In a message dated 8/26/2005 7:08:06 P.M. Central Daylight Time,  
[EMAIL PROTECTED] writes:

>
Jim Garner (IBM SE) did an orange book 20+ years ago on a  similar vein.
(this was still 165 and 155 days). My memory is dim but I  think he had 
similar findings.
...

165/155 -- what are  those?

Ed, you're losing it.
20 years ago was XA.
I started with  a 3033, 24 years ago.


 
 
Just because technology/processor X was the latest and greatest 20 years  ago 
does not mean that there were not many shops still using X-2 at that  time.  
I worked with a 3033/MVS in early 1978.  Then a few months  later worked with 
the U.S. government's trailing edge equipment -- S/360  models 40, 50, 65, et 
al., mostly running MVT (one even MFT) with 2314.   And that was with the FAA, 
whose "modern" equipment was keeping commercial  jets from bumping into each 
other in the air.  Been there, worked with it  then.  Got the fun scars.  

Then saw XA climb up out of the primordial ooze in 1983.
 
I recommended reading Merrill's 21-year-old paper not because of its  
technical currency but because of its methodology and continually asking the  
question "is there yet one more variable I can tweek?  And if so will it  make 
things 
"better" or "worse", and for whom?"  These questions are  timeless in their 
application.
 
Bill Fairchild

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