> -----Original Message-----
> From: The IBM z/VM Operating System 
> [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark
> Sent: Wednesday, July 23, 2008 3:07 PM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: Hipersocket Capacity
> 
> On Wednesday, 07/23/2008 at 02:59 EDT, Steve Mitchell 
> <[EMAIL PROTECTED]> wrote:
> > How does one go about  determining the 'capacity' of a Hipersocket
> > connection/interface between z/OS- z/VM?
> 
> Measure it.  It is a function of CPU.
> 
> I don't know if sub-cap machines run HiperSockets at full 
> speed or not.  I 
> doubt it.
> 
> Alan Altmark

Just some thoughts on this. From what I understand, a hipersocket is
really a way to "move" data from one memory location in one LPAR to
another memory location on another LPAR in the same CEC. Now, is that
"move" done by a CP? Or is it done by the SAP? If it is done by a CP,
then it is "knee-capped" if the CP is "knee-capped". If it is done by a
SAP, then it is not. I would hope that it is actually done by a SAP. But
that would mean that the speed could be influenced by how busy the SAP
is doing other things.

--
John McKown
Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology

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