Root cause analysis of non-deterministic performance anomalies
Granted: February 6, 2024
Patent Number:
11892900
Some embodiments of the invention provide methods for performing root cause analysis for non-deterministic anomalies in a datacenter. For instance, the method of some embodiments identifies a root cause for degradation in performance of one or more components in a network of the datacenter. This method collects and generates resource consumption data regarding resources consumed by a set of components in this network. The method performs a first analysis on the collected and/or generated…
GPU-remoting latency aware virtual machine migration
Granted: January 30, 2024
Patent Number:
11886898
Various aspects are disclosed for graphics processing unit (GPU)-remoting latency aware migration. In some aspects, a host executes a GPU-remoting client that includes a GPU workload. GPU-remoting latencies are identified for hosts of a cluster. A destination host is identified based on having a lower GPU-remoting latency than the host currently executing the GPU-remoting client. The GPU-remoting client is migrated from its current host to the destination host.
Quality-aware user data forwarding in mobile communications systems
Granted: January 30, 2024
Patent Number:
11889346
Example methods and systems for quality-aware user data forwarding in a mobile communications system are described. One example may involve a first virtualized network function (VNF) instance supported by a computer system establishing a user plane tunnel with a second VNF instance; and learning path quality information associated with multiple paths over the user plane tunnel. In response to receiving a packet that includes user data for forwarding in an uplink direction or a downlink…
Topic-based data routing in a publish-subscribe messaging environment
Granted: January 30, 2024
Patent Number:
11888952
Techniques for providing topic-based data routing in a publish-subscribe messaging environment are disclosed. In one example, a system supported by hardware in a publish-subscribe messaging environment may include a message broker to receive topic metadata at a first instance according to a first interval into a predefined fixed topic. Further, the system may include a topic list subscriber that subscribes to the predefined fixed topic and obtains a list of topics from the message…
Attachment and embedded object positioning validation
Granted: January 30, 2024
Patent Number:
11888798
Disclosed are various approaches for validating a relevance or an accuracy associated with an item being attached to a message or inserted inline with the text of the message or other type of document. An addition of the item (e.g., attachment, hyperlink, embedded image, etc.) to the message being generated by a sender can be detected. Message keywords associated with the message content and item keywords associated with the item content can be identified following an analysis of the…
Methods and apparatus to provide a custom installable open virtualization application file for on-premise installation via the cloud
Granted: January 30, 2024
Patent Number:
11888758
Methods, apparatus, systems and articles of manufacture to provide a custom installable open virtualization application file for on-premise installation via the cloud are disclosed. Example instructions cause one or more processors to determine a sizing factor based on a response from a user device; determine customized resource information for an agent in a private cloud network using an inventory count algorithm based on the sizing factor; modify an open virtualization appliance (OVA)…
Probabilistic filters for use in network forwarding and services
Granted: January 30, 2024
Patent Number:
11888747
Some embodiments of the invention provide novel methods for using probabilistic filters to keep track of data message flows that are processed at an element (e.g., forwarding element or middlebox service element) of a network. In some embodiments, the method iteratively switches between two probabilistic filters as the active and backup filters as a way of maintaining and refreshing its active probabilistic filter without the need for maintaining time values for removing outdated records…
Using an attribute value to set a preferred egress point in multi-site logical routers
Granted: January 30, 2024
Patent Number:
11888735
In some embodiments, a method for selecting an egress point for accessing an external network associated with a distributed logical router that is distributed across at least a first computing device and a second computing device is provided. The method receives, by an instance of the logical router at the first computing device, first identification information and a first preference value. The method compares the first preference value to a second preference value. The second…
Methods and apparatus for data pipelines between cloud computing platforms
Granted: January 30, 2024
Patent Number:
11886937
Methods, apparatus, systems and articles of manufacture to establish a data pipeline between cloud computing platforms. An apparatus includes at least one memory, machine readable instructions in the apparatus, and processor circuitry to execute the machine readable instructions to at least extract a data producer name from data, the data to be provided from a data producer to a data consumer, identify a buffer identifier based on a mapping of the data producer name to the buffer…
Methods and apparatus to handle dependencies associated with resource deployment requests
Granted: January 30, 2024
Patent Number:
11886924
An example apparatus includes a dependency graph generator to generate a dependency graph based on a resource request file specifying a first resource and a second resource to deploy to a resource-based service, the dependency graph representative of the first resource being dependent on a second resource, a verification controller to generate a status indicator after a determination that a time-based ordering of a first request relative to a second request satisfies the dependency…
Managing configurations of system services running in a cluster of hosts by managing lifecycle of virtualization software
Granted: January 30, 2024
Patent Number:
11886889
A method of managing configurations of a plurality of system services, including a first system service and a second system service, in each of a plurality of hosts, wherein each of the hosts is configured with a virtualization software for supporting execution of virtual machines therein includes steps of: upon receiving an application programming interface (API) call to apply configurations of the system services defined in a desired configuration file to the system services, parsing…
Print driver store for redirection printing in a virtualized computing environment
Granted: January 30, 2024
Patent Number:
11886760
A print driver store is usable for redirection printing in a virtualized computing environment that supports virtual desktops. Native print drivers are uploaded to the print driver store from a client side. When an agent attempts to instantiate a virtual printer at the agent side that corresponds to a physical printer at the client side, the agent checks to determine if a native print driver for the physical printer is installed at the agent side. If the native print driver is not…
Secure link sharing
Granted: January 30, 2024
Patent Number:
11886602
Disclosed are various approaches for sharing uniform resource locators (URLs) and enforcing browser restrictions along with a shared URL. Browser restrictions can be identified by appending commands to the shared URL that instruct the receiving browser to activate certain browser restrictions. Browser restrictions can also be enforced using a URL restriction validator, which is a server process that can facilitate enforcement of browser restrictions along with a shared URL.
