Bryan O'Sullivan wrote:
We are not really in the RDMA camp. Our facility looks more like "when
this kind of message comes in, be sure that it shows up at this point in
my address space", which does not match RDMA semantics.
A lot of people mean QP-like semantics when they talk about "RDMA", rather than
the RDMA operation itself. I.e. pre-posted receive buffers associated with a
particular user-space process.
That aside, conceptually, I see little difference between RDMA semantics versus
the facility that you describe. The main difference is the complexity of the
header and the checks done against it.
- Sean
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