60 results about "Virtual appliance" patented technology

The invention relates to the technical field of distributed architectures, and discloses a multi-screen cooperative control method based on an OpenHarmony distributed architecture and an all-in-one machine system.The method comprises the steps that a broadcast frame found by equipment is sent through an OpenHarmony distributed soft bus, security authentication is conducted on a plurality of display terminals responding to the broadcast frame, a virtual bus channel is established, and the virtual bus channel is sent to the display terminals; obtaining a virtual device group; creating a distributed industrial data object on the main control equipment of the virtual equipment group and synchronizing the distributed industrial data object to each slave display terminal to obtain a distributed data model; mapping the anonymous shared memory to an annular buffer area; and writing real-time data acquired by the industrial field equipment into an annular buffer area, and transmitting the real-time data to each slave display terminal of the virtual equipment group, in the method, each display terminal accesses an agent instance of an industrial data object through a distributed data management framework; and the requirements of high reliability, low delay and high consistency on multi-screen cooperative control in an industrial field are met.

A method for creating firmware-dedicated queues for storage system multi-queue operation is provided. The method includes providing a controller to manage a plurality of input / output (IO) operations between hosts and virtual disks by issuing the plurality of IO operations to a plurality of queues comprising submission queues and completion queues, wherein one or more submission queues are mapped to each completion queue. The method also includes configuring at least one submission queue as a FW-dedicated queue for submitting internal IO operations initiated by firmware (FW) associated with the controller. The method further includes adding one or more parameters in FW-queue-related fields in a controller device state table for each device of the virtual disks. The one or more parameters include at least a first parameter to enable the FW-dedicated queue for only submitting the internal IO operations in parallel with other queues to the device.

The present disclosure relates to the field of edge cloud technology, and discloses a domain name resolution method, a system, an apparatus, a device, and a medium for edge computing. The domain name resolution method includes: acquiring a first domain name resolution request forwarded by a virtual device through a network module; converting the first domain name resolution request into a second domain name resolution request, and sending the second domain name resolution request to an authoritative domain name system; and receiving a resolution result of the second domain name resolution request by the authoritative domain name system, and forwarding the resolution result to the virtual device through the network module.

The invention relates to the technical field of docking station remote control, in particular to a cloud management-based micro host docking station remote control system, which comprises a multi-tenant resource slice configuration module for receiving a multi-tenant configuration instruction according to a cloud management platform and establishing a virtual docking station resource allocation table. According to the method and the device, the specific USB port, the specific HDMI port, the specific power budget and the specific network bandwidth limit value are bound with the unique tenant voucher by establishing the virtual docking station resource allocation table, so that a shared physical device is converted into a plurality of logically independent virtual devices, the problems of resource scrambling and security interference in a multi-tenant environment are solved, and the service life of the virtual docking station is prolonged. And when the behavior of one tenant, such as connection with high-power consumption equipment or malicious USB equipment, is strictly limited in the allocated resource quota, and does not affect other tenants, so that the stability and the safety of the platform are ensured.

The invention relates to the technical field of virtual machines, and particularly discloses an equipment complete virtualization framework for a real-time operating system virtual machine (ZVM), which comprises a hardware platform, the ZVM and at least one client operating system, the ZVM is used for carrying out scheduling management and resource isolation on at least one guest operating system and providing at least one virtual device for each guest operating system; wherein the virtual equipment comprises a virtual equipment abstraction layer which is used for providing an equipment access interface for a client operating system; the virtual equipment simulation layer is used for intercepting and analyzing an equipment operation request initiated by a client operation system and simulating behavior logic of hardware equipment; and the data forwarding layer is used for forwarding part of the requests to hardware equipment of the hardware platform. By adopting the technical scheme provided by the invention, efficient multiplexing, safe access and real-time scheduling support of the same hardware equipment among multiple systems can be realized.

A method (500) of configuring a device that is to be added to a wireless network system is disclosed. The method (500) comprises: receiving (502) a signal indicative of that the device has been ordered by a user, receiving (504) device information about the ordered device, wherein the device information comprises at least information indicative of a type of the ordered device, generating (506) a virtual counterpart of the ordered device based on the device information, storing (508) the virtual counterpart in a memory, receiving (510), at a system controller of the wireless network system, one or more wireless signals from a newly added device that has been added to the wireless network system, wherein the one or more wireless signals are indicative of device information of the newly added device, wherein the device information of the newly added device comprises at least information indicative of a type of the newly added device, comparing (512) the device information of the newly added device with the device information of the ordered device to determine if the device information of the newly added device corresponds with the device information of the ordered device, and, if the device information of the newly added device corresponds with the device information of the ordered device, associating (514) the virtual counterpart with the newly added device.

