The internet was originally a Department of Defense project designed to be resilient in the face of outages and service interruptions. This is because the internet is not reliable.

Yet, even they have serious https://thenewstack.io/6-scary-outage-stories-from-ctos/ or service interruptions (https://aws.amazon.com/premiumsupport/technology/pes/, https://status.cloud.google.com/summary and https://status.azure.com/status/history/ all list some of their major outages publicly).

For instance, when my home internet goes out, I can tether to cell data service (and vice versa).

Yes, there are trade-offs: Those proprietary cloud services will be harder or impossible to use without carefully designed abstraction layers.

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