Method and apparatus for network time syncing
Granted: April 16, 2024
Patent Number:
11962403
A method of operating a network having one or more nodes which are in communication with a server, the server including or being in communication with a high precision time source, to estimate a time delay between the server and each node is provided. The method includes initiating a delay request from the server which is transported over a physical layer to the node, the server receiving a delay response from the node receiving the delay request, wherein a timestamp for the delay…
Guest onboarding of devices onto 3GPP-based networks with use of realm-based discovery of identity providers and mutual authentication of identity federation peers
Granted: April 16, 2024
Patent Number:
11962585
A Third Generation Partnership Project (3GPP) based network, such as an enterprise private 3GPP network, is operative to provide a guest onboarding of a device using a realm-based discovery of an identity provider and a mutual authentication of identity federation peers. A secure connection may be established between the peers so that the device may be authenticated based on credentials associated with a Subscriber Identity Module (SIM) provided by its Mobile Network Operator (MNO).…
Address rotation aware dynamic host control protocol
Granted: April 16, 2024
Patent Number:
11962567
A method comprises, at a wireless network controller of wireless access points through which wireless client devices that are wireless communicate with the controller: upon receiving, from a wireless client device, a dynamic host configuration protocol (DHCP) request having a media access control (MAC) address, determining whether the wireless client device rotated its MAC address from a previous MAC address to the MAC address; when the wireless client device rotated its MAC address,…
Packet deduplication
Granted: April 16, 2024
Patent Number:
11962516
Techniques to eliminate duplicate packets from a stream of packets. A method includes receiving a packet, hashing elements of the packet to obtain a packet partial signature, generating an action data value by appending, to the packet partial signature, unhashed packet information, accessing a hash store location in a hash store based on the action data value, determining, based on data stored at the hash store location, whether the packet is a duplicate of a previously-received packet,…
Symmetric networking for orphan workloads in cloud networks
Granted: April 16, 2024
Patent Number:
11962498
Symmetric networking techniques disclosed herein can be applied by gateway routers in cloud networks. The techniques can ensure that both outbound traffic received at a cloud from a branch device and return traffic directed from the cloud back to the branch device are processed by a same gateway router. The gateway router can use network address translation to insert IP addresses from an inside pool and an outside pool assigned to the router.
Supporting multipath transmission control protocol subflows using multipath links
Granted: April 16, 2024
Patent Number:
11962488
Supporting Multipath Transmission Control Protocol (MPTCP) subflows using multipath links, and more specifically supporting MPTCP subflows using Wi-Fi Multi-Link Operation (MLO) or cellular multi-link support may be provided. A multipath link may be established between an Access Point (AP) and a station (STA). The STA may mark the multipath link as Multipath Transmission Control Protocol (MPTCP) capable. Next, a request for an addition of a MPTCP subflow may be received. In response to…
Virtual network function proof of transit
Granted: April 16, 2024
Patent Number:
11962473
Techniques for monitoring data transport in a network virtualization function chain (chain). A path tracing packet is generated having a Midpoint Compressed Data (MCD) to collect path tracing information of the chain. The network virtualization function node is configured to record an MCD containing Wide Local Path Tracing Identification (WL PT ID). The WL PT ID includes a first field having a value that indicates that a non-standard path tracing format is to be used and a second field…
Identifying devices and device intents in an IoT network
Granted: April 16, 2024
Patent Number:
11962469
According to one or more embodiments of the disclosure, an asset inventory service executed by one or more devices receives telemetry data collected passively by a sensor application regarding a node in a network. The asset inventory service requests, after receiving the telemetry data, that the sensor application perform active discovery of nodes in the network. The asset inventory service receives active discovery data collected by the sensor application via active discovery of nodes…
Systems and methods to dynamically reprovision network devices in a predefined area
Granted: April 16, 2024
Patent Number:
11962461
A system and a method to dynamically reprovision network devices may include a first network device configured to reprovision a second network device in accordance with a specific location of the second network device in a predefined area. The first network device may be configured to sense the second device at the specific location in the predefined area, identify reprovisioning parameters associated with the specific location, and provide the reprovisioning parameters to the second…
Sharing transport interfaces between tenants on multi-tenant edge devices
Granted: April 16, 2024
Patent Number:
11962429
Techniques for virtualizing tenant transport interfaces configured to implement per-tenant network routing attribute differentiation in each tenant overlay of a multisite wide area network (WAN) and share the virtual transport interfaces between multi-tenant edge (MTE) devices providing transport services to tenant devices based on a defined tenant tier model. A Software-Defined Networking (SDN) controller may receive a physical transport interface and/or a device type associated with a…
