Spending lots of money on hardware support doesn't guarantee it won't fail, or even that you will get replacements fast, it just guarantees that a contract exis

Spending lots of money on hardware support doesn't guarantee it won't fail, or even that you will get replacements fast, it just guarantees that a contract exists saying something. As an architect we should engineer our solutions to cater for hardware failure. I call this sort of thing a technical guarantee rather than a commercial guarantee