On Thu, Jun 29, 2017 at 12:34 PM, Paul Gilmartin <
[email protected]> wrote:

> On Thu, 29 Jun 2017 12:12:50 -0500, John McKown wrote:
>
> >On Thu, Jun 29, 2017 at 12:07 PM, Paul Gilmartin wrote:
> >
> >> Are entries in SYS1.BRODCAST timestamped so they could be aged out?
> >​No.​
> >
> >​This originated back is MVT days. MVT did not really have an API for
> >dynamic allocation. The data set was "fake opened" (i.e. code other than
> >OPEN found the DSN & extents, and built an "open" DCB and associated
> DEB.)​
> >The DCB was in common storage so that the SEND command could just write to
> >the DSN using it. Much like what CA-1 does with the TMC.
> >
> Seems like an integrity nightmare.
>

​It was designed long before IBM issued any of their security assurances.​
Also, I am saying that is how it was done WAY BACK WHEN. I don't know how
it is done now. I would __guess__ (SWAG), with individual TSO broadcast
data sets, that the SEND command now uses standard DYNALLOC / OPEN and so
on.


>
> It's past overdue to trade it for a dog, then shoot the dog.
>

​Dog has been upgraded to Cerberus quality.​



>
> >> UNIX facilities could be your friend here, even as UNIX batch jobs
> simply
> >> append their logs to the user's mbox.
>
> -- gil
>

-- 
Veni, Vidi, VISA: I came, I saw, I did a little shopping.

Maranatha! <><
John McKown

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