RE: iSCSI: keys/parameter dependence

[Martins Krikis <mkrikis@yahoo.com>]

--- "Robert D. Russell" <rdr@io.iol.unh.edu> wrote:

> With a bit of work, we could probably get rid of all
> the dependencies
> between the OFMarkInt (IFMarkInt) and OFMarker
> (IFMarker) keys, perhaps,
> as suggested by Martins Krikis, by eliminating the
> OFMarker (IFMarker)
> key and substituting a default (and response) value
> of 0 for the
> OFMarkInt (IFMarkInt) to mean "no markers in that
> direction".
> 
> This would also eliminate the need for a "Reject"
> reply to an OFMarkInt
> (IFMarkInt) offer.

I just started thinking that the introduction of 0
might require the responder to "respond with a 
value (the 0) out of range" if it does not want
markers, and thus thought that this plan wasn't
very good. However, if 0 is the default and if
Reject returns us to the previous (in this case,
default) value, then this would actually work fine,
and eliminate the boolean marker keys. We cannot
get by without allowing Reject as a response to
range not acceptable or not admissible, however.

If we keep the boolean marker keys, is there any
chance of NOT having a Reject for a marker interval
reset the corresponding boolean key to "no"? Then
we wouldn't have a dependency there. Can we have
the Reset mean "stick with the previous (i.e.,
default in this case) value"?

Thanks,

Martins Krikis, Intel Corp.

Disclaimer: my opinions, not necessarily Intel's.


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