Number:
12217741
A method for implementing a privacy-preserving automatic speech recognition system using federated learning. The method includes receiving, from respective client devices, at a cloud server, local acoustic model weights for a neural network-based acoustic model of a local automatic speech recognition system running on the respective client devices, wherein the local acoustic model weights are generated at the respective client devices without labelled data, updating a global automatic…
Integrated service mesh control plane management
Granted: January 28, 2025
Patent Number:
12212602
This disclosure describes an integrated management method to manage a service mesh data plane over a network fabric. The method includes determining at least one service mesh data plane policy for a microservice of a service mesh. The method further includes sending, over the network fabric, the at least one service mesh data plane policy to a virtual router associated with the microservice based at least in part on connectivity information maintained by a network fabric control plane…
Intelligent dynamic air baffle
Granted: January 28, 2025
Patent Number:
12213276
A dynamic air baffle comprises: spaced-apart first and second plates configured to be positioned adjacent to at least one heat source to be cooled by an airflow; a heat insulator sandwiched between the first and second plates; and an air flap coupled to the first and second plates and extending into the airflow; wherein the first and second plates are configured such that a differential temperature between the first and second plates causes a differential expansion in lengths of the…
Slice resource management for reducing the negative impacts of slice quotas
Granted: January 28, 2025
Patent Number:
12213095
A mobile network is operative to perform a quota validation procedure in relation to a maximum number of user equipments (UEs) permitted in a network slice. In one illustrative example, a control plane (CP) function of the mobile network may receive, from the UE, a message which indicates a registration request for registration and includes a slice ID of the network slice. The CP function may manage a registration procedure for assigning resources of the network slice to the UE. The CP…
Observing virtual connectivity reactivity upon mobility events
Granted: January 28, 2025
Patent Number:
12213052
In one embodiment, an illustrative method herein may comprise: receiving, at a first edge device, a direct indication from a second edge device that a mobile device has moved from the first to the second edge device; determining, based on the direct indication, a first time at which the mobile device attached to the second edge device; receiving a network routing update message indicative of a routing update for the mobile device having moved to the second edge device; determining, based…
In-band metadata for authenticity and role-based access in enterprise video streaming services
Granted: January 28, 2025
Patent Number:
12212819
A device receives a video stream, where one or more frames of the video stream include embedded metadata that is embedded directly into the one or more frames. The device extracts the embedded metadata from the one or more frames. The device makes an authentication determination regarding the video stream, based on whether the embedded metadata includes a digital signature associated with a sender of the video stream. The device controls, based on the authentication determination,…
Conferencing device
Granted: January 28, 2025
Patent Number:
D1059328
Device address rotation management protocol for a wireless local area network
Granted: January 28, 2025
Patent Number:
12212542
Techniques herein facilitate a device address rotation management protocol that may be implemented for a wireless local area network (WLAN), which can be used to influence when wireless client devices or stations may rotate their Media Access Control (MAC) addresses, how to perform such rotations, and/or the like. In one example, a method may include providing, by an access point (AP), a first communication indicating that the AP supports a MAC address rotation management protocol;…
Device address rotation authorization and verification
Granted: January 28, 2025
Patent Number:
12212541
An authorization device obtains a registration request associated with an end device, the registration request including a new randomized media access control (MAC) address associated with the end device; determines whether the end device is authorized to use the new randomized MAC address; transmits a message to the end device with a first randomly generated number when it is determined that the end device is authorized to use the new randomized MAC address; obtains integrity…
Hierarchical provisioning of network devices
Granted: January 28, 2025
Patent Number:
12212540
Automated techniques for converting network devices from a Layer 2 (L2) network into a Layer 3 (L3) network in a hierarchical manner are described herein. The network devices may be configured to boot such that their ports are in an initialization mode in which the ports are unable to transmit locally generated DHCP packets. When a network device detects that a neighbor (or “peer”) device has acquired an IP address or has been configured by a network controller, then the port on…
Inducing delay from a peer node to quantify latency-based behavior
Granted: January 28, 2025
Patent Number:
12212493
Techniques and architecture are described for inducing precise delays in a network device (network node) that has the capability to act on packets/traffic flows based on policy configurations of the network device and delays experienced by traffic in the network device. This capability may be used for testing and verification of the network device to verify that the network device meets the configured policies. Additionally, this capability may be utilized in an operational network to…
Multicasting within a mutual subnetwork
Granted: January 28, 2025
Patent Number:
12212485
A method may include bridging in, via a fabric, a multicast data packet from a source device to a first edge device of a plurality of edge devices and flooding the multicast data packet to the plurality of edge devices within a mutual subnetwork of the fabric. The method further includes bridging out the multicast data packet from a second edge device of the plurality of edge devices to a receiving device. The source device and the receiving device are located within the mutual…
End-to-end distributed tracing with external telemetry data
Granted: January 28, 2025
Patent Number:
12212477
Techniques are described for generating an end-to-end distributed trace in connection with a cloud or datacenter environment. In one example, a server obtains target application telemetry data and external telemetry data associated with one or more correlation identifiers included in one or more network communications provided to a target application in the cloud or datacenter environment. The server aggregates the target application telemetry data and the external telemetry data based…
Method and system for managing network-to-network interconnection
Granted: January 28, 2025
Patent Number:
12212434
This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in…
Systems and methods for preventing solicited-node multicast address collisions
Granted: January 28, 2025
Patent Number:
12212427
A method includes receiving, at a first edge node, an Internet Protocol (IP) multicast address of a first silent host node. The method further includes receiving, at a second edge node, an IP multicast address of a second silent host node. The IP multicast address of the first silent host node is equal to the IP multicast address of the second silent host node. The method further includes storing the IP multicast address of the first and second silent host node in a shared entry of a…
Configurable bi-directional airflow fan
Granted: January 28, 2025
Patent Number:
12209596
Various devices, systems, and methods are described herein that provide bi-directional, and even multi-directional airflow within fan systems. These fan systems can be utilized by devices such as datacenter switches to change from one direction of airflow (such as port side inlet) to another direction (such as port side exhaust). This can be done manually by having a multi-directional fan housed within an enclosure that provides access through a hatch door. The multi-directional fan can…
