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A method for improving network service quality in high-speed network card/dpu

A network service and network card technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of lack of effective methods, limited bandwidth performance, PCIe protocol throughput, etc., to achieve good throughput performance, reduce The effect of the number of transfers

Active Publication Date: 2021-12-28
浙江锐文科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

However, there is no effective method for the processing of applications with different requirements in the same device; in addition, the communication between the smart network card DPU and the CPU is usually completed through PCIe, and the number of network message bytes is small (usually 64 bytes-1518 bytes) Due to the characteristics of PCIe bandwidth redundant consumption, especially high-speed (100Gbps and above) SmartNIC / DPU small packet (256 bytes and below) bandwidth performance is limited by the throughput of the PCIe protocol

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0036] refer to figure 1 , the present invention is a method for improving network service quality in a high-speed network card / DPU,

[0037] According to this invention, the implementation method and process in the smart network card / DPU are as follows:

[0038] (1) The smart network card / DPU parses the packets entering the network card from the optical port;

[0039] (2) Use the mask-base...

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Abstract

The present invention proposes a method for improving network service quality in a high-speed network card / DPU. Messages that are sensitive to delay are transmitted in an absolute priority manner. For network messages that require bandwidth, in order to improve bandwidth utilization, through The method of combining the algorithm to calculate the length of the package can flexibly schedule network packets in the application of different requirements, so as to meet different applications. On the same device, for different requirements for delay and bandwidth, the received network packets are 256 By this method, the number of transmissions from the intelligent network controller / DPU to the intelligent network card at the PCIe end can be reduced to achieve the best throughput performance. At the same time, different bandwidths and delayed service.

Description

technical field [0001] The invention relates to the technical field of intelligent network card / DPU, in particular to a method for improving network service quality in a high-speed network card / DPU. Background technique [0002] With the application of technologies such as 5G and IoT and the deployment of networks, network throughput and access volume have increased significantly, and the pressure of network packet processing has converged on the server side. With the increase of bandwidth, from 25GbE to 100GbE, the network needs multiple The CPU core participates in the processing, which has to affect the business being processed by the CPU. Using the smart network card to assist the CPU in processing network packets can release CPU resources. The DPU (data processing unit) is an upgraded version of the smart network card, which can also offload the network and storage load on the basis of the smart network card, so that the CPU can participate in more services. [0003] I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/819H04L12/851H04L47/21
CPCH04L47/215H04L47/24
Inventor 阎燕庄建林
Owner 浙江锐文科技有限公司
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