The application discloses a server scheduling method and system, a computer program product, equipment and a medium, relates to the technical field of solid state disks, obtains a set load balancing scheduling strategy; determines running state information of each virtual server; determines the number of virtual devices of each virtual server; based on the running state information and the number of virtual devices, selects a target virtual server according to the load balancing scheduling strategy; and transmits address information of the target virtual server to a flash translation layer, so that the flash translation layer applies virtual devices to the target virtual server according to the address information. The application is equivalent to comprehensively considering the running state and the number of virtual devices of all virtual servers, selecting a target virtual server with balanced load, and compared with a mode of sequentially or only relying on load to select a target virtual server, the required target virtual server can be more evenly selected, so that the flash translation layer can more efficiently utilize resources of the virtual server.

The embodiment of the invention provides a server control method and device, a computer program product and a storage medium. After a target server is started, an original physical network card on a target physical machine can be directly connected to a management and control instance running on the target server through an equipment direct connection technology, and an equipment interface corresponding to the physical network card can be created in the management and control instance according to a required equipment type; the equipment interface can be used for controlling the physical network card to be communicated to a cloud resource corresponding to the equipment type; moreover, in the target server, the device interface in the management and control instance can be presented as the virtual device, and on this basis, the workload can access the required cloud resources by using the appropriate virtual device. Accordingly, a communication architecture capable of being communicated to the cloud resources can be built in the target server, and on the basis of the communication architecture, the work load can be supported to access the required cloud resources by using an original physical network card on the target server without depending on a customized intelligent network card.

The invention provides a GPU (graphics processing unit) virtualization processing method, device, equipment, medium and product, which are applied to the technical field of virtualization, and the method comprises the following steps: deploying a virtual GPU monitor drive under the condition that GPU hardware of a physical host does not support a single-root I / O (input / output) virtualization function, and executing the single-root I / O virtualization function through the virtual GPU monitor drive; performing virtualization cutting on hardware resources of the GPU hardware to obtain a plurality of pieces of virtual GPU equipment; the virtual GPU device is allocated to one or more virtual machines such that the virtual machines use hardware resources of the GPU hardware through the virtual GPU device. According to the embodiment of the invention, virtualization cutting is carried out on GPU hardware which does not support a single-root I / O virtualization function through the virtual GPU monitor drive, the use limitation of the GPU hardware which does not support SR-IOV is avoided, and the resource utilization rate is improved.

The application provides a virtual information processing method, device and storage medium. The method comprises the following steps: a host system creates a virtual device instance, allocs hardware resources and a continuous memory area for the virtual device instance, generates and stores first configuration information corresponding to a physical hardware control register area and second configuration information indicating the memory area, and transmits a real physical base address of the memory area to the virtual device instance; after a virtual machine binds the virtual device instance, the virtual machine completes zero-copy data processing according to the real physical base address, the first configuration information and the second configuration information. Through virtual device instantiation, independent memory allocation and direct transmission of a physical base address, the virtual machine can directly initiate a hardware DMA operation, the data copying overhead is saved, a single physical hardware can be safely shared by multiple virtual machines, and the I / O performance of a virtualization environment and the hardware utilization rate are improved.

This invention provides an NVMe virtualization method, system, medium, and device with real-time processing capabilities, including: initializing a physical resource pool module; creating several kernel threads as I / O controllers; initializing a tenant management module; after a virtual machine is created, the tenant management module creates a virtual device for it and binds it to the virtual machine; assigning the virtual device to a currently active I / O controller for communication and configuration; and the I / O controller runs based on an algorithm to perform global I / O and bandwidth tiering and real-time processing. Based on the existing NVMe-Mdev framework, this invention provides an NVMe storage service system with bandwidth tiering and real-time processing capabilities that can be directly deployed in current virtual machine-based cloud environments.

This invention discloses a cloud platform and method for industrial equipment operation and maintenance. The platform includes: a field device system, including a PLC controller, for acquiring operational data of the industrial equipment; a field sensing system, with Kepware industrial configuration software installed on terminal devices; the terminal devices are connected to the PLC controller to acquire and process the operational data; a data transmission system for uploading the processed operational data to a cloud database; a cloud platform backend system, on which virtual devices corresponding to the industrial equipment are deployed, storing the received operational data and adjusting the state of the virtual devices based on the operational data; and a cloud platform frontend system for visually displaying the state of the virtual devices. This invention, by installing Kepware industrial configuration software on the terminal devices, can significantly reduce equipment costs and is easy to implement. This invention can be widely applied in the field of Internet of Things (IoT) technology.

A message forwarding method for a programmable chip includes: obtaining first instance configuration information input by a first user; creating a first virtual instance on a control system based on the first instance configuration information; obtaining parameter information of a first service panel port; and configuring the first virtual instance based on the parameter information of the first service panel port to create a corresponding first virtual device. In this application, the method creates a virtual instance in the control system and creates a virtual device corresponding to the service panel port within the virtual instance, allowing the user to see the service panel port within the virtual instance. When the user uses the virtual instance, the APP runs within the virtual instance, allowing the APP to send control messages using the service panel port corresponding to the virtual device within the virtual instance. This method eliminates the need to configure interfaces to call the service panel port, thereby reducing the development cost of programmable devices. The forwarding function of the programmable device constructed by this method is compatible with various APPs, thus expanding the application scenarios of programmable devices.

The embodiments of the present application provide an I / O offloading method, device, system and storage medium in a cloud environment. In the embodiments of the present application, a queue component is added to the CPU of the host, and it is innovatively proposed to use the queue component in the I / O processing process. Based on this, a virtual I / O device and a device queue corresponding to the virtual I / O device can be provided for the instances on the host through the queue component; within the CPU, the device queue is used to schedule the I / O requests that occur between the instance and the virtual I / O device; and the original I / O offloading card only needs to be responsible for listening to the I / O requests in the device queue and transferring the data related to the I / O requests. In this way, the device queue in the I / O processing process can be moved up to the CPU, so that in the I / O scheduling process, it can联动 with each component in the CPU, obtain the real-time loads of each core in the CPU, and thus more reasonably implement I / O scheduling instead of blindly scheduling, which can effectively improve the I / O processing efficiency. It should be noted that the "联动" in the original text seems to be a misspelling. It might be "联动" which is not a standard English word. I've translated it as "联动" for now. If it has a specific correct English expression, please let me know and I can adjust it.

There are disclosed examples for virtual device for synchronized rendering. In examples, there are provided a system (e.g. 4) for assisting a streaming and a rendering of remote media content, the system including: an interface (e.g. 410) to a plurality of remote player devices (e.g. 10), each controlling at least one media renderer unit (e.g. 1) and having playback capabilities and / or playback conditions; an interface (e.g. 405) to at least one remote media distribution network, CDN (e.g. 5, 5a); an interface (e.g. 403) to a remote user application (e.g. 3), to send, to the user application, a list of the remote player devices (e.g. 10a, 10b, lOd, lOd), and to receive, from the user application, a selection on a plurality of remote player devices (e.g. 10a, 10b, lOd) to be part of a virtual device (e.g. 110) for a synchronized media playback, the system (e.g. 4) being configured to distribute roles among the remote player devices (e.g. 10a, 10b, lOd) of the virtual device (e.g. 110), based on the selection performed by the user application (e.g. 3), the system (e.g. 4) being configured to send, to at least one (e.g. 10a) of the remote player devices (e.g. 10) of the virtual device (e.g. 110), role information (e.g. 137a) which includes instructions on a respective role of each remote player device (e.g. 10) of the virtual device (e.g. 110) for participating to the synchronized media playback, the system (e.g. 4) being configured to send, to at least one of the remote player devices (e.g. 10), information (e.g. on media content to be retrieved and rendered in the synchronized media playback.

The application relates to the technical field of cloud computing and smart network cards, and provides a cloud disk implementation method and device, a smart network card, a server and a storage medium, the method comprising the following steps: when the server is started, reading an Expansion Rom file from the smart network card, loading a virtual device driver program in the file, reading the state of a virtio-blk device in the smart network card through the virtual device driver program, the state being set by the smart network card according to the mounting condition of a detected cloud disk, and a one-to-one logical relationship existing between the virtio-blk device and the corresponding cloud disk; judging whether the cloud disk is in a ready state according to the state of the virtio-blk device; if the cloud disk is in the ready state, continuing to execute the virtual device driver program and starting the cloud disk after the execution is completed. The application can reduce the failure probability of starting the server with the cloud disk as a system disk, and improve the reliability.

The application discloses a virtual beamline software platform for an advanced synchrotron radiation light source, and belongs to the fields of synchrotron radiation experiment simulation, control technology and data processing. The platform adopts a three-layer architecture of a user interaction layer, a virtual device layer and a data management layer, and supports two working modes of full simulation experiment based on a physical model and data reproduction based on a historical data set. The core lies in that the physical device is abstracted into a virtual instance conforming to the EPICS standard through the virtual device layer, seamless compatibility with real control code is realized, the user interaction layer is based on the Bluesky framework to arrange an experiment process, and the data management layer adopts block reading and memory mapping technology to optimize the access efficiency of massive scientific data. The application solves the experiment process fault caused by the fragmentation of an existing tool chain, realizes full-process high-fidelity virtualization from experiment design, device control to data acquisition and analysis, and provides a unified software environment for construction, debugging and operation optimization of the synchrotron radiation light source.

The embodiment of the invention discloses a data processing method, electronic equipment, a medium and a program product. The method comprises the following steps: creating a first virtual device corresponding to a mechanical hard disk for a system through the mechanical hard disk, and registering the first virtual device as a back-end device in a cache management device; creating a second virtual device corresponding to the solid state disk for the system through the solid state disk, and registering the second virtual device as a cache device in the cache management device; and creating a third virtual device for the system through the mechanical hard disk, and taking the third virtual device as a resource access entrance for data processing. According to the scheme, the third virtual equipment with higher performance can be externally provided as a resource access entry under the condition that a rear end supports rapid cache storage by using a cache technology, so that the input, output and transmission rates of data are improved, the advantages of the cache technology are further exerted, and the resource utilization rate is improved. And under dual acceleration of cache storage and high-speed transmission, the data processing efficiency is improved.

The invention provides an SDN (Software Defined Network) rule generation method and system based on a virtualization simulation technology. The method comprises the following steps: identifying a test scene according to an input text of a user; performing test flow arrangement according to the test scene; generating a flow table; generating test flow according to the flow table; and verifying the flow table rule. According to the method, the problem of a joint test environment of a pain point, physical equipment and virtual equipment in the construction of a software defined network large-scale exchange node test environment is solved. The problems that an existing network testing instrument is complex in process and difficult to configure are solved; the test case generation efficiency is improved; the test case coverage rate is improved, and the regression test time is greatly shortened.

The invention discloses a dual-script engine simulation method and system for an intelligent fusion terminal, and relates to the technical field of dual-script engine simulation. According to the method, the intelligent fusion terminal is tested through virtual equipment templated configuration, multi-dimensional protocol intelligent perception, instruction differentiation processing and double-engine load balancing design by simulating the interactive response of the virtual equipment and various hardware equipment, so that a large number of real equipment is not needed, and the test environment and equipment cost are remarkably reduced; a shadow storage area is preferentially called through query, script verification is set, and data safety and accuracy are guaranteed; double-engine scenarized matching and dynamic load balancing are achieved, and the resource utilization rate and the system stability are improved; the expansion cost is reduced through unknown protocol self-learning and template management, and finally the efficient, flexible, safe and extensible simulation interaction target between the intelligent fusion terminal and the virtual device is achieved.

The invention discloses a browser fingerprint anti-tracking method applying cross-layer collaboration, and relates to the technical field of information security. According to the method provided by the invention, anti-tracking is realized through cross-layer collaboration of an application layer, a kernel layer, a feedback layer and a storage layer, the application layer monitors API calling by means of an extension plug-in, and the kernel layer monitors API calling by means of the extension plug-in; a cloud virtual device pool is combined to detect data tampering and operation time association to judge request legality, a kernel layer performs hierarchical protection on multiple types of fingerprints, including pixel disturbance and secondary confusion encryption, a feedback layer ensures the protection effect through triple verification, parameters are adjusted if the protection effect does not reach the standard, and a storage layer performs encryption storage with a preset key. Server synchronization and block chain backup are supported, so that the method adapts to various environments, data security is guaranteed, a user is endowed with a control right, a third party is effectively prevented from illegally collecting and abusing fingerprint data, and the risk of privacy disclosure and precise fraud is reduced.

A reconfigurable infrastructure system comprising a networked cloud of edge computing infrastructure, cloud computing infrastructure, at least one virtual appliance, at least one edge device, and at least one medium controller.

This invention discloses a traffic acquisition method and system based on eBPF, belonging to the field of digital information transmission technology. The method includes: filtering first metadata based on the mapping relationship between indicators, network identifiers, and target locations; obtaining second metadata along with its network identifier and target location; generating tunnel metadata; and sending the tunnel metadata to a VXLAN virtual device. The first metadata is filtered and marked using a mapping table; the identification and redirection of the first metadata are completed in kernel mode, avoiding resource overhead caused by user-mode transfer and copying; only the filtered traffic is mirrored, avoiding bandwidth pressure on the cloud virtual network caused by full mirroring; packet encapsulation is uniformly processed by the kernel-mode VXLAN virtual device, reducing the complexity of header processing and the risk of failure; the mapping table updates changes to the objects of the first node, reducing manual maintenance; and meeting the needs of traffic analysis, auditing, and security detection.

