Earlier quoted context omitted.
People vastly underestimate how massive, complex and heterogenous the likes of Target, Home Depot, Walmart's stacks are. I've worked with people very used to working with enormously complex systems and even they say Walmart etc is on the higher end of that scale. We're talking weeks of people on site to get new software stood up. This isn't to diminish your point about the need for upgrades, but it's nothing like a p…
Shouldn't these stores standardize on vendors? Why would they use different vendors which only adds to complexity unless they've bought out a different store chain and are integrating existing systems? Also, they should pay the vendors contracts for maintenance instead of trying to do the upgrades themselves. The vendors are generally more likely to do the testing necessary and have the skills for upgrading systems a…
If you want your POS to talk to your marketing automation system, that's another integration and maybe another vendor who Oracle may or may not wish to support etc.
There's no way for a bank to standardize on vendors as it's back office systems might have been designed in the 1980s. If it wants to add an iPhone app or mobile payments, it has to rely on another vendor almost automatically.
Making these stacks work generates huge revenues for people like CA, Automic, IBM. Process automation is big business. Big meaty huge Fortune 500 companies held together with the software equivalent of sticky tape.