InfiniBand Network Topology

s_x_g

Switched Fabric
* Point-to-point connections
This avoids arbitration issues, provides fault isolation, and allows scaling to large size by the use of switched networks.
* Channel (message) semantics
Commands and data are transferred between hosts and devices not as memory operations but as messages.

Fabric switched network components:
* Link and repeater
* HCA and TCA nodes
* Fabric switch
* Router
* Management infrastructure (SM)

Here are some topology examples:










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