Which of the following components of the CloudFabric Intelligent Lossless Network Solution for Multi-Computing Scenarios needs to support lossless features such as AI ECN to improve network…

Question

Options

• AiMaster NCE-FabricInsight
• BRouter
• CData center switches
• DSmartNICs

• A
  12% (4)
• B
  6% (2)
• C
  79% (27)
• D
  3% (1)

Explanation

Data center switches are the network fabric layer responsible for forwarding traffic between servers, making them the correct place to implement lossless transport features like AI ECN (Explicit Congestion Notification) - they detect congestion early and signal senders to slow down before packet loss occurs, which is critical for RDMA-based AI training workloads.

Why the distractors are wrong:

• A (iMaster NCE-FabricInsight) is a network analytics and management platform - it monitors and orchestrates the network but does not forward packets, so it has no role in lossless transport mechanisms.
• B (Router) connects different networks (WAN/inter-DC) and operates at Layer 3; lossless Ethernet features like ECN and PFC are implemented within the data center fabric, not at the router edge.
• D (SmartNICs) handle RDMA offload on the host side (e.g., RoCE protocol), but the network-side lossless guarantee - congestion signaling across the fabric - must be enforced by the switches the traffic traverses.

Memory tip: Think of it as a highway analogy - SmartNICs are the on-ramps (host side), routers are the interstate connectors (inter-network), and NCE-FabricInsight is the traffic control center (visibility). Only the highway itself (data center switches) can enforce speed limits (ECN/PFC) to prevent pile-ups (packet loss) in the middle of the journey.

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