I can say that "stock" netperf has no _single-connection_ bidirectional tests,
As I think more about it, that statement of mine is slightly incorrect. If one configures netperf2 with --enable-burst, and are careful about the product of the burst size and request/response sizes wrt the size of SO_SNDBUF I suspect one can make a TCP_RR test look rather like a single-connection, bidirectional test.
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