Multi-cluster dashboard for distributed virtualization infrastructure element monitoring and policy control
Granted: December 15, 2020
Patent Number:
10868742
This disclosure describes techniques for monitoring, scheduling, and performance management for virtualization infrastructures within networks. In one example, a computing system includes a plurality of different cloud-based compute clusters (e.g., different cloud projects), each comprising a set of compute nodes. Policy agents execute on the compute nodes to monitor performance and usage metrics relating to resources of the compute nodes. Policy controllers within each cluster deploy…
Hierarchical resource groups for providing segregated management access to a distributed switch
Granted: December 15, 2020
Patent Number:
10868716
In one embodiment, an apparatus includes a network management module configured to execute at a network device operatively coupled to a switch fabric. The network management module is configured to receive a first set of configuration information associated with a subset of network resources from a set of network resources, the set of network resources being included in a virtual local area network from a plurality of virtual local area networks, the plurality of virtual local area…
Systems, methods, and apparatus for optical transceiver with multiple switch state configurations
Granted: December 15, 2020
Patent Number:
10866364
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…
OAM mechanisms for EVPN active-active services
Granted: December 8, 2020
Patent Number:
10862783
A method and network device to execute an Ethernet Virtual Private Network (EVPN) protocol to configure the network device to participate as one of a plurality of customer edge (CE) routers that provide an active-active configuration for an Ethernet segment coupling the CE routers to a plurality of provider edge (PE) routers, wherein the processor is configured to determine whether a packet that is to be forwarded is an operations, administration, and management (OAM) packet; in response…
Clearance size reduction for backdrilled differential vias
Granted: December 8, 2020
Patent Number:
10863628
A printed circuit board (PCB) may include a plurality of horizontally disposed signal layers. The PCB may include a first vertically disposed differential via electrically connected to a first horizontally disposed signal layer, of the plurality of horizontally disposed signal layers, and a second horizontally disposed signal layer of the plurality of horizontally disposed signal layers. The PCB may include a second vertically disposed differential via electrically connected to the first…
Wireless terminal roaming
Granted: December 8, 2020
Patent Number:
10863400
Disclosed are methods and systems for improved wireless terminal roaming. In some embodiments, a management module determines access point density metrics for a plurality of centrally managed access points of a communications site. The density metric considers an average RSSI of access point signals received by other access points of the site, and each access point's contribution to the average. A determination of whether a particular wireless terminal roams is based on the density…
Tracking host threats in a network and enforcing threat policy actions for the host threats
Granted: December 8, 2020
Patent Number:
10862912
A device receives network segment information identifying network segments associated with a network, and receives endpoint host session information identifying sessions associated with endpoint hosts communicating with the network. The device generates, based on the network segment information and the endpoint host session information, a data structure that includes information associating the network segments with the sessions associated with the endpoint hosts. The device updates the…
Intelligent offloading of services for a network device
Granted: December 8, 2020
Patent Number:
10862805
A network device may receive a packet associated with a traffic flow of a session that includes session identification information for the session. The network device may determine to offload subsequent packets associated with the traffic flow using offloading indicators and/or a data model. The network device may store, using a data structure, the session identification information with other session identification information for other sessions that have been selected for offloading,…
Selective media access control (MAC) learning and purging to reduce flooding and replication in a network
Granted: December 8, 2020
Patent Number:
10862801
A network device may select a candidate entry to remove from a media access control (MAC) table maintained at the network device based on determining that the MAC table is exhausted. The candidate entry may include an identifier for a first virtual local area network (VLAN) associated with the candidate entry. The network device may receive a packet from a source node having a MAC address that does not appear in the MAC table, where the packet may include an identifier for a second VLAN…
Prioritized formation of BGP sessions
Granted: December 8, 2020
Patent Number:
10862798
A network device is described that includes one or more processors configured to select a prioritized sub-set of a plurality of routing protocol sessions based on peer priority information. The one or more processors are configured to establish one or more routing protocol sessions of the prioritized sub-set. The one or more processors are configured to, in response to determining that a threshold for establishing the prioritized sub-set of the plurality of routing protocol sessions is…
