Rules driven software deployment agent
Granted: October 3, 2023
Patent Number:
11777802
The disclosed embodiments provide for rules-based deployment of software installations. In some aspects, operational parameters for a computer system are monitored over time to generate a historical database of values for the operational parameters. The computer system may include multiple instances of a software installation. A portion of the multiple instances is updated with a new version of software. The operational parameters are then monitored to quantify whether the new version…
Point-to-multipoint transport chain
Granted: October 3, 2023
Patent Number:
11777847
A network node may receive a packet that originated from a root network node and may process the packet to determine segment identifier (SID) information associated with a point-to-multipoint transport chain. The network node may determine, based on the SID information, that the network node is a transit leaf node in the point-to-multipoint transport chain. The network node may generate, based on determining that the network node is a transit leaf node in the point-to-multipoint…
Inter-network service chaining
Granted: October 3, 2023
Patent Number:
11777850
Techniques are described in which a centralized controller constructs a service chain between a bare metal server (BMS) and a virtual execution element (e.g., virtual machine or container), or in some instances a remote BMS, across a plurality of networks. In some examples, the controller may construct a service chain between a BMS and a virtual execution element or remote BMS using Ethernet Virtual Private Network (EVPN)-Virtual Extensible Local Area Network (VXLAN) and Internet…
Adaptive control of secure sockets layer proxy
Granted: October 3, 2023
Patent Number:
11777915
A network device may decrypt a record received from a source device and associated with an encrypted session. The network device may process the decrypted record. The network device may encrypt the record to generate an encrypted payload. The network device may store an entry in a retransmission mapping that includes a decryption key used to decrypt the record and an encryption key used to encrypt the record. The network device may transmit the encrypted payload in a first TCP packet…
Aligned multi-wireless device location determination
Granted: October 3, 2023
Patent Number:
11778418
The disclosed embodiments estimate a location of a first wireless device based on signals received from the wireless device from two other wireless devices. To combine estimates of the two wireless devices, the two wireless devices share a definition of a plurality of geographic regions. A first set of expected phase differences for the plurality of regions are determined for a first of the two wireless devices, and a second set of expected phase differences for the plurality of regions…
Identifying out-of-band configuration changes to validate intent files
Granted: October 3, 2023
Patent Number:
11777800
A controller device manages a plurality of network devices. The controller device includes a memory comprising a configuration database including a set of stored network device configurations, wherein each stored network device configuration of the set of stored network device configurations corresponds to a network device of the set of network devices. Additionally, the controller device includes processing circuitry configured to receive an intent file corresponding to an intended…
Providing timing information from a network via a virtual network address
Granted: September 26, 2023
Patent Number:
11770466
A network device may receive, from a timing source of a network, timing information. The network device may identify a client device to which the timing information is to be provided, wherein the network device provides an interface between the client device and the network. The network device may select a virtual network address to associate with a timing agent of the network device, wherein the virtual network address is within an address range that is reachable by the client device.…
Encoding forwarding policy data in multiprotocol label switching (MPLS) labels
Granted: September 26, 2023
Patent Number:
11770331
A network device may receive an MPLS packet destined for a destination via a label-switched path (LSP), and may determine whether to apply a first special purpose label (SPL) option or a second SPL option for a label stack of the MPLS packet. The network device may apply, when the first SPL option is determined to be applied, one of a first type of the first SPL option for the label stack via a policy data indicator (PDI) and policy data (PD), or a second type of the first SPL option for…
Methods and apparatus for capturing and/or using packets to facilitate fault detection
Granted: September 26, 2023
Patent Number:
11770314
Methods and apparatus for controlling monitoring operations performed by various devices, e.g., access points, in a communications network and for using information obtained by the devices which perform the monitoring are described. The methods are well suited for use in a system with a variety of access points, e.g., wireless and/or wired access points, which can be used to obtain access to the Internet or another network. An access point, which has been configured to monitor in…
On-demand probing for quality of experience metrics
Granted: September 26, 2023
Patent Number:
11770309
In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application. In response to receiving the application data packet, the network device may assign the data flow to a first link of a plurality of links and initiate a probing process for the data flow on the first link to determine one or more quality…
Network management actions based on access point classification
Granted: September 26, 2023
Patent Number:
11770290
