and SLAs. once you get big enough your client contracts usually have penalties for failures of any kind. that puts the pressure on getting it right on the first try or at least within contract terms, instead of working toward the goal incrementally.
partners that allow for some agile, iterative back and forth becomes rarer as they increase in size, especially since often their own system lack the flexibility for continuous integration or safely rolling back changes/data.
that's why you get requirements, specifications, architects and solution managers in the enterprises. people love to mock them for being dysfunctional and some truly are, but once contracts get into the millions and lawyer get involved mistakes are no longer "learning opportunities".
partners that allow for some agile, iterative back and forth becomes rarer as they increase in size, especially since often their own system lack the flexibility for continuous integration or safely rolling back changes/data.
that's why you get requirements, specifications, architects and solution managers in the enterprises. people love to mock them for being dysfunctional and some truly are, but once contracts get into the millions and lawyer get involved mistakes are no longer "learning opportunities".