Network service discovery
Granted: August 20, 2024
Patent Number:
12068958
Techniques are disclosed for a computing system comprising processing circuitry having access to a storage device, the processing circuitry configured to: generate, by a network controller executing in a software defined network (SDN), an advertisement in a first network cluster executing within a container orchestration platform of the SDN, wherein the advertisement conforms to a routing protocol and comprises information identifying a network service executing in the first network…
Configuration of a network using a flex-algorithm routing mechanism
Granted: August 20, 2024
Patent Number:
12068917
In some implementations, a first network device may receive an advertisement from a second network device. The advertisement may be associated with indicating that the second network device is configured to support a particular flex-algorithm. The first network device may identify, in the advertisement, an address of the second network device. The first network device may configure a routing table of the first network device to indicate that the second network device is capable of…
AP-local dynamic switching
Granted: August 13, 2024
Patent Number:
12063501
A technique for implementing AP-local dynamic switching involves Layer 2 switching. This may be accomplished by providing data associated with wireless stations to an AP sufficient to enable the AP to determine whether traffic from a particular wireless station should be locally switched. Alternatively, the wireless station may be able to determine whether to locally switch traffic based upon the traffic itself. For example, it may be desirable to AP-locally switch voice traffic to avoid…
Methods and apparatus for generating, transmitting and/or using beacons
Granted: August 6, 2024
Patent Number:
12058535
Methods and apparatus for using beacon signals are described. One or more sectorized base stations are used in some embodiments to transmit beacon signals into zones, e.g., each zone being at least partially covered by one or more beacon signals. Use of sectorized base stations allows a single base station, e.g., a Bluetooth or other base station capable of transmitting beacon signals, to cover a number of different zones avoiding the need for multiple different beacon transmitters at…
Path prioritization for internet protocol address allocation entity
Granted: August 6, 2024
Patent Number:
12058105
In some implementations, a network device may obtain a switchover indication associated with a switchover of a group of subscriber sessions from a first user plane subscriber access device to a second user plane subscriber access device. The network device may provide, to the first user plane subscriber access device or the second user plane subscriber access device, an indication to provide, to an internet protocol (IP) address allocation entity for which the network device serves as a…
Analysis system for software-defined network architectures
Granted: August 6, 2024
Patent Number:
12058022
In general, techniques are described that provide an analysis system for analyzing a software-defined networking (SDN) architecture system. The analysis system comprising the processing circuitry configured to obtain operational data representative of one or more of configuration, operation, and maintenance of the SDN architecture system. The processing circuitry may identify dependencies between the operational data that identify dependencies between objects representative of the…
Network device upgrade based group priority
Granted: August 6, 2024
Patent Number:
12058000
Techniques are disclosed for identifying sets of network devices to which to deploy a software upgrade based on an importance to the network of each network device. For example, a network system obtains information identifying a number of instances of an application associated with network traffic forwarded by each network device of a plurality of network devices. The instances of the application are executed by client devices serviced by each network device in forwarding the network…
Anomaly detection by analyzing logs using machine learning
Granted: August 6, 2024
Patent Number:
12056000
In some implementations, a device may obtain a log file that includes a plurality of log entries. The device may identify a sequence of log entries, of the plurality of log entries, that are associated with a resource. The device may process the sequence of log entries to generate a sequence of log templates. The device may process the sequence of log templates to identify an anomaly associated with the sequence of log templates. The device may determine, based on the anomaly associated…
Maintaining internet protocol security tunnels
Granted: July 30, 2024
Patent Number:
12052223
A network device identifies an Internet Protocol Security (IPsec) tunnel that connects the network device to a remote device and determines that dead peer detection (DPD) is enabled at the network device. The network device receives a first DPD request message from the remote device via the IPsec tunnel, and sends a first DPD response message to the remote device via the IPsec tunnel. The network device determines that a workload of the network device satisfies a threshold amount, and…
Multi-wireless device location determination
Granted: July 30, 2024
Patent Number:
12052634
Disclosed are embodiments that determine a location of a first wireless device based on estimates of two other wireless devices. Each of the other wireless devices is assigned or defines its own plurality of regions. Each wireless device estimates a location of the first wireless device with respect to its assigned or defined plurality of regions. One of the estimates is then translated to the other device's plurality of regions. The two estimates are then combined to estimate the…
Latency-aware load balancer for topology-shifting software defined networks
Granted: July 30, 2024