Method for conveying AP error codes over BLE advertisements
Granted: December 8, 2020
Patent Number:
10862742
Methods and apparatus for automatically obtaining status from an isolated AP that cannot connect to the cloud. The obtained status information is then used to automatically mitigate the issue and accelerate connecting the isolated AP back to the cloud. 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 such as “the cloud”. Network management…
Interoperability between separate and collapsed service-layer and transport-layer tunnels
Granted: December 8, 2020
Patent Number:
10862708
A first network device may generate a layer-3 virtual private network (L3VPN) route advertisement associated with the first network device. The L3VPN route advertisement may include a first portion, associated with a second network device included in an L3VPN with the first network device, for separate transport-layer tunnel and service-layer tunneling, and a second portion, associated with the second network device, for collapsed transport-layer and service-layer tunneling. The first…
Detecting malware concealed by delay loops of software programs
Granted: December 8, 2020
Patent Number:
10860716
A device receives a software program with potential malware and a loop to conceal the potential malware, and processes the software program, with a loop identification technique, to identify the loop in the software program. The device modifies, with a loop exit technique and based on data from the loop identification technique, the software program to exit the loop, and processes the software program, with a malware detection technique and after modifying the software program to exit…
Universal asynchronous receiver/transmitter (UART) data pass-through for virtualized environments
Granted: December 8, 2020
Patent Number:
10860523
A hypervisor of a device may receive information that identifies a virtual machine that is to use a universal asynchronous receiver/transmitter (UART) of the device. The hypervisor may map a set of first register addresses, associated with a physical UART port, and a set of variable addresses. The hypervisor may map a second set of register addresses, associated with a virtual UART port of the virtual machine, and the set of variable addresses. The hypervisor may permit the virtual…
Migrating workloads in multicloud computing environments
Granted: December 8, 2020
Patent Number:
10860368
Techniques are described for detecting failure of one or more virtual computing environments and causing a migration of workloads. In some examples, a computing system includes a storage medium and processing circuitry having access to the storage medium. The processing circuitry is configured to communicate with a plurality of virtual computing environments (VCEs), including a first VCE and a second VCE, wherein each of the plurality of VCEs is operated by a different public cloud…
Migrating virtual machines between oversubscribed and undersubscribed compute devices
Granted: December 8, 2020
Patent Number:
10860353
In some embodiments, a non-transitory processor-readable medium includes code to cause a processor to receive, at a management device, an instantiation request for a first virtual machine. The code includes code to cause the processor to identify a first compute device at a first time such that the first compute device is undersubscribed at the first time. The code includes code to cause the processor to send an instruction to instantiate the first virtual machine at the compute device,…
Display screen or portion thereof with graphical user interface
Granted: December 8, 2020
Patent Number:
D904437
Utilizing upstream routing of multicast traffic from redundant multicast sources to increase multicast resiliency and availability
Granted: December 1, 2020
Patent Number:
10855520
A network device selects a primary source for multicast traffic and a secondary source for the multicast traffic, where the multicast traffic is provided to endpoint devices communicating with a network, and where the primary source and the secondary source are redundant sources. The network device provides a first join request that includes information that causes a primary path to be provided from the primary source through the network. The network device provides a second join request…
Systems and methods for non-intrusive network performance monitoring
Granted: December 1, 2020
Patent Number:
10855546
A first network device may receive packets as part of a traffic flow of an internet protocol session, select a packet based on a rule, and add, to a packet replica of the selected packet, routing information capable of being used to generate performance indicators associated with the IP session. The first network device may modify a portion of the packet replica to include values that will cause the packet replica to fail to reach a destination device associated with the IP session, and…
Multiple networks for virtual execution elements
Granted: December 1, 2020
Patent Number:
10855531
In some examples, a method includes receiving, by an orchestrator for a virtualized computing infrastructure, namespace specification data the specifies a namespace, a first virtual network for the namespace, and a second virtual network for the namespace; sending, by the orchestrator to a network controller for the virtualized computing infrastructure, based on the namespace specification data, at least one request to create, for a virtual execution element to be deployed to the…
