-----Original Message----- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Chase, John Sent: Monday, December 21, 2009 2:39 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Union Pacific Railroad ditches its mainframe for SOA
> -----Original Message----- > From: IBM Mainframe Discussion List On Behalf Of Roach, Dennis (N-GHG) > > Cross posted due to the UP system being in assembler. > > http://www.computerworld.com/s/article/344916/Railroad_Crossing_When_Mai nframe_Meets_SOA?source=CTWNLE > _nlt_thisweek_2009-12-21 "The old system wouldn't have been able to handle that change" is utter bull$h1t. More believable (and probably more correct) might have been something like "The cost in both time and money to implement that change in the old system would have been prohibitive." <SNIP> Some lessons learned by one group seem to be completely lost on another. The cost to do a line for line conversion from one system to another is quite high. The cost to do a function for function conversion from one system to another is much more manageable. Then there is the developing a system from scratch on new architecture (including BCP and testing, throughput, etc.)... There's bleeding edge and then there is bleeding edge. Regards, Steve Thompson -- Opinions expressed by this poster may not reflect those held by poster's employer -- ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