Network automation and orchestration using state-machine neural networks
Granted: April 16, 2024
Patent Number:
11961006
Techniques for orchestrating a workflow for configuring a computer networking environment or other complex workflows are described. A Directed Acyclic Graph (DAG) that defines a plurality of tasks to be executed to complete the workflow and a plurality of orders between the tasks is received. Embodiments generate a State-Machine Neural Network (SNN) based on the received DAG, by generating a plurality of SNN neurons for the SNN, based on the plurality of tasks within the received DAG and…
Thermal isolation element
Granted: April 16, 2024
Patent Number:
11960154
Thermal isolation elements are provided in wafer-bonded silicon photonics that include a photonic platform, including a heating element and an optical waveguide that are disposed between a first surface and a second surface (opposite to the first surface) of the photonic platform; a substrate, including a third surface and a fourth surface (opposite to the third surface); wherein the first surface of the photonic platform is bonded to the third surface of the substrate; and wherein a…
Port chunk allocation in network address translation
Granted: April 16, 2024
Patent Number:
RE49926
A system and method for providing network and port address translation is provided. A global IP address and a block (chunk) of ports are allocated for each mobile subscriber (MS) on first data connection. Subsequent data connections from the same MS are assigned the same IP address and a new port from this block. The mapping information is communicated, processed, and stored once for the complete block, instead of for every new data connection. This process reduces processing,…
System and method of providing universal mobile internet proxy printing
Granted: April 9, 2024
Patent Number:
11954378
Disclosed is a method to enable printing on legacy devices. The method includes discovering a legacy device that does not have a universal record that enables the legacy device to provide services to a mobile device through a network, appending the universal record for the legacy device, transmitting the universal record for the legacy device to a controller, receiving, at the controller and from the mobile device, a request for services which can be provided by the legacy device,…
Management of an adaptive relay method for lost-device bluetooth low energy signaling
Granted: April 9, 2024
Patent Number:
11956637
Techniques and apparatus for managing a message relaying system are described. One technique includes an access point (AP) detecting a first signal and a second signal from a computing device. A validation of the first signal is performed based on parameters of the first signal and the second signal. After the validation, information associated with the first signal is transmitted to a computing system. In another technique, the computing system may designate one of multiple APs…
Openroaming for private communication systems
Granted: April 9, 2024
Patent Number:
11956628
A method is provided that includes obtaining an access request for a device to access a visited access network, the access request including an authentication identifier for the device including an identity for the device and a realm comprising a network identifying portion; determining a re-write rule for the realm by querying a database based on an identity type of the device and the network identifying portion of the realm, the database including a plurality of re-write rules for a…
Dynamic storage sharing across network devices
Granted: April 9, 2024
Patent Number:
11956313
Techniques and systems described herein relate to shared storage systems across network devices to use unused storage space and provide backup and additional storage for devices as needed. The techniques and systems include determining availability data describing available storage locations and amounts on network devices, compiling such data at a network controller, and communicating the availability data to the network devices. The network devices then directly communicate with each…
Encrypted data packet forwarding
Granted: April 9, 2024
Patent Number:
11956221
A method of transmitting an encrypted data packet includes, with a processor, in response to receiving the encrypted data packet, executing an extended Berkeley packet filter (eBPF) application at an express data path (XDP) hook point located within a kernel space, determining whether the encrypted data packet is to be processed via a trusted application (TA) within a trusted execution environment (TEE) based on an analysis by the eBPF application, and identifying application…
Enhancing container workload visibility in data center environments with blade switches
Granted: April 9, 2024
Patent Number:
11956126
In one embodiment, an illustrative method herein may comprise: determining, by a network controller, physical network topology of a data center network; collecting, by the network controller, virtual machine related network topology of the data center network from a virtual machine manager for the data center network; collecting, by the network controller, virtual ethernet flow mapping information of the data center network from a blade system management software for the data center…
Monitoring interface configurations for network devices in fabrics
Granted: April 9, 2024
Patent Number:
11956123
Techniques for determining that a configuration change in configurations for a network device has occurred to result in changed configurations for the network device. The techniques include creating a policy for the network device by a network controller that manages one or more network devices. The network controller may obtain data from the network device, and update the network device policy based on the obtained data. In some examples, the network controller may compare the network…
