Predictive pipeline analytics for a network management system
Granted: December 27, 2022
Patent Number:
11539586
A controller device includes a memory and one or more processors coupled to the memory. The memory stores instructions that, when executed, cause the one or more processors to receive a query indicating a first time and a network service, determine a first set of configuration elements using telemetry data associated with the first time and the network service, and determine a second set of configuration elements using an intent model. The instructions further cause the one or more…
Pausing a media access control security (MACsec) key agreement (MKA) protocol of an MKA session using a fast heartbeat session
Granted: December 27, 2022
Patent Number:
11539513
A network device may establish a media access control security (MACsec) key agreement (MKA) session with another network device via a MACsec communication link; establish a fast heartbeat session via the MACsec communication link, between a first packet processing engine of the network device and a second packet processing engine of the other network device, where the fast heartbeat session is to permit the first packet processing engine and the second packet processing engine to…
Automatic formation of a virtual chassis using zero touch provisioning
Granted: December 27, 2022
Patent Number:
11537406
A network device may obtain information concerning a virtual chassis that indicates that the network device and an additional network device are to be included in the virtual chassis. The network device may determine, based on the information concerning the virtual chassis, that the network device is connected to the additional network device, wherein the network device is connected to the additional network device via a link between a network interface of the network device and a…
Providing user subscription nomadicity in wireline broadband networks
Granted: December 20, 2022
Patent Number:
11533382
In general, techniques are described for providing user nomadicity in wireline broadband networks. A network device positioned in a wireline broadband network comprising a processor and an interface may be configured to perform the techniques. The processor may be configured to execute a first virtual customer premises equipment to provide, to a first subscriber, access to the wireline broadband network from a first subscription point in accordance with a first subscription. The…
Systems and methods for efficient delivery and presentation of network information
Granted: December 20, 2022
Patent Number:
11533242
A disclosed method may include (1) identifying a set of network objects associated with a network whose performance is tracked by a monitoring service, (2) grouping a first subset of the network objects based at least in part on a first attribute, (3) grouping a second subset of the network objects based at least in part on a second attribute, and then (4) providing, for presentation on a computing device in connection with the monitoring service, a graphical user interface that includes…
Programmable diagnosis model for correlation of network events
Granted: December 20, 2022
Patent Number:
11533215
Network management techniques are described. A controller device of this disclosure manages a device group of a network. The controller device includes processing circuitry in communication with the memory, the processing circuitry being configured to receive, using a programmable diagnosis service executed by the processing circuitry, a programming input, to form, using the programmable diagnosis service, based on the programming input, a resource definition graph that models…
Systems, methods, and apparatus for optical transceiver with multiple switch state configurations
Granted: December 20, 2022
Patent Number:
11531165
According to various aspects of the present disclosure, an apparatus is provided. In an aspect, the apparatus includes an optical transceiver having a first port, a second port and an optical switch coupled to the first port and the second port. The optical switch is switchable between a unidirectional port operation mode and a bidirectional port operation mode. When the optical switch is in the unidirectional port operation mode, the first port is configured to send a first optical…
Apparatus, system, and method for synchronizing slave clocks with optimal master clocks in partial timing networks
Granted: December 13, 2022
Patent Number:
11528122
A method may include (1) preparing, at a slave device, a request message that identifies an initial time-to-live value, (2) sending the request message to a plurality of candidate master devices, (3) receiving, at the slave device from one of the candidate master devices, a reply message that identifies a number of hops between the slave device and the one of the candidate master devices, (4) receiving, at the slave device from another one of the candidate master devices, another reply…
Sharing routes using an in-memory data store in a distributed network system
Granted: December 13, 2022
Patent Number:
11528213
This disclosure describes techniques for sharing routes between nodes in a distributed network system. An example method includes receiving, by a control node of a software-defined network (SDN) controller, a route from a compute node of a plurality of compute nodes in a network; publishing, by the control node and in response to receiving the route, a route update to an in-memory database service of the SDN controller; and sending, by the in-memory database service in response to…
Configuration data migration for distributed micro service-based network applications
Granted: December 13, 2022
Patent Number:
11528190
Techniques are described for in-service configuration data migration for distributed micro service-based applications. In one example, a network device comprises a plurality of legacy data repositories comprising configuration data in key-value pair format that specifies a plurality of parameters and corresponding values for operation of the network device, and a hierarchical configuration data model having a plurality of nodes arranged in a hierarchical organization having a root node…
