Subject: RE: [rddp] Marker Interval

From: Michael Krause <[email-masked]>
Date: Wed, 05 Mar 2003 15:32:28 -0800

At 11:37 AM 2/24/2003 -0800, Larsen, Roy K wrote:
> > -----Original Message-----
> > From: Michael Krause [mailto:[email-masked]]
> >
> > At 09:42 AM 2/24/2003 -0800, Somesh Gupta wrote:
> > >The discussion is related to existing software stacks and
> > >interfaces. For storage protocols (as is for iSCSI), this
> > >forms the first wave of client side implementations.
> >
> > Again this is a function of implementation and a well-layered
> > implementation can be delivered without requiring any network stack
> > modifications if desired.  Same applies to software based
> > iSCSI which has
> > been demonstrated by multiple vendors without network stack
> > modifications.  Some of these implementations now deliver sufficient
> > performance that current customers using them are not raising
> > any major
> > objections.  Given this can be done with iSCSI and markers
> > are clearly less
> > complex to implement / support in software than iSCSI, one
> > might argue that
> > the complexity / cost issues are not as high as some assert.
>
>Mike,
>
>Marker use in iSCSI is a negotiated option.  Do you know if these successful
>software iSCSI implementations are running with markers enabled?

We have implemented it (was not that complex for our initiator) but have 
not tested it with a target as yet.

Mike

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