VMware Patent Grants

Adaptive interrupt and system call coalescing

Granted: March 28, 2017
Patent Number: 9606823
Exemplary methods, apparatuses, and systems determine a virtual processing unit utilization value representing utilization for a first virtual machine of a plurality of virtual machines running on a host computer. A host processing unit utilization value representing utilization for the host computer including the plurality of virtual machines running on the host computer is also determined. A target coalescing rate is selected based upon the virtual processing unit utilization and host…

Page compressibility checker

Granted: March 21, 2017
Patent Number: 9600317
Techniques for checking the compressibility of a memory page that is allocated to a virtual machine (VM) running on a host system are provided. In one embodiment, the host system can determine a compression ratio for the memory page by compressing the memory page using a first compression algorithm. The host system can then compare the compression ratio to a threshold. If the compression ratio does not exceed the threshold, the host system can predict that the memory page is compressible…

Delivery of a user interface using hypertext transfer protocol

Granted: March 21, 2017
Patent Number: 9600350
A method is provided to remotely access an application hosted by a server and having a corresponding application graphical user interface (GUI) represented on the server, the method comprising: a client automatically sending GUI display update requests to the server throughout a duration of the access, the requests being HTTP requests over corresponding HTTP connections.

Method and system for cluster resource management in a virtualized computing environment

Granted: March 21, 2017
Patent Number: 9600373
Methods and systems for cluster resource management in virtualized computing environments are described. VM spares are used to reserve (or help discover or otherwise obtain) a set of computing resources for a VM. While VM spares may be used for a variety of scenarios, particular uses of VM spares include using spares to ensure resource availability for requests to power on VMs as well as for discovering, obtaining, and defragmenting the resources and VMs on a cluster, e.g., in response…

Extensible infrastructure for representing networks including virtual machines

Granted: March 21, 2017
Patent Number: 9602358
Embodiments provide a virtual machine infrastructure including an application model and a user interface for displaying data associated with a plurality of nodes. The user interface is arranged in a hierarchy of views. An application is added to the infrastructure by adding an edge category and a view extension to the infrastructure. The user interface simultaneously displays the added view extension together with a view extension provided by another application.

Systems and methods for providing secure communication

Granted: March 21, 2017
Patent Number: 9602537
A client includes a security agent configured to create a client certificate that corresponds to one or more client identifiers. A server includes a server certificate and is in communication with the security agent. The server is configured to facilitate establishing an initial mutually authenticated transport layer security (TLS) session with the client based on the client certificate and the server certificate. The server is also configured to extract the client certificate from the…

Live migration with pre-opened shared disks

Granted: March 7, 2017
Patent Number: 9588796
Examples perform live migration of virtual machines (VM) from a source host to a destination host. The live migration performs time-consuming operations before the source host is stunned, reducing the downtime apparent to users. Some examples contemplate pre-copying memory from the source VM to the destination VM, and the opening of disks on the destination VM before stunning the source VM.

Discovery of code paths

Granted: March 7, 2017
Patent Number: 9588872
Systems and techniques are described for tracking software code paths. A described technique includes receiving a first log of stack traces that includes a respective stack trace for each of a plurality of calls to access any of a plurality of data objects created during a first execution of an application, generating, for each of the stack traces in the first log, a script for a respective probe that identifies the data object accessed by the call corresponding to the stack trace, a…

Fast software L2 switching using a caching technique

Granted: March 7, 2017
Patent Number: 9590904
In a system that includes a physical forwarding element (PFE), the mapping of each possible destination MAC address to a destination port number of the PFE is stored in a mapping table. A destination port number on the PFE is identified for a first packet in a sequence of packets arrived at a source port of the PFE by searching the mapping table and stores the destination port number in a caching table. For each packet after the first packet, when the destination MAC address of the…

Automated touch screen zoom

Granted: February 28, 2017
Patent Number: 9582180
Systems and techniques are described for automated zoom and selection of content on a touch screen device. A described technique includes receiving a first touch input contacting a touch screen display of a user device at a first position in a user interface presented at a first magnification, while continuing to receive the first touch input determining that a duration of the first touch input has exceeded a predetermined threshold duration, and increasing, based on determining that the…

