Hi Feroz,

> We are currently working on a setup involving SPDK NVMe-oF TCP on a DPU, and 
> we are exploring integration with VPP Host Stack on both the target and 
> initiator sides.
> We have a few questions and would appreciate any guidance:
> Did you integrate VPP/VCL directly into SPDK’s socket layer (e.g., via a 
> custom socket implementation), or did you use LD_PRELOAD with libvcl?

I suspect you might be referring to Jerome's experiments. If so you can find 
his modifications here: https://github.com/jtollet/spdk/tree/vcl-backend.
As far as I can tell it uses direct vppcom integration, not LD_PRELOAD.

Best
ben
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