On Tue, 19 Apr 2016 09:55:33 -0500 John McKown <[email protected]>
wrote:

:>On Tue, Apr 19, 2016 at 9:49 AM, Gary Weinhold <[email protected]> wrote:
:>
:>> NT services have a very short path length compared to most alternatives,
:>> but are not as fast as a CVT or ECVT based anchor. However, if the data is
:>> address-space or TCB related, rather than lpar-based, I wouldn't think CVT
:>> or ECVT based anchors would work well.  There are unsupported techniques to
:>> access NT data more efficiently.
:>>
:>
:>?<shudder/> I remember the days of products fighting over use of the
:>CVTUSER and TCBUSER fields. Name/Token is much better. And is GUPI ?as
:>well. I would hate for a vendor (Scott works for one) to use these. What I
:>have done in the past, is to dynamically create a subsystem; which creates
:>an SSVT. I can then use that area for my own stuff. But finding the SSVT
:>from a "random" address space would probably cost as much, if not more,
:>than using a Name/Token.

Vendors request a word in the vendor area. That points to their stuff. SSCT
lookup is quite slow as well.

--
Binyamin Dissen <[email protected]>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


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