Hi Sean,

On Wed, 13 Jan 2010 08:56:30 -0800
"Sean Hefty" <sean.he...@intel.com> wrote:

> >  This patch adds a new port space for use by Lustre traffic.
> >
> >  This, along with patches to OpenSM and Lustre, allow to define a
> >specific QoS for lustre.
> 
> In general, I don't like the idea of application port spaces for QoS
> support.  Can't this be done using port numbers in the existing port
> space?

  That can be done with port numbers, except that we cannot separate
traffic to Lustre MDS and traffic to Lustre OSS as can be done with
a target-port-guid.


> 
> >+    RDMA_PS_LUSTRE = 0x0153,
> 
> It looks like this number maps to the VINES protocol.

  Argh, haven't seen that. From what I understand, the low 8 bit are to
be taken from IANA IP protocol ID when bit 8 is 1, but what about when
bit 8 is 0 (as is the case with SDP and IPOIB)?

  Thanks,

  Sebastien.


> 
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