Re: iSCSI: multiple sessions b/n a pair of WWUIs.

[Santosh Rao <santoshr@cup.hp.com>]

Matt Wakeley wrote:
> 
> One clarification: these are unique between any I-T *pair*.
> (you make it sound like an initiator must have a unique ISID for all sessions
> with all targets)
> 

Matt,

While it is true that uniqueness is strictly required only b/n a given
I-T pair, using the ISID as a unique key for all the sessions an
initiator establishes allows the O.S. to use this session id as a port
identifier within the node space. This is a useful utilization of this
construct rather than inventing yet another unique token to represent
each target within the node name space for targets.

Regards,
Santosh



> -Matt
> 
> Santosh Rao wrote:
> >
> > Jim,
> >
> > Thanks for the clarification. Both the iSCSI and the name-disc drafts
> > need to explicitly state that ISID is uniquely assigned for all sessions
> > within a given initiator. Similarly, TSID is uniquely assigned for all
> > sessions within a given target.
> >
> > Regards,
> > Santosh
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