SC22 Proceedings

The International Conference for High Performance Computing, Networking, Storage, and Analysis

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A DPU Solution for Container Overlay Networks


Workshop: SC22 SuperCompCloud: 6th International Workshop on Interoperability of Supercomputing and Cloud Technologies

Authors: Anton Njavro (Boston University), Taylor Groves and Nicholas Wright (National Energy Research Scientific Computing Center (NERSC)), James Tau (NVIDIA Corporation), and Richard West (Boston University)


Abstract: There is an increasing demand to incorporate hybrid environments as part of workflows across edge, cloud, and HPC systems. In a such converging environment of cloud and HPC, containers are starting to play a more prominent role, bringing their networking infrastructure along with them. However, the current body of work shows that container overlay networks, which are often used to connect containers across physical hosts, are ill-suited for the HPC environment. They tend to impose significant overhead and noise, resulting in degraded performance and disturbance to co-processes on the same host.

This presentation focuses on utilizing a novel class of hardware, Data Processing Unit, to offload the networking stack of overlay networks away from the host onto the DPU. We intend to show that such ancillary offload is possible and that it will result in decreased overhead on host nodes which in turn will improve the performance of running processes.





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