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SubjectRe: Integration of SCST in the mainstream Linux kernel
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 > Sorry, but I'm afraid you got this wrong. When the iSER transport is
> used instead of TCP, all data is sent via RDMA, including unsolicited
> data. If you have look at the iSER implementation in the Linux kernel
> (source files under drivers/infiniband/ulp/iser), you will see that
> all data is transferred via RDMA and not via TCP/IP.

I think the confusion here is caused by a slight misuse of the term
"RDMA". It is true that all data is always transported over an
InfiniBand connection when iSER is used, but not all such transfers
are one-sided RDMA operations; some data can be transferred using
send/receive operations.

- R.



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