Introduction to ECN and PFC in Data Center Fabric
In the dynamic realm of data center operations, especially those focused on training large and distributed AI models, network congestion can significantly impact efficiency and performance. Understanding the role of Explicit Congestion Notification (ECN) and Priority Flow Control (PFC) is crucial in this context. These two mechanisms work in tandem to manage congestion in data center fabrics, ensuring smooth data flow and optimal network utilization. Let’s start with some basic introduction for those not sufficiently familiar.
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