IBM Systems Application Architecture: Difference between revisions

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SAA did not define new standards, but selected from among IBM's existing guidelines and software. IBM also purchased some third party software from developers such as [[Bachman Information Systems]], Index Technology, Inc., and [[KnowledgeWare|KnowledgeWare, Inc.]]<ref>{{cite news|title=IBM kauft sich für SAA Software-Know-how ein|url=http://www.computerwoche.de/heftarchiv/1989/35/1151816/|access-date=June 21, 2012|newspaper=Computerwoche|date=1989-08-25|archive-url=https://archive.today/20130210202313/http://www.computerwoche.de/heftarchiv/1989/35/1151816/|archive-date=2013-02-10|url-status=dead}}</ref> These were intended to be implemented uniformly across all SAA compliant environments.
 
The standard was "designed to make application programs look and work in the same manner across the entire range of the company's personal computing systems, midrange processors and System/370 processors."<ref>{{cite web|last=IBM Corporation|title=IBM Archives: 1987|date=23 January 2003|url=http://www-03.ibm.com/ibm/history/history/year_1987.html|archive-url=https://web.archive.org/web/20041216105801/http://www-03.ibm.com/ibm/history/history/year_1987.html|url-status=dead|archive-date=December 16, 2004}}</ref>
 
SAA was labeled "complex, obscure, and potentially difficult to learn."<ref name=Linnell>{{cite book|last=Linnell|first=Dennis|title=The SAA Handbook|year=1990|publisher=Addison-Wesley|isbn=0-201-51786-8|url=https://books.google.com/books?id=ZVkPAQAAMAAJ}}</ref>{{rp|p.xi}}
Under [[Louis V. Gerstner Jr.|Lou Gerstner]] IBM later quietly discontinued use of the "SAA" [[Umbrella term|umbrella]]. By 2001, SAA was being spoken of in the past tense.<ref>{{cite news|last=Cooper|first=Charles|title=Gerstner's legacy and why it matters|url=http://www.zdnetasia.com/gerstners-legacy-and-why-it-matters-38030327.htm|access-date=June 20, 2012|newspaper=ZDNet|date=November 2, 2001}}</ref> However many of the individual components of SAA arewere still in use {{as of|2014|lc=y}}.
 
==Common programming interface (CPI)==