In Chapter 1, Setting Up Networks, we looked into installing some rather special networks; now let's have a closer look at what one can do with networks in vCloud, but before we dive into the recipes, let's make sure we are all on the same page.
vCloud Director has three different network items. An External Network is basically a port group in vSphere that is imported into vCloud. An Organization Network is an isolated network that exists only in an organization. The same is true for vApp Networks, which exists only in vApps. Have a quick look at the Introduction section of Chapter 1, Setting Up Networks, for some more information about them. We have already seen the following diagram in Chapter 1, Setting Up Networks, but now we will discuss the content one by one, from left to right in more detail. In each example you will also see a diagram of the specific network: