Re: Scalability (both vertical and horizontal)?

scott(dot)marlowe(at)ihs(dot)com ("scott.marlowe") writes:
> TPF on a mainframe is highly recommended by Sabre, the Airline
> reservation folks.

Sure, but they have 17 mainframes in the "bunker" in Tulsa. And that
seems more reflective of having Really Really Really Big Iron (the big
boxes are BIG BOXES) than of it scaling across a bunch of cheaper
hardware. Parts of that are multihosting applications; quite a number
of those MFs are probably devoted to running the information systems
for AMR.

(I used to do work on some of the AMR-oriented MFs; mostly indirectly,
from the Unix side...)

Furthermore, a vast number of the projects since STIN was initially
created at Sabre have been directed at replacing it. None have been
notably successful. It looks a whole lot more like vertical scaling
("the biggest box with the mostest spindles and the mostest terminal
interfaces") than anything else...
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Christopher Browne
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