Efficient traffic monitoring on SmartNICs through XDP co-design

Chuanhong Li; Bozhong Liu; Xu Zhou

doi:10.1117/12.3034877

11 July 2024 Efficient traffic monitoring on SmartNICs through XDP co-design

Chuanhong Li, Bozhong Liu, Xu Zhou

Proceedings Volume 13210, Third International Symposium on Computer Applications and Information Systems (ISCAIS 2024); 132100K (2024) https://doi.org/10.1117/12.3034877
Event: Third International Symposium on Computer Applications and Information Systems (ISCAIS 2023), 2024, Wuhan, China

Abstract

The explosive increase in cloud traffic has put forward higher requirements for network performance. As a key technology, smart network cards (SmartNICs) are of great significance for solving network performance bottlenecks in cloud environments. However, there is currently a lack of effective monitoring methods for the traffic flowing through smart network cards, making it a black box, which is not friendly to ensure the quality of service(QoS) for users. To alleviate it, in this paper, we propose a low-overhead collaborative design for data collection based on XDP in which the XDP program is attached to the VF representor(VF rep) which is the mandatory path for every traffic flow that is about to be offloaded to the SmartNIC to capture the necessary traffic information, and then the OVS command is used to obtain detailed traffic statistics offloaded. The collaborative design not only provides sufficient valuable information for SREs to understand the health status of the network, which is important for the QoS assurance but also has negligible performance overhead due to the inherent low overhead of the XDP program. Experimental results show that the proposed method costs less than 1% latency and throughput overhead to provide the desired information, which demonstrates our method is effective.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chuanhong Li, Bozhong Liu, and Xu Zhou "Efficient traffic monitoring on SmartNICs through XDP co-design", Proc. SPIE 13210, Third International Symposium on Computer Applications and Information Systems (ISCAIS 2024), 132100K (11 July 2024); https://doi.org/10.1117/12.3034877

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