How can I set up reliable video streaming delivery to ensure my viewers experience consistent playback?

We ask the same underlying question in different ways.

• How can I set up reliable video streaming delivery to ensure my viewers experience consistent playback?
• How do I set up a video delivery pipeline that keeps playback stable and reliable for all my viewers?
• I need to make sure my video content streams reliably to viewers without buffering or playback issues. How do I set up that delivery infrastructure?