Memory leak detection using real-time memory growth pattern analysis
Granted: December 13, 2022
Patent Number:
11526426
The disclosure describes techniques that enable detection of memory leaks of software executing on devices within a computer network. An example network device includes memory and processing circuitry. The processing circuitry monitors a usage of the memory by a software component operating within the network device. The processing circuitry periodically determines a memory growth pattern score for the software component based on the usage of the memory. The processing circuitry also…
Autotuning a virtual firewall
Granted: December 6, 2022
Patent Number:
11522834
A device may receive an input associated with deploying a virtual firewall on a computing device. The device may determine a first set of characteristics associated with the virtual firewall and a second set of characteristics associated with a hypervisor associated with the computing device. The device may automatically tune the virtual firewall based on the first set of characteristics and the second set of characteristics. The device may deploy the virtual firewall after tuning the…
End to end application identification and analytics of tunnel encapsulated traffic in the underlay
Granted: December 6, 2022
Patent Number:
11522795
In some embodiments a method includes receiving, at a first network device, a data unit to be sent to second network device via a tunnel, the data unit associated with an application. The method includes appending, to the data unit, an encapsulation header that includes a first portion configured such that the second network device is configured to forward the data unit based on the second portion of the encapsulation header that is configured to identify the application. The method…
Time-to-live (TTL) handing for segment routing ping/traceroute
Granted: December 6, 2022
Patent Number:
11522794
An improved traceroute mechanism for use in a label-switched path (LSP) is provided by (a) receiving, by a device in the LSP, an echo request message, wherein the echo request includes a label stack having a least one label, and wherein each of the at least one label has an associated time-to-live (TTL) value; (b) responsive to receiving the echo request, determining by the device, whether or not the device is a penultimate hop popping (PHP) device for the outermost label of the label…
Cooperative power management
Granted: December 6, 2022
Patent Number:
11522727
Embodiments are generally directed to managing power consumption of powered devices. In some embodiments, the powered devices draw power from a common source of power, which is limited. Under certain circumstances, exceeding the power limits can cause interruption of power to one or more of the devices, thus introducing a source of communication failures. To ensure reliable communications, an attempt to increase a power consumption of a first powered device in a power group is first…
Methods and apparatus for optical communications via pulse amplitude modulation (PAM) in dense wavelength-division multiplexing (DWDM) systems
Granted: December 6, 2022
Patent Number:
11522616
A method includes applying, to a modulated digital signal, a forward error correction (FEC) including a low-density parity-check (LDPC) to produce a coded digital signal. Nyquist shaping is applied to the coded digital signal to generate a filtered digital signal. A representation of the filtered digital signal is transmitted in an optical communication channel via a dense wavelength division multiplexing (DWDM) scheme.
Collecting metric information by sensors based on device characteristic information
Granted: November 29, 2022
Patent Number:
11516067
A method includes determining, by a controller device that manages a plurality of network devices, device characteristic information for a network device of the plurality of network devices and selecting, by the controller device, one or more sensors from a plurality of sensors based on the device characteristic information for the network device. The method further includes outputting, by the controller device, an instruction to cause the network device to generate the one or more…
Distributed node processing of network traffic
Granted: November 29, 2022
Patent Number:
11516136
A first network device may receive first traffic of a session that involves a service. The first network device may identify that the service is configured for distributed node processing. The first network device may identify a second network device that is configured for distributed node processing. The first network device may identify a state machine that is associated with the service. The first network device may determine, based on the state machine, a first function and a second…
Weighted multicast join load balance
Granted: November 29, 2022
Patent Number:
11516115
In some examples, a method includes receiving, by an egress network device for a network, messages from each of a plurality of ingress network devices for the network, wherein each of the messages specifies a multicast source, a multicast group, and an upstream multicast hop weight value for multicast traffic for the multicast source and the multicast group; selecting, by the egress network device and based on the upstream multicast hop weight values specified by the received messages,…
Bandwidth constraint for multipath segment routing
Granted: November 29, 2022
Patent Number:
11516114
In an example, a method includes computing, by a computing device, for a segment routing policy that specifies a bandwidth constraint for the segment routing policy, first shortest paths through a network of network nodes, wherein each shortest path of the first shortest paths represents a different sequence of links connecting pairs of the network nodes from a source to a destination; in response to determining, by the computing device based on the bandwidth constraint for the segment…
