Peter Phaal

393 posts

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Peter Phaal

Peter Phaal

@sFlow

San Francisco Katılım Haziran 2009
53 Takip Edilen326 Takipçiler
Peter Phaal
Peter Phaal@sFlow·
Learn how standard measurements from data center switches provides visibility into RDMA traffic from AI / ML workloads. Troubleshoot latency and drops. Includes live dashboards showing production traffic. blog.sflow.com/2026/03/nanog9…
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NANOG
NANOG@nanog·
N96 Talks are Streaming! youtube.com/playlist?list=… The N96 talks are on YouTube! 🎥✨ Whether you couldn’t make it in person or just want to relive the best moments, the full lineup is available! Subscribe to our YouTube + keep the conversation going long after the conference.
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Peter Phaal
Peter Phaal@sFlow·
The SDSC Expanse cluster live AI/ML metrics dashboard is a joint InMon / San Diego Supercomputer Center (SDSC) demonstration at SC25 conference being held this week in St. Louis. Click on the dashboard link during the show to see live traffic. blog.sflow.com/2025/11/sc25-s…
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Peter Phaal
Peter Phaal@sFlow·
Industry standard packet sampling in data center switch hardware from all leading vendors (Arista, Cisco, Dell, Juniper, NVIDIA, etc.) provides a cost effective solution for even the largest AI / ML fabrics. blog.sflow.com/2025/10/ai-ml-…
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Peter Phaal
Peter Phaal@sFlow·
Trimming packets that would otherwise be dropped in AI/ML networks is part of Ultra Ethernet congestion control and currently supported in NVIDIA switches and adapters. Monitoring trimmed packets is a useful metric for network visibility blog.sflow.com/2025/09/packet…
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Peter Phaal
Peter Phaal@sFlow·
pwru (packet, where are you?) is an open source tool from Cilium that used eBPF instrumentation in recent Linux kernels to trace network packets through the kernel. Try it out using Multipass on your laptop. blog.sflow.com/2025/07/tracin…
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Peter Phaal
Peter Phaal@sFlow·
Grafana dashboard showing performance metrics for AI/ML RoCEv2 network traffic used for inter-GPU communications. Includes step by step instructions to give it a try! blog.sflow.com/2025/04/ai-met…
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Peter Phaal
Peter Phaal@sFlow·
The availability of the Cisco IOS XR Release 25.1.1 brings sFlow dropped packet notification support to Cisco 8000 series routers, making it easy to capture and analyze packets dropped at router ingress. blog.sflow.com/2025/04/droppe…
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Peter Phaal
Peter Phaal@sFlow·
The application provides performance metrics for AI/ML RoCEv2 network traffic, for example, large scale CUDA compute tasks using NVIDIA Collective Communication Library (NCCL) operations for inter-GPU communications. Step by step instructions. blog.sflow.com/2025/02/ai-met…
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Peter Phaal
Peter Phaal@sFlow·
It can be very useful to capture telemetry from production networks so that it can be replayed later to perform off-line analysis, or to develop or evaluate collection tools. sFlow tcpdump sflowtool Prometheus Grafana blog.sflow.com/2025/01/replay…
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Peter Phaal
Peter Phaal@sFlow·
Topology aware flow analytics with NVIDIA NetQ. Perform advanced fabric aware analytics, for example: detect flow collisions, trace flow paths, and de-duplicate traffic. blog.sflow.com/2024/11/topolo…
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