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NVIDIA

NCA-AIIO · Question #33

When using an InfiniBand network for an AI infrastructure, which software component is necessary for the fabric to function?

The correct answer is C. OpenSM. OpenSM (Open Subnet Manager) is essential for InfiniBand networks, managing the fabric by discovering topology, configuring switches and host channel adapters (HCAs), and handling routing. Without it, the fabric cannot operate. Verbs is an API for RDMA, and MPI is a…

NVIDIA Infrastructure and Operations

Question

When using an InfiniBand network for an AI infrastructure, which software component is necessary for the fabric to function?

Options

  • AVerbs
  • BMPI
  • COpenSM

How the community answered

(31 responses)
  • A
    6% (2)
  • B
    3% (1)
  • C
    90% (28)

Explanation

OpenSM (Open Subnet Manager) is essential for InfiniBand networks, managing the fabric by discovering topology, configuring switches and host channel adapters (HCAs), and handling routing. Without it, the fabric cannot operate. Verbs is an API for RDMA, and MPI is a communication protocol, but OpenSM is the critical software component for functionality.

Topics

#InfiniBand#Networking#Fabric Management#Subnet Manager

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