In small networks, it is sometimes possible to have one administrator. This is usually the developer who creates and deploys a small project. As a result, this developer has all of the information about this project readily available in their head and, if anything goes wrong, will know precisely what to do.
I know quite a few developers and managers who talk about “bus theory” as a way to promote communication of critical knowledge. The central point is this: having only one person holding critical knowledge is dangerous because of what would happen if that person got run over by a bus. The term bus factor was coined to represent the number of people on your team who have to be hit by a bus before the project is in serious trouble.Read more