An access method of a storage device and a virtual device are provided. The storage device supports a single root input output virtualization (SR-IOV), the storage device is virtualized as at least two virtual functions (VFs), the access method comprises: in response to an input / output (I / O) request for the storage device by an application, transmitting the I / O request to a corresponding VF by a virtual machine, the VF writing a completion message of the I / O request to a completion queue (CQ); querying the CQ in a polling manner by a processor of the virtual machine; and if there is the completion message of the I / O request in the CQ, returning the completion message to the application by the virtual machine. Since the storage virtualization system processes I / O requests in a polling manner, this manner avoids the delay and overhead caused by the interruption, and enables the application to improve I / O efficiency, and finally enables the random parallel read and write performance of the virtual machine using SR-IOV technology to allocate high-speed SSDs, to be improved significantly.

The embodiment of the invention relates to a container resource scheduling method and device and a computer program product. The method includes detecting whether there is an idle set of virtual devices that are not allocated to one or more container groups in response to the absence of available virtual devices among the virtual devices allocated to the one or more container groups on the host. The method also includes, in response to the absence of the set of virtual devices, processing, using a CPU of the host, a workload of the one or more container groups. According to the scheme, the utilization of idle acceleration resources can be promoted during the fault period of the container group, and unnecessary CPU occupation can be avoided as far as possible, so that system resources can be utilized more reasonably and efficiently.

The embodiment of the present application provides a kind of construction method and device of hybrid virtual device, by determining data source type, and based on the data source type determines starting point input-output module;Determine function module;Determine output data type, and based on the output data type determines terminal input-output module;Using the starting point input-output module, function module and the terminal input-output module generates multiple independent virtual devices;Using multiple the independent virtual device constructs hybrid virtual device, so that virtual device realizes the specific device function on chip, reduces equipment redundancy.

A user equipment (UE) device may communicate with a base station using signals reflected off a network-independent intelligent reflecting surface (IRS). The UE device and the IRS may form part of a virtual UE device, the components of which communicate with each other and with other virtual UE devices over a channel control plane (CCP) separate from the control and data plane of the base station. The CCP may be used to perform control functions for the virtual UE device such as channel estimation, synchronization, scheduling, sensing, and beamforming. The IRS may be controlled by the UE device, a service controller, or itself. Grouping the UE device and IRS into a virtual UE device may keep the structure the presence of the IRS transparent to the network while allowing the UE device to have more beneficial channel propagation properties relative to when the IRS is registered to the network.

The application relates to the technical field of embedded system bus communication and device management, and provides a method for accessing multiple same-address devices by using extended I2C. By constructing a virtual device mapping table, and carrying out access request conversion and channel switching control through channel management middleware, the problem that multiple same-address slave devices on the same I2C bus cannot be concurrently and reliably accessed is solved, the method has the advantages that physical channels can be safely switched during the idle period of the bus, access conflict avoidance and unified management are realized through kernel-level scheduling, and the reliability of multi-device access and the maintainability of the system are improved.

The invention provides a flow statistical method and device for cloud virtual equipment and electronic equipment, and relates to the technical field of data processing, and the method comprises the steps: monitoring a first application, currently running in a foreground, of the cloud virtual equipment; obtaining audio and video data of the first application; obtaining a target data packet to be subjected to stream pushing according to the first application and the audio and video data; sending the target data packet to the client; receiving a feedback data packet of the target data packet sent by the client; and according to the feedback data packet, counting the flow of the cloud virtual device under different applications, and realizing flow statistical query with finer granularity.

The embodiment of the invention relates to a resource access method and computing equipment. The method comprises the steps that an equipment discovery request is sent to second computing equipment through NTB; receiving a response of the second computing device to the first computing device, wherein the response comprises device information of computing resources on the second computing device; creating a virtual PCIe device corresponding to the computing resource on a PCIe bus of the first computing device based on the device information; and based on the virtual PCIe device and the NTB, accessing a computing resource on the second computing device to execute a corresponding computing task. The first computing device can transparently access and use the physical computing resources on the second computing device based on the virtual device and the NTB link so as to execute corresponding computing tasks, so that the first computing device can seamlessly bring far-end resources into the local for unified use without sensing a complex distributed architecture, and the implementation is convenient. Low-delay and high-bandwidth resource expansion can be realized, and meanwhile, the system complexity and the overall hardware cost are remarkably reduced.