In this chapter, you were not only presented with information about a number of virtualization concepts, such as NFV, SDN, VNF, and so on, but also a number of open source components that contribute to everyday virtualization solutions. I offered you examples and even a small exercise to make sure that the information remains with you even after reading this book. I hope I made some of you curious about certain things. I also hope that some of you documented on projects that were not presented here, such as the OpenDaylight (ODL) initiative, that has only been mentioned in an image as an implementation suggestion. If this is the case, I can say I fulfilled my goal. If not, maybe this summary will make you go through the previous pages again.

In the next chapter, we will visit a new and real carrier graded one. It will be the last chapter of this book and I will conclude it with a topic that is very important to me personally. I will discuss the Yocto shy initiative called meta-cgl...