Adaptive hybrid polling based on outstanding input/output (I/O) determination
Granted: January 30, 2024
Patent Number:
11886364
An adaptive hybrid polling technique combines an interrupt mode with a polling mode, and is based on outstanding input/output (OIO) determination to improve I/O performance and to save processor cycles. The OIO includes two types of I/O commands: (1) I/O commands submitted to storage devices for processing, and (2) I/O commands completed by the storage devices but not yet acknowledged by host software. The adaptive hybrid polling technique involves two phases to determine when to poll…
Site locality support for file services in a stretched cluster environment
Granted: January 30, 2024
Patent Number:
11886307
The location of resources for file services are located within the same site, thereby eliminating or reducing performance issues caused by cross-site accesses in a stretched cluster environment. A file server placement algorithm initially places file servers at a site based at least in part on host workload and affinity settings, and can perform failover to move the file servers to a different location (e.g., to a different host on the same site or to another site) in the event of a…
Leveraging hardware-based attestation to grant workloads access to confidential data
Granted: January 30, 2024
Patent Number:
11886223
In one set of embodiments, confidential data needed by a workload component running within a worker VM can be placed on an encrypted virtual disk that is attached to the worker VM and hardware-based attestation can be used to validate the worker VM's software and isolate its guest memory from its hypervisor. Upon successful completion of this attestation process, a data decryption key can be delivered to the worker VM via a secure channel established via the attestation, such that the…
Real-time cross appliance operational intelligence during management appliance upgrade
Granted: January 23, 2024
Patent Number:
11880294
Distributed tracing is applied during an upgrade from a first management appliance to a second management appliance. The distributed tracing method includes generating a parent span that encapsulates states of the overall workflow, including a span context that contains a trace identifier and a span identifier, and generating a plurality of child spans. Each child span encapsulates states that represent a piece of the workflow and contains a reference to the parent span context. The…
Reverse range lookup on a unified logical map data structure of snapshots
Granted: January 23, 2024
Patent Number:
11880584
A method for reverse range lookup in an ordered data structure of keys, wherein each key comprises a logical block address (LBA) and a snapshot identifier (ID) of one of one or more snapshots in a snapshot hierarchy, is provided. The keys in the ordered data structure are in an order from smallest to largest LBA, wherein in the order, keys having a same LBA are ordered from smallest to largest snapshot ID. The method includes determining a range of LBAs and traversing the ordered data…
Input output (IO) request handling based on tracking information
Granted: January 23, 2024
Patent Number:
11880316
Example methods and systems for input output (IO) request handling based on tracking information are described. One example may involve a computer system configuring, in a cache, a zero-filled logical memory page that is mappable to multiple logical block addresses of a virtual disk. In response to detecting a first IO request to perform zero writing at a logical block address, the computer system may store tracking information indicating that zero writing has been issued. In response to…
Method and system for tracking state of cache lines
Granted: January 23, 2024
Patent Number:
11880309
The state of cache lines transferred into an out of caches of processing hardware is tracked by monitoring hardware. The method of tracking includes monitoring the processing hardware for cache coherence events on a coherence interconnect between the processing hardware and monitoring hardware, determining that the state of a cache line has changed, and updating a hierarchical data structure to indicate the change in the state of said cache line. The hierarchical data structure includes…
