NOTE: We will be covering a lot of new material in this section. The aim is to provide a firm practical and theoretical understanding of How the Internet is connected together and how information is passed around on the Internet. There is a lot of material to absorb here. Much of it will become clearer when further aspects have been explored later in the course. Just try to keep a broad awareness of the many issues raised early on your assimilation of this section.
The main learning objectives of this section may be summarised as: The Internet is a Network of Networks. Thus in order to gain an understanding of the Internet we need to define: