CHAPTER 13 Routing and Peering
What You Will Learn
In this chapter, you will learn about how routing differs from switching, the other network layer technology. We’ll compare connectionless and connection-oriented networking characteristics and see how quality of service (QOS) can be supported on both.
You will learn what a routing protocol is and what they do. We’ll investigate the differences between interior and exterior routing protocols as the terms apply to an ISP. We’ll also talk about routing policies and the role they play on the modern Internet.
In Chapter 9, we introduced the concept of forwarding packets hop by hop across a network of interconnected routers and LANs. This process is loosely called “routing,” and that chapter comprised ...