Neil Schelly took some time to debunk some myths in Systems Configuration management:
We’ve recently made some big strides in implementing a more modern configuration management platform (CFEngine 3) to replace an internally developed system that wasn’t meeting our needs anymore.
Reading about the options out there inevitably leads you to see comparisons of many tools to fill this need. I found myself also learning about several myths regarding implementing configuration management.
They all apply also for Network Configuration Management. Network CM differs from Systems CM in that the first is more focused on configuration files and topology information.