Compressed block map of densely-populated data structures

Granted: February 28, 2017
Patent Number: 9582198
Embodiments of the disclosure provide techniques for creating a compressed mapping structure in a system of resources. For example, a distributed resources system may use delta encoding to store, in memory, numerous entries of dense data structures in the system. In a compressed block of such entries, the distributed resources system encodes the key of each entry as the delta from the key of the previous entry. The content of each entry is encoded similarly. The distributed resources…

Efficient data deployment for a parallel data processing system

Granted: February 28, 2017
Patent Number: 9582209
This document describes techniques for efficient data deployment for a parallel data processing system. In one embodiment, a virtualization platform running a parallel processing application that includes one or more virtual data nodes receives a first command to write a data block to a storage device. The platform then determines whether the first command was sent by a first virtual data node. If the first command was sent by a first virtual data node, the platform then 1) writes, the…

Virtualization-aware data locality in distributed data processing

Granted: February 28, 2017
Patent Number: 9582221
A virtualized computing system for executing a distributed computing application, such as Hadoop, is discussed. The virtualized computing system stores data in a distributed filesystem, such as Hadoop Distributed File System, and processes data using a topology awareness that takes into account the virtualization layer of the virtualized computing system. The virtualized computing system employs locality-related policies, including replica placement policies, replica choosing policies,…

Methods and systems to hot-swap a virtual machine

Granted: February 28, 2017
Patent Number: 9582373
Methods and systems to limit the duration of a service interruption caused by a failed middleware application server are disclosed. One example method and system includes monitoring the operational status of a first virtual machine operating as a primary server and the operational status of a second virtual machine operating as a stand-by server and, based on the monitored operational status of the first and second virtual machines, performing a hot-swap to cause the second virtual…

Method and system to virtualize graphic processing services

Granted: February 28, 2017
Patent Number: 9582849
Methods and systems configured to virtualize graphic processing services in a virtual machine environment are disclosed. A virtual machine monitor (VMM) may be configured to maintain a virtual machine (VM) based on a host operating system (OS) executing in the system. The VM may contain a virtualized graphics library (vGLib) configured to support a graphic command from an application executing in the VM. The host OS may contain a graphics library (GLib) configured to support the graphic…

Memory buffer management method and system having multiple receive ring buffers

Granted: February 28, 2017
Patent Number: 9584446
The present invention is directed to a method and system of memory management that features dual buffer rings, each of which includes descriptors identifying addresses of a memory space, referred to as buffers, in which portions of data packets are stored. Typically, the header segment of each data packet is stored at a first set of a plurality of buffers, and the portion of the payload segment that does not fit among the buffers of the first set is stored in the buffers of a second set.…

Cryptographic proxy service

Granted: February 28, 2017
Patent Number: 9584492
A cryptographic proxy service may be provided. Upon determining that data associated with a network destination comprises at least some sensitive data, a cryptographic service may provide a security certificate associated with the network destination. The plurality of data may be encrypted according to the security certificate associated with the network destination and provided to the cryptographic service for re-encryption and transmission to the network destination.

Authentication to a remote server from a computing device having stored credentials

Granted: February 28, 2017
Patent Number: 9584503
Authentication to a remote-server from a computing device having stored credentials for the remote server is described. In one example, a method of authenticating a user to a remote server through a client application executing on a computing device includes: receiving, by the client application, a request to authenticate the user to the remote server using credentials stored on the computing device; prompting, by the client application, the user for gesture-based password;…

Monitoring network traffic by using event log information

Granted: February 28, 2017
Patent Number: 9584522
A solution is provided for associating network traffic traversing a networked environment according to a selected category item, such as a user name or other network entity identity-related information. The solution includes a collector and a monitor. The collector extracts a user name and a network address from an event log maintained on the networked environment. The monitor receives the network traffic and identifies at least one packet having a network address that matches the…

Placing a fibre channel switch into a maintenance mode in a virtualized computing environment via path change

Granted: February 28, 2017
Patent Number: 9584883
Techniques for placing a first fiber channel (FC) switch into maintenance mode in a virtualized computing environment in which each data store is connected to at least one host computing system via at least two FC switches are described. In one embodiment, a first active input/output (I/O) path from a data store to a host computing system via the first FC switch is identified. Further, a path change is initiated from the data store to the host computing system via any other FC switch…