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Communication method and device

A communication method and a technology for sharing information, applied in the field of communication in a cloud environment, can solve problems such as reducing system efficiency and increasing data transmission steps

Active Publication Date: 2021-02-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, applications running on virtual machines on the host communicate through RDMA, which requires multiple virtualization and data forwarding, which increases the steps required for data transmission, resulting in a large amount of network overhead and delay, reducing system efficiency

Method used

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  • Communication method and device
  • Communication method and device
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Embodiment Construction

[0044] In order to make the above purpose, technical solution and advantages of the present application easier to understand, a detailed description is provided below. The detailed description presents various embodiments of devices and / or processes by using block diagrams, flowcharts, and / or examples. Since these block diagrams, flowcharts, and / or examples contain one or more functions and / or operations, those skilled in the art will understand that these block diagrams, Each function and / or operation within the flowchart or example.

[0045] RDMA technology was created to solve the delay of host-side data processing in network transmission. RDMA directly transfers the data in one host to the storage area of ​​another host through the network, and quickly moves the data from one system to the storage of other systems without affecting the operating system of the system, so that it does not need to use many The computing and processing functions of this system. It eliminate...

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Abstract

The invention provides a data transmission method and a device for realizing the method. In the current method, when application programs operated by virtual equipment on a host communicate through remote direct memory access, multiple virtualization and data forwarding need to be carried out, the steps needing to be carried out for data transmission are increased, and therefore a large amount ofnetwork expenditure and time delay are generated. In order to solve the problem of low efficiency caused by a current method, an application program on the virtual device applies for a shared memory and performs data transmission with other application programs by utilizing the shared memory. Through the method, the steps required for data transmission between the application programs on the virtual equipment are reduced, and the network overhead and the time delay are reduced, so that the system efficiency is improved.

Description

technical field [0001] The technology relates to the field of network communication, and in particular to a communication method and device in a cloud environment. Background technique [0002] With the rapid development of network virtualization technology, more and more application programs (Application, APP) run on virtual machines. In order to improve the efficiency of network communication, the communication between the application programs on the host computer usually adopts the remote direct memory access (full name in English: Remote Direct Memory Access, abbreviation: RDMA) way to communicate. RDMA refers to transferring data directly to the memory of the computer through the network, and quickly moving the data from one system to the memory of the remote system without any impact on the operating system, thereby solving the delay problem of host-side data processing in network transmission. When the application running on the virtual machine on the local host and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/24
CPCH04L67/34H04L41/0893H04L67/56G06F12/109G06F2212/657G06F2212/151G06F9/544G06F15/17331G06F9/45558G06F9/5077G06F12/10G06F2009/45583
Inventor 肖露魏明昌
Owner HUAWEI TECH CO LTD