Your system

What happens if one person steps back?

A network can look busy and well connected and still hang on one person. Load a network – the example, or your own – and remove people one at a time to see who holds it together.

Your prediction

The network

Ochre rings mark people whose departure alone would split the network. Choose a person with the arrow keys or a click; Enter or a second click removes them, and again restores them.

Single points of failure