In-person + Virtual
October 24-28
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Thursday, October 27 • 2:30pm - 3:05pm
Five Ways With a CNI: Understanding Kubernetes Networking For Performance-Intensive Workloads - Stig Telfer, StackHPC Ltd & Erez Cohen, Nvidia

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Network abstractions are a cornerstone of Kubernetes, interconnecting containers, pods and services, both across the cluster and beyond. Historically this rich functionality often came at the expense of performance. However, recent innovations and new implementations of the Kubernetes Container Network Interface (CNI) have transformed the Kubernetes networking landscape. Some classes of scientific computing workloads are highly network-intensive: sensitive to network performance to a degree that renders them unsuitable for execution in a Kubernetes context. In machine learning, the most demanding distributed training applications are also becoming increasingly network-intensive. The CNIs now available offer different architectures and technologies. Many claim performance advantages over their predecessors. How can we distinguish between them? In this talk we describe the leading CNIs, and use real-world benchmarks to compare and analyze performance for demanding workloads.

avatar for Stig Telfer

Stig Telfer

CTO, StackHPC Ltd
Stig has a background in R&D working for various prominent technology companies, particularly in HPC and software-defined networking. Stig is now CTO for StackHPC, a consultancy specialising in the convergence of cloud, HPC and big data. Stig is also co-chair of the OpenStack Scientific... Read More →

Erez Cohen

VP, nvidia
Erez Cohen acts as NVIDIA Mellanox Vice President for Cloud Programs, responsible for all aspects of the programs including strategy, architecture, and implementation. The Cloud programs span across multiple cloud solutions including OpenStack, Kubernetes, Microsoft and VMware and... Read More →

Thursday October 27, 2022 2:30pm - 3:05pm EDT
Virtual Platform Only