An example system includes access point (AP) devices configured to provide a wireless network at a site; and a network management system that stores network data received from the AP devices, the network data collected by the AP devices or client devices associated with the wireless network, and one or more processors configured to: receive a time series of SLE metrics based on the network data, determine, based on the time series, whether a network event has occurred, in response to a…
Multithreaded route processing for routing information display
Granted: September 19, 2023
Patent Number:
11762710
In some examples, a main thread of a plurality of execution threads executing on a plurality of processing cores of at least one hardware-based processor of a network device may receive a request for information associated with network routes that meet one or more criteria. Each of the plurality of execution threads may process a respective routing information partition to generate respective displayable information associated with a respective subset of the network routes that meets the…
Intent-based distributed alarm service
Granted: September 19, 2023
Patent Number:
11765014
An alarm service can receive an alarm rule as an “intent” that defines a rule in a high level “natural language.” An alarm rule compiler can receive the intent and translate the high level intent into one or more lower level rules that can be programmatically processed by multiple alarm rule execution engines. Devices in a network system can be associated with alarm rule execution engines in a distributed manner. For example, devices in a network can be associated with different…
Enforcing policies in cloud domains with different application nomenclatures
Granted: September 19, 2023
Patent Number:
11765034
A device receives policy information indicating a policy to be implemented for an application hosted by multiple cloud domains, and receives, from the multiple cloud domains, different application resource tags and addresses associated with the application. The device maps the different application resource tags to a generic identifier, and associates the policy with the generic identifier and with the addresses associated with the application. The device provides, based on associating…
Ping and traceroute in inter-autonomous system (AS) segment routing (SR) networks without requiring headend router or path monitoring system (PMS) controller knowledge of topology outside of origin AS
Granted: September 19, 2023
Patent Number:
11765077
Ping or traceroute functionality is supported in a path spanning multiple autonomous systems (ASes) having segment routing (SR) enabled, the path including an ingress node in a first autonomous system (AS) and an egress node in an AS other than the first AS, using a reverse path label pair including (1) a node segment identifier (SID) corresponding to an AS Border Router (ASBR) of the second AS (second ASBR), and (2) an egress peer engineering (EPE) SID corresponding to a segment between…
Network traffic control based on application identifier
Granted: September 19, 2023
Patent Number:
11765090
A network device may receive network traffic associated with a session, wherein the session is associated with a network. The network device may determine, from the network traffic, an application path that is associated with the session and may determine an application path identifier associated with the application path. The network device may determine, based on policy information that is associated with the application path identifier, whether the network traffic associated with the…
Dynamic bandwidth throttling of a network device component for telecommunications standard compliance
Granted: September 19, 2023
Patent Number:
11765096
A network device may receive traffic to be processed by a routing component, and may determine temperatures of an ASIC and an HBM of the routing component at a first time. The network device may determine whether the temperature of the ASIC satisfies a first ASIC temperature threshold or a second ASIC temperature threshold, and may determine whether the temperature of the HBM satisfies a first HBM temperature threshold or a second HBM temperature threshold. The network device may…
Non-translated port oversubscribing for a proxy device
Granted: September 19, 2023
Patent Number:
11765238
In some implementations, a proxy device may intercept a client session associated with a client device and a destination device. The proxy device may allocate a first port of the proxy device as a source port of a proxy session for the client session. The proxy device may determine, based on allocating the first port, whether session information associated with the proxy session would match session information associated with another proxy session. The proxy device may initiate the proxy…
Socket replication between nodes of a network device without operating system kernel modification
Granted: September 19, 2023
Patent Number:
11765257
An example network device includes a primary node and a standby node. The primary node includes one or more processors implemented in circuitry and configured to execute an operating system providing an application space and a kernel space, execute a replication application in the application space to receive a write function call including data to be written to a socket of the operating system and to send a representation of the data to a replication driver executed in the kernel space,…
Path flow of telemetry flow data for bare metal servers
Granted: September 19, 2023
Patent Number:
11765488
A method includes receiving, by a network analyzer implemented in circuitry, from a network device of a plurality of network devices, a sensor message for telemetry flow data. The sensor message indicates an interface index for a network interface, a virtual network identifier associated with a virtual network, and an IP address. The method further includes receiving, by the network analyzer, from the network device, a telemetry flow message for the telemetry flow data. The method…
