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Data transmission method, device and equipment and readable storage medium

A data transmission method and data writing technology, applied in the computer field, can solve problems such as poor fault tolerance and maintainability, low communication efficiency, and high communication cost, and achieve the effects of avoiding transmission errors, reducing communication costs, and improving communication efficiency

Pending Publication Date: 2021-03-09
SANGFOR TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, in the process of using the virtual serial port device to transmit data, the data needs to be transferred from the application layer to the kernel layer for multiple forwarding, resulting in low communication efficiency and prone to problems, poor fault tolerance and maintainability, communication The cost is also higher

Method used

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  • Data transmission method, device and equipment and readable storage medium
  • Data transmission method, device and equipment and readable storage medium
  • Data transmission method, device and equipment and readable storage medium

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0040] At present, the virtual machine and the host communicate through the virtual serial device installed on the virtual machine. During the communication process, the data needs to be transferred from the application layer to the kernel layer, and multiple forwarding is performed, resulting in low communication efficiency and prone to problems. , the fault tolerance and maintainability are also poor, and the communication cost is also high. To this end, the present application pr...

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Abstract

The invention discloses a data transmission method, device and equipment and a readable storage medium. The method disclosed by the invention is applied to a virtual machine, and comprises the following steps: storing target data into a virtual memory of the virtual machine; determining a virtual memory address for storing the target data; and writing the virtual memory address into a register, and sending an interrupt message to the host, so that the host reads the virtual memory address from the register, converts the virtual memory address into a physical memory address, and reads the target data according to the physical memory address. The virtual machine and the host communicate through a virtual machine memory and a register shared by the virtual machine and the host, so that the communication efficiency, the fault-tolerant capability and the maintainability are improved, and the communication cost is reduced. Correspondingly, the invention also provides a data transmission device and equipment and a readable storage medium, which also have the above technical effects.

Description

technical field [0001] The present application relates to the field of computer technology, and in particular to a data transmission method, device, equipment and readable storage medium. Background technique [0002] Currently, the virtual machine and the host communicate through a virtual serial port device installed on the virtual machine. Among them, in the process of using the virtual serial port device to transmit data, the data needs to be transferred from the application layer to the kernel layer for multiple forwarding, resulting in low communication efficiency and prone to problems, poor fault tolerance and maintainability, communication The cost is also higher. [0003] Therefore, how to improve the communication efficiency between the virtual machine and the host is a problem to be solved by those skilled in the art. Contents of the invention [0004] In view of this, the purpose of the present application is to provide a data transmission method, device, dev...

Claims

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Application Information

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IPC IPC(8): G06F9/455G06F15/167
CPCG06F9/45558G06F15/167G06F2009/45583Y02D10/00
Inventor 傅开庭
Owner SANGFOR TECH INC
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