General description
•	To Define and explain the concept of routing in computer networks.
•	To Identify the work of routers and their importance in the network.
•	To Explain the types of routing within the domain and its most important protocols.
•	To Explain the types of out-of-band routing and its most important protocols.
•	To Describe the issue of network congestion and the control mechanisms used.
•	To Identify the quality of services and the most important models used.