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  • Friendly reminder that Tiers and Layers have different definitions: stackoverflow.com/questions/120438/… Commented May 8 at 19:47
  • @AdrianK Friendly reminder that virtualization exists. So if you care about tiers you have to tell me why. Because you want to force logical separation or you have some actual deployment need to not co-locate. Commented May 8 at 20:22
  • How anyone chooses to deploy something, or the fact that virtualization exists, does not take away from the fact that the terms Layer and Tier refer to different things. Commented May 9 at 1:10
  • @AdrianK and modules are different things. But they’re not that different. Commented May 9 at 9:04