RE: iSCSI: draft 7: remove S bit and Status field from the Data-i

[Black_David@emc.com]

> > The slide I presented in London was about replacing
> > immediate data with an unsolicited data PDU immediately following the
> > command, thus removing the immediate data case in favor of reusing the
> > logic for dealing with separate Data PDUs.  Remember that this was
presented
> > as a simplification possibility.
> 
> This does help some. It eliminates the situation where a target can
receive
> an essentially unlimited number of immediate data commands prior to
receiving
> *any* data PDUs.
> 
> But, do you mean to say that *one* unsolicited data PDU would follow the
> command? Wouldn't that be unnecessarily restrictive if the PDU size is
small?
> Simply guaranteeing that the data PDUs will immediately follow the command
> seems like an adequate improvement.
> 
Dave is right - "an unsolicited data PDU" should have been "one or more
unsolicited data PDUs" - I was making the incorrect assumption that
immediate
data is always short (not necessarily the case, but perhaps common).

--David
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