Patent Number:
12052182
Techniques are described for performing latency-aware load balancing. In some examples, a computing device communicably coupled to a plurality of service endpoints that are in motion with respect to the computing device may receive data to be processed. The computing device may select, based at least in part on a communication latency of each of the plurality of service endpoints and a predicted compute latency of each of the plurality of service endpoints, a service endpoint out of the…
Generic layer independent fragmentation of non-internet protocol frames
Granted: July 30, 2024
Patent Number:
12052181
A network device may receive a non-Internet protocol (non-IP) frame with a particular size and may compare the particular size to a maximum transmission unit (MTU) associated with a path between the network device and another network device. The network device may divide the non-IP frame into fragments, based on the particular size being greater than the MTU and may prepend generic fragmentation headers to the fragments to generate fragments with headers, based on the particular size…
Route target constraint to filter routes advertised to a node in a seamless MPLS or seamless SR network
Granted: July 30, 2024
Patent Number:
12052168
Techniques are described for using route target constraint to filter routes advertised to a node in a seamless Multiprotocol Label Switching (MPLS) network. For example, a first router of a first network may generate a first border gateway protocol (BGP) message to advertise routing information for a first node of the first network, the first BGP message indicating a transport class and specifying an address-specific route target, the transport class comprising one or more tunnels to the…
Point-to-multipoint Layer-2 network extension over Layer-3 network
Granted: July 30, 2024
Patent Number:
12052163
Techniques are disclosed for session-based routing of multipoint Open Systems Interconnection (OSI) Model Layer-2 (L2) frames of an L2 network extended over Layer-3 (L3) networks. In one example, L2 networks connect a source device to an ingress router and receiver devices to egress routers. An L3 network connects the ingress and egress routers. The ingress router receives, from the source device, a multipoint L2 frame destined for the receiver devices. The ingress router forms, for each…
Concurrent routing for network devices
Granted: July 30, 2024
Patent Number:
12052158
The disclosure describes techniques for concurrently operating multiple network stacks, one operating natively and one operating remotely, to control the routing table within a router of a network. An example network device includes a control unit comprising one or more processors. A native routing stack executes on the control unit to exchange routing protocol advertisements with a peer network device in accordance with a routing protocol. The native routing stack is configured to…
Monitoring wireless access point events
Granted: July 30, 2024
Patent Number:
12052150
A wireless access point system includes a processor configured to tap event data and process the event data using a plurality of event filters. Each event filter of the plurality of event filters applies event criteria to detect one or more types of events. The wireless access point system includes a memory configured to store the tapped event data. The wireless access point system includes a communication interface configured to report a report of a detected event type. At least a…
Initializing network device and server configurations in a data center
Granted: July 23, 2024
Patent Number:
12047232
A system for configuring a data center includes a fabric management server coupled to a management switch. A provisional Software Defined Networking (SDN) controller executing on the fabric management server can discover physical servers coupled to the management switch, receive network interface configuration information from the physical servers, and use the discovered network interface configuration information to determine a configuration for switches and servers coupled to an IP…
Systems and methods for avoiding offloading traffic flows associated with malicious data
Granted: July 23, 2024
Patent Number:
12047410
In some implementations, a security device may receive a traffic flow. The security device may determine an amount of a padding included in the traffic flow. The security device may determine whether the amount of the padding included in the traffic flow satisfies a padding threshold. The security device may perform, based on the amount of the padding satisfying the padding threshold, offloading for the traffic flow. The security device may inspect, based on the amount of the padding…
Point-to-multipoint layer-2 network extension over layer-3 network
Granted: July 23, 2024
Patent Number:
12047277
Techniques are disclosed for session-based routing of multipoint Open Systems Interconnection (OSI) Model Layer-2 (L2) frames of an L2 network extended over Layer-3 (L3) networks. In one example, L2 networks connect a source device to an ingress router and receiver devices to egress routers. An L3 network connects the ingress and egress routers. The ingress router receives, from the source device, a multipoint L2 frame destined for the receiver devices. The ingress router forms, for each…
Utilizing a centralized controller for traffic engineering segment routing inter-autonomous systems
Granted: July 23, 2024
Patent Number:
12047272
A device receives border gateway protocol (BGP) data associated with links provided in a segment routing network. The segment routing network includes a first autonomous system (AS) with first network devices interconnected by a first portion of the links, a second AS with second network devices interconnected by a second portion of the links, and an inter-AS link provided between one of the first network devices and one of the second network devices. The device filters prefixes of the…
