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Data retransmission method and system, network adapter, device, server and storage medium

A data retransmission, network card technology, applied in the field of communication, can solve the problem of heavy memory burden, aggravate network delay effect, etc., to achieve the effect of improving confirmation efficiency

Pending Publication Date: 2020-10-16
BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, this has caused a heavy burden on the CPU (central processing unit, central processing unit) and memory of the host, and on the other hand, it has aggravated the network delay effect.

Method used

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  • Data retransmission method and system, network adapter, device, server and storage medium
  • Data retransmission method and system, network adapter, device, server and storage medium
  • Data retransmission method and system, network adapter, device, server and storage medium

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Embodiment Construction

[0058] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way intended as any limitation of the disclosure, its application or uses. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

[0059] Relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

[0060] At the same time, it should be unders...

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Abstract

The invention relates to a data retransmission method and system, a network adapter, a device, a server and a storage medium. The data retransmission method comprises the following steps: continuouslychecking received data messages in a predetermined receiving window, and recording data packet serial numbers of all lost data messages in the predetermined receiving window; after the predeterminedreceiving window, sending a negative acknowledgement message to a sender device, the negative acknowledgement message including the data packet serial numbers of all lost data packets within the predetermined receiving window. According to the invention, NAK is carried out on the messages in the receiving window in batches, so that the acknowledgement efficiency is improved.

Description

technical field [0001] The present disclosure relates to the communication field, and in particular to a data retransmission method and system, a network card, a device, a server and a storage medium. Background technique [0002] In the traditional TCP / IP (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Protocol) Ethernet network, in the process of message processing, the message needs to be stored in the buffer of the network controller, the main memory of the kernel mode system, and the main memory of the user mode system. copy multiple times. On the one hand, this creates a heavy burden on the CPU (central processing unit, central processing unit) and memory of the host, and on the other hand, it aggravates the network delay effect. [0003] RDMA (Remote Direct Memory Access) is a new remote direct memory access technology. With this technology, PCIe (peripheral component interconnect express, high-speed serial computer expansion ...

Claims

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Application Information

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IPC IPC(8): H04L1/16H04L5/00
CPCH04L1/1607H04L5/0055
Inventor 王建东
Owner BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD
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