[ofiwg] completion flags as actually defined by OFI

Weiny, Ira ira.weiny at intel.com
Tue Apr 14 15:18:57 PDT 2015


> 
> > > "DDP Message transfer is considered completed when the reliable, in-
> > > order transport LLP has indicated that the transfer will occur
> > reliably."
> > >
> >
> > You skipped the important second half of that paragraph of RFC5041:
> >
> >    At the Data Source, DDP Message transfer is considered completed when
> >    the reliable, in-order transport LLP has indicated that the transfer
> >    will occur reliably.  Note that this in no way restricts the LLP from
> >    buffering the data at either the Data Source or Data Sink.  Thus, at
> >    the Data Source, completion of a DDP Message does not necessarily
> >    mean that the Data Sink has received the message.
> 
> I apparently have a very different interpretation than the iwarp spec writers of
> what it means to say "that the transfer will occur reliably".

I agree.

I don't understand how a Data Source can ever return the "transfer _will_ occur reliably"?

Ira




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