Discusses the requirements and establishment of a layered protocol architecture. Highlights the importance of cable media in getting a high-speed network. Covers the fundamental concepts and advanced topics such as metro ethernet, and ethernet first mile in the field of networking. Presents important topics such as multiprotocol label switching, cloud computing in networking, and the internet of things. Explores the necessity of software-defined networking and network functions virtualization.

"The road to success runs through somebody's eyes, it always need a vision to step ahead." The work presented in this book is a step for the vision of entering into a communication era with higher security. Quantum mechanics is the need of futuristic communication technology so that the basic principles of it govern the security measures. Though there are lots of bottlenecks there and we seek certain modification in the theories. But we can say it for sure that next generation is of Quantum communication.