[ofa-general] iSER header

[Ethan Burns]

On Tue, Jul 10, 2007 at 10:11:44AM +0300, Erez Zilber wrote:

[...]

> The iSER header issue was discussed in the open-iscsi list:
>
> http://groups.google.com/group/open-iscsi/browse_thread/thread/23ee18054e8412e6/fd4182f0b141c2da?lnk=gst&q=iSER%2FiWARP+Support+in+version+2.6.20&rnum=1#fd4182f0b141c2da
>
> For some reason, another answer given by Mike Ko does not appear in this
> thread. Here it is:
>
> For Infiniband, if both the initiator and the target support Zero-Based
> Virtual Address, then the iSER header as defined in the IETF draft will
> be used. (Zero-based Virtual Address is used in iWARP but optional to
> implement in Infiniband.) However, if either the initiator or the target
> in an Infiniband environment does not support Zero-Based Virtual
> Address, then the expanded iSER header as defined in the Infiniband
> annex is used. This expanded iSER header is only used in Infiniband.
> There is no intention to provide a link in the IETF draft since this is
> purely an Infiniband issue.

Ok, so this isn't somthing that I will need to worry a lot about if I am
planning on using iWARP?

> I hope this helps.

It does, thank you.

> BTW - do you plan to use the current iSER initiator
> code for iWARP?

Yes, we are working on an iSER-assisted initiator and target using this code
and the UNH iSCSI implementation.

Thanks again,
Ethan Burns