Before we can move on to configuring networking in macOS, it's a good idea to review some fundamental concepts to understand what lies beneath the surface of the options available. More specifically, we will see a general overview of the networking models, in addition to some concepts that all system administrators should be familiar with.
The topics we will cover in this section are as follows:
- Networking models
- Fundamental networking concepts
Let's begin this overview with the very early developments in networking – the emergence of networking models.
Networking models
A networking model, sometimes also known as a networking architecture or blueprint, is a comprehensive set of documents that describe in detail each function, small and general, required for a network. Collectively, these documents define everything that should happen in order for a computer network to work (Cisco certification guide: http://www.ciscopress.com/articles...